Biocompatible materials placed into (endosseous) or onto (subperiosteal) the jawbone to support a crown, bridge, or artificial tooth, or to stabilize a diseased tooth.
Insertion of an implant into the bone of the mandible or maxilla. The implant has an exposed head which protrudes through the mucosa and is a prosthodontic abutment.
The grafting or inserting of a prosthetic device of alloplastic material into the oral tissue beneath the mucosal or periosteal layer or within the bone. Its purpose is to provide support and retention to a partial or complete denture.
Devices, usually alloplastic, surgically inserted into or onto the jawbone, which support a single prosthetic tooth and serve either as abutments or as cosmetic replacements for missing teeth.
The plan and delineation of dental prostheses in general or a specific dental prosthesis. It does not include DENTURE DESIGN. The framework usually consists of metal.
A prosthesis that gains its support, stability, and retention from a substructure that is implanted under the soft tissues of the basal seat of the device and is in contact with bone. (From Boucher's Clinical Dental Terminology, 4th ed)
The growth action of bone tissue as it assimilates surgically implanted devices or prostheses to be used as either replacement parts (e.g., hip) or as anchors (e.g., endosseous dental implants).
The total of dental diagnostic, preventive, and restorative services provided to meet the needs of a patient (from Illustrated Dictionary of Dentistry, 1982).
Inability or inadequacy of a dental restoration or prosthesis to perform as expected.
Endosseous dental implantation where implants are fitted with an abutment or where an implant with a transmucosal coronal portion is used immediately (within 1 week) after the initial extraction. Conventionally, the implantation is performed in two stages with more than two months in between the stages.
Natural teeth or teeth roots used as anchorage for a fixed or removable denture or other prosthesis (such as an implant) serving the same purpose.
A dark-gray, metallic element of widespread distribution but occurring in small amounts; atomic number, 22; atomic weight, 47.90; symbol, Ti; specific gravity, 4.5; used for fixation of fractures. (Dorland, 28th ed)
Preprosthetic surgery involving rib, cartilage, or iliac crest bone grafts, usually autologous, or synthetic implants for rebuilding the alveolar ridge.
An inflammatory process with loss of supporting bone in the tissues surrounding functioning DENTAL IMPLANTS.
The total absence of teeth from either the mandible or the maxilla, but not both. Total absence of teeth from both is MOUTH, EDENTULOUS. Partial absence of teeth in either is JAW, EDENTULOUS, PARTIALLY.
Artificial substitutes for body parts, and materials inserted into tissue for functional, cosmetic, or therapeutic purposes. Prostheses can be functional, as in the case of artificial arms and legs, or cosmetic, as in the case of an artificial eye. Implants, all surgically inserted or grafted into the body, tend to be used therapeutically. IMPLANTS, EXPERIMENTAL is available for those used experimentally.
Use for articles concerning dental education in general.
Small containers or pellets of a solid drug implanted in the body to achieve sustained release of the drug.
Educational institutions for individuals specializing in the field of dentistry.
Radiographic techniques used in dentistry.
Holding a DENTAL PROSTHESIS in place by its design, or by the use of additional devices or adhesives.
Individuals enrolled a school of dentistry or a formal educational program in leading to a degree in dentistry.
Absence of teeth from a portion of the mandible and/or maxilla.
Surgery necessary for a denture to rest on a firm base, free from marked osseous protuberances or undercuts, and devoid of interfering muscle attachments, excess mucoperiosteum, hyperplasias, and fibrous or papillary growths.
Removable prosthesis constructed over natural teeth or implanted studs.
Localized destruction of the tooth surface initiated by decalcification of the enamel followed by enzymatic lysis of organic structures and leading to cavity formation. If left unchecked, the cavity may penetrate the enamel and dentin and reach the pulp.
The plan and delineation of DENTAL IMPLANT fitting with DENTAL ABUTMENT.
The largest and strongest bone of the FACE constituting the lower jaw. It supports the lower teeth.
Materials used in the production of dental bases, restorations, impressions, prostheses, etc.
A complete denture replacing all the natural mandibular teeth and associated structures. It is completely supported by the oral tissue and underlying mandibular bone.
Resorption or wasting of the tooth-supporting bone (ALVEOLAR PROCESS) in the MAXILLA or MANDIBLE.
A partial denture attached to prepared natural teeth, roots, or implants by cementation.
Dental care for patients with chronic diseases. These diseases include chronic cardiovascular, endocrinologic, hematologic, immunologic, neoplastic, and renal diseases. The concept does not include dental care for the mentally or physically disabled which is DENTAL CARE FOR DISABLED.
The air space located in the body of the MAXILLARY BONE near each cheek. Each maxillary sinus communicates with the middle passage (meatus) of the NASAL CAVITY on the same side.
The thickest and spongiest part of the maxilla and mandible hollowed out into deep cavities for the teeth.
Facilities where dental care is provided to patients.
The giving of attention to the special dental needs of children, including the prevention of tooth diseases and instruction in dental hygiene and dental health. The dental care may include the services provided by dental specialists.
Artificial substitutes for body parts and materials inserted into organisms during experimental studies.
Implants used to reconstruct and/or cosmetically enhance the female breast. They have an outer shell or envelope of silicone elastomer and are filled with either saline or silicone gel. The outer shell may be either smooth or textured.
A richly vascularized and innervated connective tissue of mesodermal origin, contained in the central cavity of a tooth and delimited by the dentin, and having formative, nutritive, sensory, and protective functions. (Jablonski, Dictionary of Dentistry, 1992)
Persons trained in an accredited school or dental college and licensed by the state in which they reside to provide dental prophylaxis under the direction of a licensed dentist.
A hollow part of the alveolar process of the MAXILLA or MANDIBLE where each tooth fits and is attached via the periodontal ligament.
Surgical procedures used to treat disease, injuries, and defects of the oral and maxillofacial region.
The application of dental knowledge to questions of law.
The teaching staff and members of the administrative staff having academic rank in a dental school.
A mixture of metallic elements or compounds with other metallic or metalloid elements in varying proportions for use in restorative or prosthetic dentistry.
Presentation devices used for patient education and technique training in dentistry.
A rapid, low-dose, digital imaging system using a small intraoral sensor instead of radiographic film, an intensifying screen, and a charge-coupled device. It presents the possibility of reduced patient exposure and minimal distortion, although resolution and latitude are inferior to standard dental radiography. A receiver is placed in the mouth, routing signals to a computer which images the signals on a screen or in print. It includes digitizing from x-ray film or any other detector. (From MEDLINE abstracts; personal communication from Dr. Charles Berthold, NIDR)
Characteristics or attributes of the outer boundaries of objects, including molecules.
Reducing a dead body to ashes by burning or incineration.
Dental care for the emotionally, mentally, or physically disabled patient. It does not include dental care for the chronically ill ( = DENTAL CARE FOR CHRONICALLY ILL).
One of a pair of irregularly shaped bones that form the upper jaw. A maxillary bone provides tooth sockets for the superior teeth, forms part of the ORBIT, and contains the MAXILLARY SINUS.
Guided BONE TRANSPLANTATION of the MAXILLARY SINUS surface with a BONE SUBSTITUTE grafting. It increases the bone volume at the site of the DENTAL IMPLANT and helps stabilize it.
Zirconium. A rather rare metallic element, atomic number 40, atomic weight 91.22, symbol Zr. (From Dorland, 28th ed)
Abnormal fear or dread of visiting the dentist for preventive care or therapy and unwarranted anxiety over dental procedures.
Scientific study of human skeletal remains with the express purpose of identification. This includes establishing individual identity, trauma analysis, facial reconstruction, photographic superimposition, determination of time interval since death, and crime-scene recovery. Forensic anthropologists do not certify cause of death but provide data to assist in determination of probable cause. This is a branch of the field of physical anthropology and qualified individuals are certified by the American Board of Forensic Anthropology. (From Am J Forensic Med Pathol 1992 Jun;13(2):146)
Usually a written medical and nursing care program designed for a particular patient.
Insurance providing coverage for dental care.
Personnel whose work is prescribed and supervised by the dentist.
Services designed to promote, maintain, or restore dental health.
A prosthetic restoration that reproduces the entire surface anatomy of the visible natural crown of a tooth. It may be partial (covering three or more surfaces of a tooth) or complete (covering all surfaces). It is made of gold or other metal, porcelain, or resin.
The curve formed by the row of TEETH in their normal position in the JAW. The inferior dental arch is formed by the mandibular teeth, and the superior dental arch by the maxillary teeth.
The study of laws, theories, and hypotheses through a systematic examination of pertinent facts and their interpretation in the field of dentistry. (From Jablonski, Illustrated Dictionary of Dentistry, 1982, p674)
The giving of attention to the special dental needs of the elderly for proper maintenance or treatment. The dental care may include the services provided by dental specialists.
A film that attaches to teeth, often causing DENTAL CARIES and GINGIVITIS. It is composed of MUCINS, secreted from salivary glands, and microorganisms.
The failure to retain teeth as a result of disease or injury.
Examination of the mouth and teeth toward the identification and diagnosis of intraoral disease or manifestation of non-oral conditions.
Rounded objects made of coral, teflon, or alloplastic polymer and covered with sclera, and which are implanted in the orbit following enucleation. An artificial eye (EYE, ARTIFICIAL) is usually attached to the anterior of the orbital implant for cosmetic purposes.
A denture replacing one or more (but not all) natural teeth. It is supported and retained by underlying tissue and some or all of the remaining teeth.
'Jaw diseases' is a broad term referring to various medical conditions affecting the temporomandibular joint, jawbones, or the surrounding muscles, including but not limited to dental disorders, jaw fractures, tumors, infections, and developmental abnormalities.
The room or rooms in which the dentist and dental staff provide care. Offices include all rooms in the dentist's office suite.
Data collected during dental examination for the purpose of study, diagnosis, or treatment planning.
Total lack of teeth through disease or extraction.
Personnel who provide dental service to patients in an organized facility, institution or agency.
The description and measurement of the various factors that produce physical stress upon dental restorations, prostheses, or appliances, materials associated with them, or the natural oral structures.
The closeness of a determined value of a physical dimension to the actual value.
The nonexpendable items used by the dentist or dental staff in the performance of professional duties. (From Boucher's Clinical Dental Terminology, 4th ed, p106)
Nonspecialized dental practice which is concerned with providing primary and continuing dental care.
'Catalogs, Commercial' in a medical context typically refers to printed or online publications that detail a range of products offered by a commercial supplier, often including medical supplies, equipment, and devices, intended for use in healthcare settings or by healthcare professionals.
The testing of materials and devices, especially those used for PROSTHESES AND IMPLANTS; SUTURES; TISSUE ADHESIVES; etc., for hardness, strength, durability, safety, efficacy, and biocompatibility.
An alloy used in restorative dentistry that contains mercury, silver, tin, copper, and possibly zinc.
Extraoral body-section radiography depicting an entire maxilla, or both maxilla and mandible, on a single film.
The retention of a denture in place by design, device, or adhesion.
The grafting of bone from a donor site to a recipient site.
Renewal or repair of lost bone tissue. It excludes BONY CALLUS formed after BONE FRACTURES but not yet replaced by hard bone.
Computed tomography modalities which use a cone or pyramid-shaped beam of radiation.
Hydrofluoric acid. A solution of hydrogen fluoride in water. It is a colorless fuming liquid which can cause painful burns.
Individuals who assist the dentist or the dental hygienist.
Bony structure of the mouth that holds the teeth. It consists of the MANDIBLE and the MAXILLA.
Educational programs designed to inform dentists of recent advances in their fields.
A partial denture designed and constructed to be removed readily from the mouth.
A complete denture replacing all the natural maxillary teeth and associated maxillary structures. It is completely supported by the oral tissue and underlying maxillary bone.
A range of methods used to reduce pain and anxiety during dental procedures.
Synthetic or natural materials, other than DRUGS, that are used to replace or repair any body TISSUES or bodily function.
The most posterior teeth on either side of the jaw, totaling eight in the deciduous dentition (2 on each side, upper and lower), and usually 12 in the permanent dentition (three on each side, upper and lower). They are grinding teeth, having large crowns and broad chewing surfaces. (Jablonski, Dictionary of Dentistry, 1992, p821)
Bone lengthening by gradual mechanical distraction. An external fixation device produces the distraction across the bone plate. The technique was originally applied to long bones but in recent years the method has been adapted for use with mandibular implants in maxillofacial surgery.
The fusion of ceramics (porcelain) to an alloy of two or more metals for use in restorative and prosthodontic dentistry. Examples of metal alloys employed include cobalt-chromium, gold-palladium, gold-platinum-palladium, and nickel-based alloys.
A mass of tissue that has been cut away from its surrounding areas to be used in TISSUE TRANSPLANTATION.
A branch of the trigeminal (5th cranial) nerve. The mandibular nerve carries motor fibers to the muscles of mastication and sensory fibers to the teeth and gingivae, the face in the region of the mandible, and parts of the dura.
Biocompatible materials usually used in dental and bone implants that enhance biologic fixation, thereby increasing the bond strength between the coated material and bone, and minimize possible biological effects that may result from the implant itself.
Any of the eight frontal teeth (four maxillary and four mandibular) having a sharp incisal edge for cutting food and a single root, which occurs in man both as a deciduous and a permanent tooth. (Jablonski, Dictionary of Dentistry, 1992, p820)
Synthetic or natural materials for the replacement of bones or bone tissue. They include hard tissue replacement polymers, natural coral, hydroxyapatite, beta-tricalcium phosphate, and various other biomaterials. The bone substitutes as inert materials can be incorporated into surrounding tissue or gradually replaced by original tissue.
The surgical removal of a tooth. (Dorland, 28th ed)
Educational programs for dental graduates entering a specialty. They include formal specialty training as well as academic work in the clinical and basic dental sciences, and may lead to board certification or an advanced dental degree.
A treatment modality in endodontics concerned with the therapy of diseases of the dental pulp. For preparatory procedures, ROOT CANAL PREPARATION is available.
The field of dentistry involved in procedures for designing and constructing dental appliances. It includes also the application of any technology to the field of dentistry.
The principles of proper professional conduct concerning the rights and duties of the dentist, relations with patients and fellow practitioners, as well as actions of the dentist in patient care and interpersonal relations with patient families. (From Stedman, 25th ed)
Implants constructed of materials designed to be absorbed by the body without producing an immune response. They are usually composed of plastics and are frequently used in orthopedics and orthodontics.
Hospital department providing dental care.
Individuals licensed to practice DENTISTRY.
The mineral component of bones and teeth; it has been used therapeutically as a prosthetic aid and in the prevention and treatment of osteoporosis.
Societies whose membership is limited to dentists.
A systematic collection of factual data pertaining to dental or oral health and disease in a human population within a given geographic area.
A computer based method of simulating or analyzing the behavior of structures or components.
A chronic endemic form of hypoplasia of the dental enamel caused by drinking water with a high fluorine content during the time of tooth formation, and characterized by defective calcification that gives a white chalky appearance to the enamel, which gradually undergoes brown discoloration. (Jablonski's Dictionary of Dentistry, 1992, p286)
Facilities for the performance of services related to dental treatment but not done directly in the patient's mouth.
The bone of the lower leg lateral to and smaller than the tibia. In proportion to its length, it is the most slender of the long bones.
The granting of a license to practice dentistry.
Any system of defining ownership of dentures or dental prostheses.
The part of a tooth from the neck to the apex, embedded in the alveolar process and covered with cementum. A root may be single or divided into several branches, usually identified by their relative position, e.g., lingual root or buccal root. Single-rooted teeth include mandibular first and second premolars and the maxillary second premolar teeth. The maxillary first premolar has two roots in most cases. Maxillary molars have three roots. (Jablonski, Dictionary of Dentistry, 1992, p690)
Nitric acid (HNO3). A colorless liquid that is used in the manufacture of inorganic and organic nitrates and nitro compounds for fertilizers, dye intermediates, explosives, and many different organic chemicals. Continued exposure to vapor may cause chronic bronchitis; chemical pneumonitis may occur. (From Merck Index, 11th ed)
Various branches of dental practice limited to specialized areas.
Amounts charged to the patient as payer for dental services.
Surgical insertion of an electronic hearing device (COCHLEAR IMPLANTS) with electrodes to the COCHLEAR NERVE in the inner ear to create sound sensation in patients with residual nerve fibers.
Laws and regulations pertaining to devices used in medicine, proposed for enactment, or enacted by a legislative body.
Individuals responsible for fabrication of dental appliances.
Pathological processes involving the PERIODONTIUM including the gum (GINGIVA), the alveolar bone (ALVEOLAR PROCESS), the DENTAL CEMENTUM, and the PERIODONTAL LIGAMENT.
The organization and operation of the business aspects of a dental practice.
The gradual destruction of a metal or alloy due to oxidation or action of a chemical agent. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
Dense fibrous layer formed from mesodermal tissue that surrounds the epithelial enamel organ. The cells eventually migrate to the external surface of the newly formed root dentin and give rise to the cementoblasts that deposit cementum on the developing root, fibroblasts of the developing periodontal ligament, and osteoblasts of the developing alveolar bone.
The facial skeleton, consisting of bones situated between the cranial base and the mandibular region. While some consider the facial bones to comprise the hyoid (HYOID BONE), palatine (HARD PALATE), and zygomatic (ZYGOMA) bones, MANDIBLE, and MAXILLA, others include also the lacrimal and nasal bones, inferior nasal concha, and vomer but exclude the hyoid bone. (Jablonski, Dictionary of Dentistry, 1992, p113)
Microscopy in which the object is examined directly by an electron beam scanning the specimen point-by-point. The image is constructed by detecting the products of specimen interactions that are projected above the plane of the sample, such as backscattered electrons. Although SCANNING TRANSMISSION ELECTRON MICROSCOPY also scans the specimen point by point with the electron beam, the image is constructed by detecting the electrons, or their interaction products that are transmitted through the sample plane, so that is a form of TRANSMISSION ELECTRON MICROSCOPY.
Skills, techniques, standards, and principles used to improve the art and symmetry of the teeth and face to improve the appearance as well as the function of the teeth, mouth, and face. (From Boucher's Clinical Dental Terminology, 4th ed, p108)
Tongues of skin and subcutaneous tissue, sometimes including muscle, cut away from the underlying parts but often still attached at one end. They retain their own microvasculature which is also transferred to the new site. They are often used in plastic surgery for filling a defect in a neighboring region.
X-RAY COMPUTERIZED TOMOGRAPHY with resolution in the micrometer range.
The profession concerned with the teeth, oral cavity, and associated structures, and the diagnosis and treatment of their diseases including prevention and the restoration of defective and missing tissue.
Oral tissue surrounding and attached to TEETH.
Procedures used to reconstruct, restore, or improve defective, damaged, or missing structures.
The process of bone formation. Histogenesis of bone including ossification.
Freedom of equipment from actual or potential hazards.
Providing for the full range of dental health services for diagnosis, treatment, follow-up, and rehabilitation of patients.
One of a set of bone-like structures in the mouth used for biting and chewing.
The psychological relations between the dentist and patient.
An artificial replacement for one or more natural teeth or part of a tooth, or associated structures, ranging from a portion of a tooth to a complete denture. The dental prosthesis is used for cosmetic or functional reasons, or both. DENTURES and specific types of dentures are also available. (From Boucher's Clinical Dental Terminology, 4th ed, p244 & Jablonski, Dictionary of Dentistry, 1992, p643)
Education which increases the awareness and favorably influences the attitudes and knowledge relating to the improvement of dental health on a personal or community basis.
Preparation of TOOTH surfaces and DENTAL MATERIALS with etching agents, usually phosphoric acid, to roughen the surface to increase adhesion or osteointegration.
A tooth from which the dental pulp has been removed or is necrotic. (Boucher, Clinical Dental Terminology, 4th ed)
The rotational force about an axis that is equal to the product of a force times the distance from the axis where the force is applied.
Efforts to prevent and control the spread of infections within dental health facilities or those involving provision of dental care.
Mesodermal tissue enclosed in the invaginated portion of the epithelial enamel organ and giving rise to the dentin and pulp.
A general term for the complete loss of the ability to hear from both ears.
Techniques for enhancing and directing cell growth to repopulate specific parts of the PERIODONTIUM that have been damaged by PERIODONTAL DISEASES; TOOTH DISEASES; or TRAUMA, or to correct TOOTH ABNORMALITIES. Repopulation and repair is achieved by guiding the progenitor cells to reproduce in the desired location by blocking contact with surrounding tissue by use of membranes composed of synthetic or natural material that may include growth inducing factors as well.
The optimal state of the mouth and normal functioning of the organs of the mouth without evidence of disease.
Hand-held tools or implements especially used by dental professionals for the performance of clinical tasks.
'Tooth diseases' is a broad term referring to various conditions affecting the teeth, including dental caries (cavities), periodontal disease (gum disease), tooth wear, tooth sensitivity, oral cancer, and developmental anomalies, which can result in pain, discomfort, or loss of teeth if left untreated.
A detailed review and evaluation of selected clinical records by qualified professional personnel for evaluating quality of dental care.
The process of generating three-dimensional images by electronic, photographic, or other methods. For example, three-dimensional images can be generated by assembling multiple tomographic images with the aid of a computer, while photographic 3-D images (HOLOGRAPHY) can be made by exposing film to the interference pattern created when two laser light sources shine on an object.
Any waste product generated by a dental office, surgery, clinic, or laboratory including amalgams, saliva, and rinse water.

Palatal bone support for orthodontic implant anchorage--a clinical and radiological study. (1/467)

When maximal anchorage is required during orthodontic treatment, additional aids are often needed to support the anchoring teeth. While intra-oral aids may be limited in their anchorage potential, extra-oral anchoring aids are often rejected by the patients. Endosseous implants may therefore be a valuable alternative for stable intra-oral anchorage. However, the possibility of using conventional implants is insufficient, e.g. for treating purely orthodontic patients with full dentition or where extraction sites are to be closed. Therefore, the mid-sagittal area of the palate is an alternative insertion site for the placement of implants for orthodontic anchorage. The limited bone height in this area inspired this comparison between bone thickness in the implantation site as verified by probing during the implantation of Straumann Ortho-system implants, and thickness as measured on the lateral cephalogram. The results suggest that vertical bone support is at least 2 mm higher than apparent on the cephalogram. In none of 12 patients was a perforation to the nasal cavity found. However, in five subjects the implant projected into the nasal cavity on the post-operative cephalogram. These results were supported by the study of the projections of palate and wires in wire-marked skulls where the wires were placed bilaterally on the nasal floor and on the nasal crest. It is therefore concluded that the mid-sagittal area of the palate lends sufficient bony support for the implantation of small implants (4-6 mm endosseous length, diameter 3.3 mm).  (+info)

Bone response to orthodontic loading of endosseous implants in the rabbit calvaria: early continuous distalizing forces. (2/467)

The purpose of this experimental study was to evaluate the effect of early orthodontic loading on the stability and bone-implant interface of titanium implants in a rabbit model. Twenty-four short threaded titanium fixtures were inserted in the calvarial mid-sagittal suture of 10 rabbits. Two weeks following insertion, 20 implants (test group) were subjected to continuous distalization forces of 150 g for a period of 8 weeks. The remaining four implants (control group) were left unloaded for the same follow-up interval. Clinically, all implants except for one test fixture were stable, and exhibited no mobility or displacement throughout the experimental loading period. Histologically, all stable implants were well-integrated into bone. No differences could be found between the pressure and tension surfaces of the test implants relative to bone quality and density within a range of 1000 microns from the fixture surface. Similarly, qualitative differences were not observed between the apical and coronal portions of test fixtures. Morphometrically, a mean percentage bone-to-implant contact of 76.00 +/- 18.73 per cent was found at the test pressure sides, 75.00 +/- 11.54 per cent at the test tension sides, and 68.00 +/- 15.55 per cent at the control unloaded surfaces. No statistically significant differences in the percentage of bone-to-metal contact length fraction were found between test pressure surfaces, test tension surfaces, and unloaded control surfaces. Marginal bone resorption around the implant collar or immediately beneath it was found in roughly the same percentage of analysed sites in the test and control fixtures. In contrast, slight bone apposition was demonstrated at the implant collar of the test pressure surfaces, while no apposition or resorption were observed in the test tension zones. This study suggests that short endosseous implants can be used as anchoring units for orthodontic tooth movement early in the post-insertion healing period.  (+info)

The Procera abutment--the fifth generation abutment for dental implants. (3/467)

The Branemark dental implant has undergone progressive development in terms of both the implant body itself and the components connecting the implant to the prosthesis. Many screw and abutment designs have been developed, with various degrees of success. About 15 years ago, CAD (computer-assisted design)-CAM (computer-assisted manufacture) technology was introduced to dentists. More recently CAD-CAM has been used in the manufacture of abutments for implants. This article reviews currently available techniques for creating the Procera custom abutment (Nobel Biocare, Goteborg, Sweden) and outlines appropriate applications for this type of implant.  (+info)

Surgical simulation of Class III edentulous patient using a 3D craniofacial model: report of a case. (4/467)

A case of edentulous prognathism in a 46-year-old Japanese male is presented. We described the outcome of the patient who underwent simultaneous sagittal splitting ramus osteotomy of the edentulous mandible, interpositional bone graft of severely atrophic edentulous jaws, and delayed placement of titanium implants for reconstruction. We highly recommend performing a surgical simulation using a craniofacial model of the patient's anatomy created using CT image data. The procedure provides almost ideal maxillary and mandibular contours.  (+info)

C-telopeptide pyridinoline cross-links (ICTP) and periodontal pathogens associated with endosseous oral implants. (5/467)

Detection of periodontal or peri-implant sites exhibiting progressing disease or those at risk of deterioration has proven difficult. Pyridinoline cross-linked carboxyterminal telopeptide of type I collagen (ICTP), a marker specific for bone degradation found in gingival crevicular fluid (GCF), has been associated with both bone and attachment loss in periodontitis and may be useful for predicting disease activity. The aim of this cross-sectional study was to examine the relationship between ICTP levels and subgingival species around implants and teeth from 20 partially and 2 fully edentulous patients. GCF and plaque samples were collected from the mesiobuccal site of each implant and tooth. Radioimmunoassay techniques were utilized to determine GCF ICTP levels. Plaque samples were analyzed utilizing checkerboard DNA-DNA hybridization. Traditional clinical parameters were assessed. Seventy-one implants and 370 teeth from 22 subjects were examined. ICTP levels and subgingival plaque composition were not significantly different between implants and teeth. Implant sites colonized by Prevotella intermedia, Capnocytophaga gingivalis, Fusobacterium nucleatum ss vincentii, and Streptococcus gordonii exhibited odds ratios of 12.4, 9.3, 8.1, and 6.7, respectively of detecting ICTP. These results suggest a relationship between elevated ICTP levels at implant sites and some species associated with disease progression. Longitudinal studies are necessary to determine whether elevated ICTP levels may predict the development of peri-implant bone loss.  (+info)

Changing paradigms in implant dentistry. (6/467)

This review focuses on five paradigms of implant dentistry which have undergone considerable modifications in recent years. An attempt was made to select and include all the relevant citations of the past 10 years. These five paradigms document the debate in the clinical and scientific community and include the aspects of (1) smooth vs. rough implant surfaces, (2) submerged vs. non-submerged implant installation techniques, (3) mixed tooth-implant vs. solely implant-supported reconstructions, (4) morse-taper abutment fixation vs. butt-joint interfaces, and (5) titanium abutments vs. esthetic abutments in clinical situations where esthetics is of primary concern.  (+info)

Dental products devices; reclassification of endosseous dental implant accessories. Food and Drug Administration, HHS. Final rule. (7/467)

The Food and Drug Administration (FDA) is reclassifying the manually powered drill bits, screwdrivers, countertorque devices, placement and removal tools, laboratory pieces used for fabrication of dental prosthetics, trial abutments, and other manually powered endosseous dental implant accessories from class III to class I. These devices are intended to aid in the placement or removal of endosseous dental implants and abutments, prepare the site for placement of endosseous dental implants or abutments, aid in the fitting of endosseous dental implants or abutments, aid in the fabrication of dental prosthetics, and be used as an accessory with endosseous dental implants when tissue contact will last less than an hour. FDA is also exempting these devices from premarket notification. This reclassification is on the Secretary of Health and Human Services' own initiative based on new information. This action is being taken under the Federal Food, Drug, and Cosmetic Act (the act), as amended by the Medical Device Amendments of 1976 (the 1976 amendments), the Safe Medical Devices Act of 1990 (the SMDA), and the Food and Drug Administration Modernization Act of 1997 (FDAMA).  (+info)

Hard palate deformation in an animal model following quasi-static loading to stimulate that of orthodontic anchorage implants. (8/467)

The aim of the present investigation was to identify adequate implant treatment for young patients. In an animal model palate deformation was investigated by acute quasi-static loading. Three series of tests (with newborn, young and adult pigs) were performed, each with two groups (one or two-point stress) and 5-7 animals per group. Discs with a diameter of 3 and 5 mm were placed in group 1 in the suture area, and in group 2 at both the right and left sides of the suture. Deformation was analysed by a computerized three-dimensional (3D) photo-imaging evaluation system. In young animals the one-point load at a significantly lower force level led to fractures in comparison with the two-point load (P < 0.001). Similar results were measured by an increase in the size of one disc from 3 to 5 mm (P < 0.001). In contrast, adult pigs showed stable results with both methods. In general, a larger disc diameter led to less instability. The one-point load seems to be suitable for adult animals, whereas a two-point load might be favourable during ossification. The advantage of the two-point load is the generation of a higher stress and therefore improved control of dental fixation. However, further tests are necessary to investigate the long-term effects.  (+info)

Dental implants are artificial tooth roots that are surgically placed into the jawbone to replace missing or extracted teeth. They are typically made of titanium, a biocompatible material that can fuse with the bone over time in a process called osseointegration. Once the implant has integrated with the bone, a dental crown, bridge, or denture can be attached to it to restore function and aesthetics to the mouth.

Dental implants are a popular choice for tooth replacement because they offer several advantages over traditional options like dentures or bridges. They are more stable and comfortable, as they do not rely on adjacent teeth for support and do not slip or move around in the mouth. Additionally, dental implants can help to preserve jawbone density and prevent facial sagging that can occur when teeth are missing.

The process of getting dental implants typically involves several appointments with a dental specialist called a prosthodontist or an oral surgeon. During the first appointment, the implant is placed into the jawbone, and the gum tissue is stitched closed. Over the next few months, the implant will fuse with the bone. Once this process is complete, a second surgery may be necessary to expose the implant and attach an abutment, which connects the implant to the dental restoration. Finally, the crown, bridge, or denture is attached to the implant, providing a natural-looking and functional replacement for the missing tooth.

Endosseous dental implantation is a medical procedure that involves the placement of an artificial tooth root (dental implant) directly into the jawbone. The term "endosseous" refers to the surgical placement of the implant within the bone (endo- meaning "within" and -osseous meaning "bony"). This type of dental implant is the most common and widely used method for replacing missing teeth.

During the procedure, a small incision is made in the gum tissue to expose the jawbone, and a hole is drilled into the bone to receive the implant. The implant is then carefully positioned and secured within the bone. Once the implant has integrated with the bone (a process that can take several months), a dental crown or bridge is attached to the implant to restore function and aesthetics to the mouth.

Endosseous dental implantation is a safe and effective procedure that has a high success rate, making it an excellent option for patients who are missing one or more teeth due to injury, decay, or other causes.

Dental implantation is a surgical procedure in which a titanium post or frame is inserted into the jawbone beneath the gum line to replace the root of a missing tooth. Once the implant has integrated with the bone, a replacement tooth (crown) is attached to the top of the implant, providing a stable and durable restoration that looks, feels, and functions like a natural tooth. Dental implants can also be used to support dental bridges or dentures, providing added stability and comfort for patients who are missing multiple teeth.

A dental implant is a surgical component that interfaces with the bone of the jaw or skull to support a dental prosthesis such as a crown, bridge, denture, facial prosthesis or to act as an orthodontic anchor.

A single-tooth dental implant specifically refers to the replacement of a single missing tooth. The process typically involves three stages:

1. Placement: A titanium screw is placed into the jawbone where the missing tooth once was, acting as a root for the new tooth.
2. Osseointegration: Over several months, the jawbone grows around and fuses with the implant, creating a strong and stable foundation for the replacement tooth.
3. Restoration: A custom-made crown is attached to the implant, restoring the natural appearance and function of the missing tooth.

Single-tooth dental implants are a popular choice because they look, feel, and function like natural teeth, and they do not require the alteration of adjacent teeth, as is necessary with traditional bridgework.

A dental prosthesis is a device that replaces missing teeth or parts of teeth and restores their function and appearance. The design of a dental prosthesis refers to the plan and specifications used to create it, including the materials, shape, size, and arrangement of the artificial teeth and any supporting structures.

The design of a dental prosthesis is typically based on a variety of factors, including:

* The number and location of missing teeth
* The condition of the remaining teeth and gums
* The patient's bite and jaw alignment
* The patient's aesthetic preferences
* The patient's ability to chew and speak properly

There are several types of dental prostheses, including:

* Dentures: A removable appliance that replaces all or most of the upper or lower teeth.
* Fixed partial denture (FPD): Also known as a bridge, this is a fixed (non-removable) appliance that replaces one or more missing teeth by attaching artificial teeth to the remaining natural teeth on either side of the gap.
* Removable partial denture (RPD): A removable appliance that replaces some but not all of the upper or lower teeth.
* Implant-supported prosthesis: An artificial tooth or set of teeth that is supported by dental implants, which are surgically placed in the jawbone.

The design of a dental prosthesis must be carefully planned and executed to ensure a good fit, proper function, and natural appearance. It may involve several appointments with a dentist or dental specialist, such as a prosthodontist, to take impressions, make measurements, and try in the finished prosthesis.

A dental prosthesis that is supported by dental implants is an artificial replacement for one or more missing teeth. It is a type of dental restoration that is anchored to the jawbone using one or more titanium implant posts, which are surgically placed into the bone. The prosthesis is then attached to the implants, providing a stable and secure fit that closely mimics the function and appearance of natural teeth.

There are several types of implant-supported dental prostheses, including crowns, bridges, and dentures. A single crown may be used to replace a single missing tooth, while a bridge or denture can be used to replace multiple missing teeth. The specific type of prosthesis used will depend on the number and location of the missing teeth, as well as the patient's individual needs and preferences.

Implant-supported dental prostheses offer several advantages over traditional removable dentures, including improved stability, comfort, and functionality. They also help to preserve jawbone density and prevent facial sagging that can occur when teeth are missing. However, they do require a surgical procedure to place the implants, and may not be suitable for all patients due to factors such as bone density or overall health status.

Osseointegration is a direct structural and functional connection between living bone and the surface of an implant. It's a process where the bone grows in and around the implant, which is typically made of titanium or another biocompatible material. This process provides a solid foundation for dental prosthetics, such as crowns, bridges, or dentures, or for orthopedic devices like artificial limbs. The success of osseointegration depends on various factors, including the patient's overall health, the quality and quantity of available bone, and the surgical technique used for implant placement.

Dental care refers to the practice of maintaining and improving the oral health of the teeth and gums. It involves regular check-ups, cleanings, and treatments by dental professionals such as dentists, hygienists, and dental assistants. Dental care also includes personal habits and practices, such as brushing and flossing, that help prevent tooth decay and gum disease.

Regular dental care is important for preventing common dental problems like cavities, gingivitis, and periodontal disease. It can also help detect early signs of more serious health issues, such as oral cancer or diabetes, which can have symptoms that appear in the mouth.

Dental care may involve a range of treatments, from routine cleanings and fillings to more complex procedures like root canals, crowns, bridges, and implants. Dental professionals use various tools and techniques to diagnose and treat dental problems, including X-rays, dental impressions, and local anesthesia.

Overall, dental care is a critical component of overall health and wellness, as poor oral health has been linked to a range of systemic health issues, including heart disease, stroke, and respiratory infections.

Dental restoration failure refers to the breakdown or loss of functionality of a dental restoration, which is a procedure performed to restore the function, integrity, and morphology of a tooth that has been damaged due to decay, trauma, or wear. The restoration can include fillings, crowns, veneers, bridges, and implants. Failure of dental restorations can occur due to various reasons such as recurrent decay, fracture, poor fit, or material failure, leading to further damage or loss of the tooth.

Immediate dental implant loading is a dental procedure where a dental implant is placed and a restoration (such as a crown, bridge, or denture) is attached to it during the same appointment or immediately after the implant surgery. Traditionally, dental implants were allowed to heal and integrate with the jawbone for several months before loading (placing the restoration), but recent advances in implant technology and surgical techniques have made immediate loading a viable option in certain cases.

The success of immediate dental implant loading depends on various factors such as the patient's oral health, the quality and quantity of bone, the type and location of the implant, and the expertise of the dental professional. Immediate loading can offer several benefits, including reduced treatment time, fewer surgical procedures, and improved aesthetics and function. However, it is not always suitable for every patient or situation, and a thorough evaluation is necessary to determine if immediate loading is the best option.

A dental abutment is a component of a dental implant restoration that connects the implant to the replacement tooth or teeth. It serves as a support structure and is attached to the implant, which is surgically placed in the jawbone. The abutment provides a stable foundation for the placement of a crown, bridge, or denture, depending on the patient's individual needs.

Dental abutments can be made from various materials such as titanium, zirconia, or other biocompatible materials. They come in different shapes and sizes to accommodate the specific requirements of each implant case. The selection of an appropriate dental abutment is crucial for ensuring a successful and long-lasting dental implant restoration.

Titanium is not a medical term, but rather a chemical element (symbol Ti, atomic number 22) that is widely used in the medical field due to its unique properties. Medically, it is often referred to as a biocompatible material used in various medical applications such as:

1. Orthopedic implants: Titanium and its alloys are used for making joint replacements (hips, knees, shoulders), bone plates, screws, and rods due to their high strength-to-weight ratio, excellent corrosion resistance, and biocompatibility.
2. Dental implants: Titanium is also commonly used in dental applications like implants, crowns, and bridges because of its ability to osseointegrate, or fuse directly with bone tissue, providing a stable foundation for replacement teeth.
3. Cardiovascular devices: Titanium alloys are used in the construction of heart valves, pacemakers, and other cardiovascular implants due to their non-magnetic properties, which prevent interference with magnetic resonance imaging (MRI) scans.
4. Medical instruments: Due to its resistance to corrosion and high strength, titanium is used in the manufacturing of various medical instruments such as surgical tools, needles, and catheters.

In summary, Titanium is a chemical element with unique properties that make it an ideal material for various medical applications, including orthopedic and dental implants, cardiovascular devices, and medical instruments.

Alveolar ridge augmentation is a surgical procedure in dentistry that aims to reconstruct or enhance the volume and shape of the alveolar ridge, which is the bony ridge that supports the dental arch and holds the teeth in place. This procedure is often performed in preparation for dental implant placement when the jawbone lacks sufficient width, height, or density to support the implant securely.

The alveolar ridge augmentation process typically involves several steps:

1. Assessment: The dentist or oral surgeon evaluates the patient's oral condition and takes dental images (such as X-rays or CBCT scans) to determine the extent of bone loss and plan the surgical procedure accordingly.
2. Grafting material selection: Depending on the specific needs of the patient, various grafting materials can be used, including autografts (patient's own bone), allografts (bone from a human donor), xenografts (bone from an animal source), or synthetic materials.
3. Surgical procedure: The oral surgeon exposes the deficient area of the alveolar ridge and carefully places the grafting material, ensuring proper contour and stabilization. In some cases, a barrier membrane may be used to protect the graft and promote healing.
4. Healing period: After the surgery, a healing period is required for the grafted bone to integrate with the existing jawbone. This process can take several months, depending on factors such as the size of the graft and the patient's overall health.
5. Implant placement: Once the alveolar ridge augmentation has healed and sufficient bone volume has been achieved, dental implants can be placed to support replacement teeth, such as crowns, bridges, or dentures.

Alveolar ridge augmentation is a valuable technique for restoring jawbone structure and function, enabling patients with significant bone loss to receive dental implants and enjoy improved oral health and aesthetics.

Peri-implantitis is a medical term used to describe the inflammatory condition that affects the soft and hard tissues surrounding dental implants, leading to their progressive loss. It's characterized by an infection that causes inflammation in the gums and potentially in the bone around the implant.

The primary cause of peri-implantitis is bacterial biofilm accumulation, similar to what leads to periodontal disease around natural teeth. Other factors contributing to its development can include poor oral hygiene, smoking, diabetes, and genetic predisposition.

Symptoms may include redness, swelling, bleeding, and pus formation in the gums around the implant, as well as pain, mobility, or even loss of the affected dental implant if left untreated. Treatment options vary depending on the severity of the condition but often involve mechanical debridement, antibiotic therapy, and possible surgical intervention to regenerate lost tissue.

"Edentulous jaw" is a medical term used to describe a jaw that is missing all of its natural teeth. The term "edentulous" is derived from the Latin word "edentulus," which means "without teeth." This condition can affect either the upper jaw (maxilla) or the lower jaw (mandible), or both, resulting in a significant impact on an individual's ability to eat, speak, and maintain proper facial structure.

Edentulism is often associated with aging, as tooth loss becomes more common in older adults due to factors like gum disease, tooth decay, and injury. However, it can also affect younger individuals who have lost their teeth due to various reasons. Dental professionals typically recommend the use of dentures or dental implants to restore oral function and aesthetics for patients with edentulous jaws.

Prostheses: Artificial substitutes or replacements for missing body parts, such as limbs, eyes, or teeth. They are designed to restore the function, appearance, or mobility of the lost part. Prosthetic devices can be categorized into several types, including:

1. External prostheses: Devices that are attached to the outside of the body, like artificial arms, legs, hands, and feet. These may be further classified into:
a. Cosmetic or aesthetic prostheses: Primarily designed to improve the appearance of the affected area.
b. Functional prostheses: Designed to help restore the functionality and mobility of the lost limb.
2. Internal prostheses: Implanted artificial parts that replace missing internal organs, bones, or tissues, such as heart valves, hip joints, or intraocular lenses.

Implants: Medical devices or substances that are intentionally placed inside the body to replace or support a missing or damaged biological structure, deliver medication, monitor physiological functions, or enhance bodily functions. Examples of implants include:

1. Orthopedic implants: Devices used to replace or reinforce damaged bones, joints, or cartilage, such as knee or hip replacements.
2. Cardiovascular implants: Devices that help support or regulate heart function, like pacemakers, defibrillators, and artificial heart valves.
3. Dental implants: Artificial tooth roots that are placed into the jawbone to support dental prostheses, such as crowns, bridges, or dentures.
4. Neurological implants: Devices used to stimulate nerves, brain structures, or spinal cord tissues to treat various neurological conditions, like deep brain stimulators for Parkinson's disease or cochlear implants for hearing loss.
5. Ophthalmic implants: Artificial lenses that are placed inside the eye to replace a damaged or removed natural lens, such as intraocular lenses used in cataract surgery.

Dental education refers to the process of teaching, training, and learning in the field of dentistry. It involves a curriculum of academic and clinical instruction that prepares students to become licensed dental professionals, such as dentists, dental hygienists, and dental assistants. Dental education typically takes place in accredited dental schools or programs and includes classroom study, laboratory work, and supervised clinical experience. The goal of dental education is to provide students with the knowledge, skills, and values necessary to deliver high-quality oral health care to patients and promote overall health and wellness.

A drug implant is a medical device that is specially designed to provide controlled release of a medication into the body over an extended period of time. Drug implants can be placed under the skin or in various body cavities, depending on the specific medical condition being treated. They are often used when other methods of administering medication, such as oral pills or injections, are not effective or practical.

Drug implants come in various forms, including rods, pellets, and small capsules. The medication is contained within the device and is released slowly over time, either through diffusion or erosion of the implant material. This allows for a steady concentration of the drug to be maintained in the body, which can help to improve treatment outcomes and reduce side effects.

Some common examples of drug implants include:

1. Hormonal implants: These are small rods that are inserted under the skin of the upper arm and release hormones such as progestin or estrogen over a period of several years. They are often used for birth control or to treat conditions such as endometriosis or uterine fibroids.
2. Intraocular implants: These are small devices that are placed in the eye during surgery to release medication directly into the eye. They are often used to treat conditions such as age-related macular degeneration or diabetic retinopathy.
3. Bone cement implants: These are specially formulated cements that contain antibiotics and are used to fill bone defects or joint spaces during surgery. The antibiotics are released slowly over time, helping to prevent infection.
4. Implantable pumps: These are small devices that are placed under the skin and deliver medication directly into a specific body cavity, such as the spinal cord or the peritoneal cavity. They are often used to treat chronic pain or cancer.

Overall, drug implants offer several advantages over other methods of administering medication, including improved compliance, reduced side effects, and more consistent drug levels in the body. However, they may also have some disadvantages, such as the need for surgical placement and the potential for infection or other complications. As with any medical treatment, it is important to discuss the risks and benefits of drug implants with a healthcare provider.

"Schools, Dental" is not a recognized medical term or concept. It seems that there might be some confusion in the terminology used. If you are referring to "Dental Schools," they are educational institutions that offer professional training programs in dentistry, leading to a degree in dental surgery (DDS) or dental medicine (DMD).

If you meant something else, please clarify the term or concept, and I would be happy to provide more information.

Dental radiography is a specific type of imaging that uses radiation to produce detailed images of the teeth, bones, and soft tissues surrounding them. It is a crucial tool in dental diagnostics and treatment planning. There are several types of dental radiographs, including:

1. Intraoral Radiographs: These are taken inside the mouth and provide detailed images of individual teeth or small groups of teeth. They can help detect cavities, assess periodontal health, plan for restorations, and monitor tooth development in children. Common types of intraoral radiographs include bitewing, periapical, and occlusal radiographs.
2. Extraoral Radiographs: These are taken outside the mouth and provide images of larger areas, such as the entire jaw or skull. They can help diagnose issues related to the temporomandibular joint (TMJ), detect impacted teeth, assess bone health, and identify any abnormalities in the facial structure. Common types of extraoral radiographs include panoramic, cephalometric, and sialography radiographs.
3. Cone Beam Computed Tomography (CBCT): This is a specialized type of dental radiography that uses a cone-shaped X-ray beam to create detailed 3D images of the teeth, bones, and soft tissues. It is particularly useful in planning complex treatments such as dental implants, orthodontic treatment, and oral surgery.

Dental radiographs are typically taken using a specialized machine that emits a low dose of radiation. Patients are provided with protective lead aprons to minimize exposure to radiation. The frequency of dental radiographs depends on the patient's individual needs and medical history. Dentists follow strict guidelines to ensure that dental radiography is safe and effective for their patients.

Dental prosthesis retention refers to the means by which a dental prosthesis, such as a denture, is held in place in the mouth. The retention can be achieved through several methods, including:

1. Suction: This is the most common method of retention for lower dentures, where the shape and fit of the denture base create suction against the gums to hold it in place.
2. Mechanical retention: This involves the use of mechanical components such as clasps or attachments that hook onto remaining natural teeth or dental implants to hold the prosthesis in place.
3. Adhesive retention: Dental adhesives can be used to help secure the denture to the gums, providing additional retention and stability.
4. Implant retention: Dental implants can be used to provide a more secure and stable retention of the dental prosthesis. The implant is surgically placed in the jawbone and acts as an anchor for the prosthesis.

Proper retention of a dental prosthesis is essential for optimal function, comfort, and speech. A well-retained prosthesis can help prevent sore spots, improve chewing efficiency, and enhance overall quality of life.

I'm happy to help! However, I believe there may be a slight misunderstanding in your question. "Students, Dental" is not a medical term or definition. Instead, it likely refers to individuals who are studying to become dental professionals, such as dentists, dental hygienists, or dental assistants.

If you're looking for information about dental education or the field of dentistry, I would be happy to provide some resources or answer any questions you may have!

Edentulous partially refers to a condition where some teeth are missing in the jaw but not all. In other words, it is a state of having fewer teeth than normal for that particular dental arch. A dental arch can be either the upper or lower jaw.

In medical terms, "edentulous" means lacking teeth. So, when we say "jaw, edentulous, partially," it indicates a jaw that has some missing teeth. This condition is different from being completely edentulous, which refers to having no teeth at all in the dental arch.

Being edentulous or partially edentulous can impact an individual's ability to eat, speak, and affect their overall quality of life. Dental professionals often recommend various treatment options, such as dentures, bridges, or implants, to restore functionality and aesthetics for those who are partially edentulous.

Preprosthetic oral surgical procedures are dental surgeries performed to prepare the mouth for the placement of dental prostheses such as dentures. These procedures aim to create a smooth, stable, and suitable foundation in the mouth to support the prosthesis and ensure its proper functioning, retention, and comfort.

Common preprosthetic oral surgical procedures include:

1. Alveoloplasty: This procedure involves reshaping the alveolar ridge (the bony ridge that supports the teeth) to create a more uniform and even surface. It helps to eliminate any sharp or irregular bony edges that may interfere with the fit or comfort of the denture.

2. Gingivectomy/Gingivoplasty: These procedures involve removing or reshaping excess gum tissue to improve the fit and appearance of the dental prosthesis. A gingivectomy removes a portion of the gum tissue, while a gingivoplasty sculpts and reshapes the existing gum tissue.

3. Frenectomy: This procedure involves removing or repositioning the frenum, a small fold of tissue that connects the lips, cheeks, or tongue to the jawbone. A lingual frenectomy may be necessary when the frenum restricts tongue movement and interferes with proper denture placement or speech.

4. Maxillary tori reduction: This procedure involves removing or reducing the size of tori, which are bony growths found on the roof of the mouth (maxilla). Large tori can make it difficult to wear a denture, so their removal or reduction can improve the fit and comfort of the prosthesis.

5. Ridge augmentation: This procedure involves adding bone grafting material to the jaw ridge to increase its height, width, or volume. This is often done when there is significant bone loss due to tooth extraction, periodontal disease, or other factors, making it difficult to achieve a secure and comfortable denture fit.

6. Exostectomy: This procedure involves removing small, benign bony growths (exostoses) that may develop on the hard palate or along the jaw ridge. These growths can interfere with the fit and comfort of a denture, so their removal can improve the prosthesis' functionality.

These procedures are typically performed by oral surgeons, periodontists, or prosthodontists who specialize in dental implants, oral surgery, and complex restorative treatments. The specific treatment plan will depend on each patient's individual needs and preferences.

A dental prosthesis known as an "overlay denture" is a type of removable restoration that covers and restores only the occlusal (biting) surfaces of the natural teeth, while leaving the remaining tooth structure and surrounding soft tissues intact. This type of denture is typically used when there are still sufficient healthy tooth structures present to provide support and stability for the prosthesis.

Overlay dentures can be made from various materials such as acrylic resin or metal alloys, and they can be fabricated to fit over the natural teeth with precision, ensuring optimal comfort and functionality. These dentures are designed to improve the patient's ability to chew and speak properly, while also enhancing their smile and overall oral esthetics.

It is important to note that proper dental hygiene and regular check-ups with a dental professional are essential for maintaining good oral health and ensuring the longevity of an overlay denture.

Dental caries, also known as tooth decay or cavities, refers to the damage or breakdown of the hard tissues of the teeth (enamel, dentin, and cementum) due to the activity of acid-producing bacteria. These bacteria ferment sugars from food and drinks, producing acids that dissolve and weaken the tooth structure, leading to cavities.

The process of dental caries development involves several stages:

1. Demineralization: The acidic environment created by bacterial activity causes minerals (calcium and phosphate) to be lost from the tooth surface, making it weaker and more susceptible to decay.
2. Formation of a white spot lesion: As demineralization progresses, a chalky white area appears on the tooth surface, indicating early caries development.
3. Cavity formation: If left untreated, the demineralization process continues, leading to the breakdown and loss of tooth structure, resulting in a cavity or hole in the tooth.
4. Infection and pulp involvement: As the decay progresses deeper into the tooth, it can reach the dental pulp (the soft tissue containing nerves and blood vessels), causing infection, inflammation, and potentially leading to toothache, abscess, or even tooth loss.

Preventing dental caries involves maintaining good oral hygiene, reducing sugar intake, using fluoride toothpaste and mouthwash, and having regular dental check-ups and cleanings. Early detection and treatment of dental caries can help prevent further progression and more severe complications.

A dental implant-abutment design refers to the specific configuration and components used to connect a dental implant, which serves as an artificial tooth root, to a dental restoration, such as a crown, bridge, or denture. The abutment is a connecting element that attaches to the implant and provides the foundation for the dental restoration.

There are various dental implant-abutment designs available, each with its unique advantages and disadvantages. Some common designs include:

1. External hexagon: This design features an external hexagonal connection between the implant and abutment. It is one of the earliest and most widely used designs but has largely been replaced by internal connection designs due to concerns about screw loosening and microbial leakage.
2. Internal hexagon: In this design, the hexagonal connection is located inside the implant, providing better stability and resistance to rotational forces compared to external hexagon designs.
3. Morse taper: This design uses a tapered connection between the implant and abutment, creating a tight, press-fit interface that resists micromovements and microbial leakage. It is known for its high stability and ease of use.
4. UCLA (University of California, Los Angeles) abutment: This design features a custom-milled abutment specifically designed to fit the individual implant platform. The UCLA abutment provides excellent esthetics and precision but requires additional laboratory fabrication time and costs.
5. Platform switching: This design involves using an abutment with a smaller diameter than the implant platform, creating a gap between the implant and abutment. This gap has been shown to reduce crestal bone loss and improve soft tissue esthetics around dental implants.
6. Cement-retained: In this design, the restoration is cemented onto the abutment using a dental cement. While it provides good esthetics and simplicity, there are concerns about excess cement causing peri-implant inflammation and bone loss.
7. Screw-retained: This design involves securing the restoration to the abutment with a screw. It offers easy retrievability and maintenance but may have compromised esthetics due to the presence of a screw access hole.

Each dental implant system has its unique advantages and disadvantages, and selecting the appropriate one depends on various factors such as the patient's anatomy, oral health status, and desired treatment outcomes. Dentists should consider these factors when choosing the most suitable implant system for their patients.

The mandible, also known as the lower jaw, is the largest and strongest bone in the human face. It forms the lower portion of the oral cavity and plays a crucial role in various functions such as mastication (chewing), speaking, and swallowing. The mandible is a U-shaped bone that consists of a horizontal part called the body and two vertical parts called rami.

The mandible articulates with the skull at the temporomandibular joints (TMJs) located in front of each ear, allowing for movements like opening and closing the mouth, protrusion, retraction, and side-to-side movement. The mandible contains the lower teeth sockets called alveolar processes, which hold the lower teeth in place.

In medical terminology, the term "mandible" refers specifically to this bone and its associated structures.

Dental materials are substances that are used in restorative dentistry, prosthodontics, endodontics, orthodontics, and preventive dentistry to restore or replace missing tooth structure, improve the function and esthetics of teeth, and protect the oral tissues from decay and disease. These materials can be classified into various categories based on their physical and chemical properties, including metals, ceramics, polymers, composites, cements, and alloys.

Some examples of dental materials include:

1. Amalgam: a metal alloy used for dental fillings that contains silver, tin, copper, and mercury. It is strong, durable, and resistant to wear but has been controversial due to concerns about the toxicity of mercury.
2. Composite: a tooth-colored restorative material made of a mixture of glass or ceramic particles and a bonding agent. It is used for fillings, veneers, and other esthetic dental treatments.
3. Glass ionomer cement: a type of cement used for dental restorations that releases fluoride ions and helps prevent tooth decay. It is often used for fillings in children's teeth or as a base under crowns and bridges.
4. Porcelain: a ceramic material used for dental crowns, veneers, and other esthetic restorations. It is strong, durable, and resistant to staining but can be brittle and prone to fracture.
5. Gold alloy: a metal alloy used for dental restorations that contains gold, copper, and other metals. It is highly biocompatible, corrosion-resistant, and malleable but can be expensive and less esthetic than other materials.
6. Acrylic resin: a type of polymer used for dental appliances such as dentures, night guards, and orthodontic retainers. It is lightweight, flexible, and easy to modify but can be less durable than other materials.

The choice of dental material depends on various factors, including the location and extent of the restoration, the patient's oral health status, their esthetic preferences, and their budget. Dental professionals must consider these factors carefully when selecting the appropriate dental material for each individual case.

A complete lower denture is a removable dental appliance that replaces all of the natural teeth in the lower jaw. It is typically made of plastic or a combination of plastic and metal, and it rests on the gums and bones of the lower jaw. The denture is designed to look and function like natural teeth, allowing the individual to speak, chew, and smile confidently. Complete lower dentures are custom-made for each patient to ensure a comfortable and secure fit.

Alveolar bone loss refers to the breakdown and resorption of the alveolar process of the jawbone, which is the part of the jaw that contains the sockets of the teeth. This type of bone loss is often caused by periodontal disease, a chronic inflammation of the gums and surrounding tissues that can lead to the destruction of the structures that support the teeth.

In advanced stages of periodontal disease, the alveolar bone can become severely damaged or destroyed, leading to tooth loss. Alveolar bone loss can also occur as a result of other conditions, such as osteoporosis, trauma, or tumors. Dental X-rays and other imaging techniques are often used to diagnose and monitor alveolar bone loss. Treatment may include deep cleaning of the teeth and gums, medications, surgery, or tooth extraction in severe cases.

A partial denture that is fixed, also known as a fixed partial denture or a dental bridge, is a type of prosthetic device used to replace one or more missing teeth. Unlike removable partial dentures, which can be taken out of the mouth for cleaning and maintenance, fixed partial dentures are permanently attached to the remaining natural teeth or implants surrounding the gap left by the missing tooth or teeth.

A typical fixed partial denture consists of an artificial tooth (or pontic) that is fused to one or two crowns on either side. The crowns are cemented onto the prepared surfaces of the adjacent teeth, providing a stable and secure attachment for the pontic. This creates a natural-looking and functional replacement for the missing tooth or teeth.

Fixed partial dentures offer several advantages over removable options, including improved stability, comfort, and aesthetics. However, they typically require more extensive preparation of the adjacent teeth, which may involve removing some healthy tooth structure to accommodate the crowns. Proper oral hygiene is essential to maintain the health of the supporting teeth and gums, as well as the longevity of the fixed partial denture. Regular dental check-ups and professional cleanings are also necessary to ensure the continued success of this type of restoration.

Dental care for chronically ill refers to the oral health management and treatment provided to individuals who have chronic medical conditions. These patients often require specialized dental care due to their increased risk of developing oral health problems as a result of their underlying medical condition or its treatment. The goal of dental care for the chronically ill is to prevent and manage dental diseases, such as tooth decay and gum disease, in order to maintain overall health and quality of life. This may involve close collaboration between dental professionals, physicians, and other healthcare providers to ensure that the patient's oral health needs are being met in a comprehensive and coordinated manner.

The maxillary sinuses, also known as the antrums of Highmore, are the largest of the four pairs of paranasal sinuses located in the maxilla bones. They are air-filled cavities that surround the nasolacrimal duct and are situated superior to the upper teeth and lateral to the nasal cavity. Each maxillary sinus is lined with a mucous membrane, which helps to warm, humidify, and filter the air we breathe. Inflammation or infection of the maxillary sinuses can result in conditions such as sinusitis, leading to symptoms like facial pain, headaches, and nasal congestion.

The alveolar process is the curved part of the jawbone (mandible or maxilla) that contains sockets or hollow spaces (alveoli) for the teeth to be embedded. These processes are covered with a specialized mucous membrane called the gingiva, which forms a tight seal around the teeth to help protect the periodontal tissues and maintain oral health.

The alveolar process is composed of both compact and spongy bone tissue. The compact bone forms the outer layer, while the spongy bone is found inside the alveoli and provides support for the teeth. When a tooth is lost or extracted, the alveolar process begins to resorb over time due to the lack of mechanical stimulation from the tooth's chewing forces. This can lead to changes in the shape and size of the jawbone, which may require bone grafting procedures before dental implant placement.

A dental clinic is a healthcare facility that is primarily focused on providing oral health services to patients. These services may include preventative care, such as dental cleanings and exams, as well as restorative treatments like fillings, crowns, and bridges. Dental clinics may also offer specialized services, such as orthodontics, periodontics, or endodontics.

In a dental clinic, patients are typically seen by licensed dentists who have completed dental school and received additional training in their chosen area of specialty. Dental hygienists, dental assistants, and other support staff may also work in the clinic to provide care and assistance to patients.

Dental clinics can be found in a variety of settings, including hospitals, community health centers, private practices, and educational institutions. Some dental clinics may specialize in treating certain populations, such as children, elderly individuals, or low-income patients. Others may offer specialized services, such as oral surgery or cosmetic dentistry.

Overall, dental clinics play an important role in promoting oral health and preventing dental diseases and conditions. By providing access to high-quality dental care, dental clinics can help patients maintain healthy teeth and gums, prevent tooth decay and gum disease, and improve their overall quality of life.

Dental care for children, also known as pediatric dentistry, is a branch of dentistry that focuses on the oral health of children from infancy through adolescence. The medical definition of dental care for children includes:

1. Preventive Dentistry: This involves regular dental check-ups, professional cleaning, fluoride treatments, and sealants to prevent tooth decay and other dental diseases. Parents are also educated on proper oral hygiene practices for their children, including brushing, flossing, and dietary habits.
2. Restorative Dentistry: If a child develops cavities or other dental problems, restorative treatments such as fillings, crowns, or pulpotomies (baby root canals) may be necessary to restore the health and function of their teeth.
3. Orthodontic Treatment: Many children require orthodontic treatment to correct misaligned teeth or jaws. Early intervention can help guide proper jaw development and prevent more severe issues from developing later on.
4. Habit Counseling: Dental care for children may also involve habit counseling, such as helping a child stop thumb sucking or pacifier use, which can negatively impact their oral health.
5. Sedation and Anesthesia: For children who are anxious about dental procedures or have special needs, sedation or anesthesia may be used to ensure their comfort and safety during treatment.
6. Emergency Care: Dental care for children also includes emergency care for injuries such as knocked-out teeth, broken teeth, or severe toothaches. Prompt attention is necessary to prevent further damage and alleviate pain.
7. Education and Prevention: Finally, dental care for children involves educating parents and children about the importance of good oral hygiene practices and regular dental check-ups to maintain optimal oral health throughout their lives.

Experimental implants refer to medical devices that are not yet approved by regulatory authorities for general use in medical practice. These are typically being tested in clinical trials to evaluate their safety and efficacy. The purpose of experimental implants is to determine whether they can be used as a viable treatment option for various medical conditions. They may include, but are not limited to, devices such as artificial joints, heart valves, or spinal cord stimulators that are still in the developmental or testing stage. Participation in clinical trials involving experimental implants is voluntary and usually requires informed consent from the patient.

Breast implants are medical devices that are inserted into the breast to enhance their size, shape, or fullness. They can also be used for breast reconstruction after a mastectomy or other medical treatments. Breast implants typically consist of a silicone shell filled with either saline (sterile saltwater) or silicone gel.

There are two main types of breast implants:

1. Saline-filled implants: These implants have a silicone outer shell that is filled with sterile saline solution after the implant has been inserted into the breast. This allows for some adjustment in the size and shape of the implant after surgery.
2. Silicone gel-filled implants: These implants have a silicone outer shell that is pre-filled with a cohesive silicone gel. The gel is designed to feel more like natural breast tissue than saline implants.

Breast implants come in various sizes, shapes, and textures, and the choice of implant will depend on several factors, including the patient's body type, desired outcome, and personal preference. It is important for patients considering breast implants to discuss their options with a qualified plastic surgeon who can help them make an informed decision based on their individual needs and goals.

Dental pulp is the soft tissue located in the center of a tooth, surrounded by the dentin. It contains nerves, blood vessels, and connective tissue, and plays a vital role in the development and health of the tooth. The dental pulp helps to form dentin during tooth development and continues to provide nourishment to the tooth throughout its life. It also serves as a sensory organ, allowing the tooth to detect hot and cold temperatures and transmit pain signals to the brain. Injury or infection of the dental pulp can lead to serious dental problems, such as tooth decay or abscesses, and may require root canal treatment to remove the damaged tissue and save the tooth.

A dental hygienist is a licensed healthcare professional who works as part of the dental team, providing educational, clinical, and therapeutic services to prevent and control oral diseases. They are trained and authorized to perform various duties such as:

1. Cleaning and polishing teeth (prophylaxis) to remove plaque, calculus, and stains.
2. Applying fluoride and sealants to protect tooth surfaces from decay.
3. Taking dental radiographs (x-rays) to help diagnose dental issues.
4. Providing oral health education, including proper brushing, flossing techniques, and nutrition counseling.
5. Performing screenings for oral cancer and other diseases.
6. Documenting patient care and treatment plans in medical records.
7. Collaborating with dentists to develop individualized treatment plans for patients.
8. Managing infection control protocols and maintaining a safe, clean dental environment.
9. Providing supportive services, such as applying anesthetics or administering nitrous oxide, under the direct supervision of a dentist (depending on state regulations).

Dental hygienists typically work in private dental offices but can also be found in hospitals, clinics, public health settings, educational institutions, and research facilities. They must complete an accredited dental hygiene program and pass written and clinical exams to obtain licensure in their state of practice. Continuing education is required to maintain licensure and stay current with advancements in the field.

A tooth socket, also known as an alveolus (plural: alveoli), refers to the hollow cavity or space in the jawbone where a tooth is anchored. The tooth socket is part of the alveolar process, which is the curved part of the maxilla or mandible that contains multiple tooth sockets for the upper and lower teeth, respectively.

Each tooth socket has a specialized tissue called the periodontal ligament, which attaches the root of the tooth to the surrounding bone. This ligament helps absorb forces generated during biting and chewing, allowing for comfortable and efficient mastication while also maintaining the tooth's position within the jawbone. The tooth socket is responsible for providing support, stability, and nourishment to the tooth through its blood vessels and nerves.

Oral surgical procedures refer to various types of surgeries performed in the oral cavity and maxillofacial region, which includes the mouth, jaws, face, and skull. These procedures are typically performed by oral and maxillofacial surgeons, who are dental specialists with extensive training in surgical procedures involving the mouth, jaws, and face.

Some common examples of oral surgical procedures include:

1. Tooth extractions: This involves removing a tooth that is damaged beyond repair or causing problems for the surrounding teeth. Wisdom tooth removal is a common type of tooth extraction.
2. Dental implant placement: This procedure involves placing a small titanium post in the jawbone to serve as a replacement root for a missing tooth. A dental crown is then attached to the implant, creating a natural-looking and functional replacement tooth.
3. Jaw surgery: Also known as orthognathic surgery, this procedure involves repositioning the jaws to correct bite problems or facial asymmetry.
4. Biopsy: This procedure involves removing a small sample of tissue from the oral cavity for laboratory analysis, often to diagnose suspicious lesions or growths.
5. Lesion removal: This procedure involves removing benign or malignant growths from the oral cavity, such as tumors or cysts.
6. Temporomandibular joint (TMJ) surgery: This procedure involves treating disorders of the TMJ, which connects the jawbone to the skull and allows for movement when eating, speaking, and yawning.
7. Facial reconstruction: This procedure involves rebuilding or reshaping the facial bones after trauma, cancer surgery, or other conditions that affect the face.

Overall, oral surgical procedures are an important part of dental and medical care, helping to diagnose and treat a wide range of conditions affecting the mouth, jaws, and face.

Forensic dentistry, also known as forensic odontology, is a specialty in forensic science that involves the examination, identification, and evaluation of dental evidence for legal purposes. It encompasses various aspects such as:

1. Identification of deceased individuals through dental records comparison (e.g., during mass disasters or unidentified human remains).
2. Analysis of bite marks found on victims or objects related to criminal investigations.
3. Assessment of age, sex, ancestry, and other personal characteristics based on dental features.
4. Examination of cases of abuse, neglect, or malpractice in dentistry.
5. Evaluation of occupational dental injuries and diseases.

Forensic dentists often work closely with law enforcement agencies, medical examiners, and other legal professionals to provide expert testimony in court proceedings.

The Faculty of Dental Surgery (FDS) is a division or department within a medical or dental school that focuses on the study, research, and practice of dental surgery. The faculty may be responsible for providing undergraduate and postgraduate education and training in dental surgery, as well as conducting research in this field.

Dental surgery encompasses various procedures related to the diagnosis, treatment, and prevention of diseases and disorders that affect the teeth, gums, and other structures of the mouth and jaw. This may include procedures such as tooth extractions, root canals, dental implants, and oral cancer surgery, among others.

The Faculty of Dental Surgery is typically composed of a group of dental surgeons who are experts in their field and have a commitment to advancing the practice of dental surgery through education, research, and clinical excellence. Members of the faculty may include professors, researchers, clinicians, and other professionals who are involved in the delivery of dental care.

Dental alloys are materials made by combining two or more metals to be used in dental restorations, such as crowns, bridges, fillings, and orthodontic appliances. These alloys can be classified into three main categories based on their composition:

1. Precious Alloys: Predominantly composed of precious metals like gold, platinum, palladium, and silver. They are highly corrosion-resistant, biocompatible, and durable, making them suitable for long-term use in dental restorations. Common examples include high noble (gold) alloys and noble alloys.
2. Base Metal Alloys: Contain primarily non-precious metals like nickel, chromium, cobalt, and beryllium. They are more affordable than precious alloys but may cause allergic reactions or sensitivities in some patients. Common examples include nickel-chromium alloys and cobalt-chromium alloys.
3. Castable Glass Ionomer Alloys: A combination of glass ionomer cement (GIC) powder and metal liquid, which can be cast into various dental restorations. They have the advantage of being both strong and adhesive to tooth structure but may not be as durable as other alloy types.

Each type of dental alloy has its unique properties and applications, depending on the specific clinical situation and patient needs. Dental professionals consider factors like cost, biocompatibility, mechanical properties, and esthetics when selecting an appropriate alloy for a dental restoration.

Dental models are replicas of a patient's teeth and surrounding oral structures, used in dental practice and education. They are typically created using plaster or other materials that harden to accurately reproduce the shape and position of each tooth, as well as the contours of the gums and palate. Dental models may be used for a variety of purposes, including treatment planning, creating custom-fitted dental appliances, and teaching dental students about oral anatomy and various dental procedures. They provide a tactile and visual representation that can aid in understanding and communication between dentists, patients, and other dental professionals.

Dental digital radiography is a type of medical imaging that uses digital sensors instead of traditional X-ray film to produce highly detailed images of the teeth, gums, and surrounding structures. This technology offers several advantages over conventional dental radiography, including:

1. Lower radiation exposure: Digital sensors require less radiation to produce an image compared to traditional film, making it a safer option for patients.
2. Instant results: The images captured by digital sensors are immediately displayed on a computer screen, allowing dentists to quickly assess the patient's oral health and discuss any findings with them during the appointment.
3. Improved image quality: Digital radiography produces clearer and more precise images compared to traditional film, enabling dentists to better detect issues such as cavities, fractures, or tumors.
4. Enhanced communication: The ability to easily manipulate and enhance digital images allows for better communication between dental professionals and improved patient education.
5. Environmentally friendly: Digital radiography eliminates the need for chemical processing and disposal of used film, making it a more environmentally conscious choice.
6. Easy storage and retrieval: Digital images can be stored electronically and accessed easily for future reference or consultation with other dental professionals.
7. Remote consultations: Digital images can be shared remotely with specialists or insurance companies, facilitating faster diagnoses and treatment planning.

Surface properties in the context of medical science refer to the characteristics and features of the outermost layer or surface of a biological material or structure, such as cells, tissues, organs, or medical devices. These properties can include physical attributes like roughness, smoothness, hydrophobicity or hydrophilicity, and electrical conductivity, as well as chemical properties like charge, reactivity, and composition.

In the field of biomaterials science, understanding surface properties is crucial for designing medical implants, devices, and drug delivery systems that can interact safely and effectively with biological tissues and fluids. Surface modifications, such as coatings or chemical treatments, can be used to alter surface properties and enhance biocompatibility, improve lubricity, reduce fouling, or promote specific cellular responses like adhesion, proliferation, or differentiation.

Similarly, in the field of cell biology, understanding surface properties is essential for studying cell-cell interactions, cell signaling, and cell behavior. Cells can sense and respond to changes in their environment, including variations in surface properties, which can influence cell shape, motility, and function. Therefore, characterizing and manipulating surface properties can provide valuable insights into the mechanisms of cellular processes and offer new strategies for developing therapies and treatments for various diseases.

Cremation is a method of disposing of a deceased person's remains by incinerating the body at high temperatures, typically in a specially designed furnace called a crematorium. The process reduces the body to its basic components, which are then pulverized into a fine, grayish-white powder known as cremated remains or cremains.

Cremation is an alternative to traditional burial and is chosen for various reasons, including cultural or religious beliefs, personal preferences, environmental concerns, or cost considerations. It's important to note that cremation does not replace the need for a funeral or memorial service, which can still be held to honor the deceased person's life and memory.

It's also worth noting that there are regulations around cremation, such as identifying the body before cremation, obtaining consent from the next of kin, and ensuring that the cremated remains are returned to the appropriate party after the process is complete.

Dental care for disabled refers to the specialized oral health services and treatments provided to individuals with physical, cognitive, or developmental disabilities. This type of dental care aims to prevent and manage dental diseases and conditions that can be more prevalent and challenging to treat in this population due to factors such as limited mobility, difficulty communicating, behavioral challenges, and the need for specialized equipment and techniques. Dental care for disabled may include routine cleanings, fillings, extractions, and other procedures, as well as education and counseling on oral hygiene and dietary habits. It may also involve collaboration with other healthcare providers to manage overall health and well-being.

The maxilla is a paired bone that forms the upper jaw in vertebrates. In humans, it is a major bone in the face and plays several important roles in the craniofacial complex. Each maxilla consists of a body and four processes: frontal process, zygomatic process, alveolar process, and palatine process.

The maxillae contribute to the formation of the eye sockets (orbits), nasal cavity, and the hard palate of the mouth. They also contain the upper teeth sockets (alveoli) and help form the lower part of the orbit and the cheekbones (zygomatic arches).

Here's a quick rundown of its key functions:

1. Supports the upper teeth and forms the upper jaw.
2. Contributes to the formation of the eye sockets, nasal cavity, and hard palate.
3. Helps shape the lower part of the orbit and cheekbones.
4. Partakes in the creation of important sinuses, such as the maxillary sinus, which is located within the body of the maxilla.

Sinus floor augmentation, also known as sinus lift or maxillary sinus floor elevation, is a surgical procedure in dental medicine that aims to increase the amount of bone in the upper jaw (maxilla) in the area of the premolars and molars. This procedure is typically performed in preparation for dental implant placement in cases where there is insufficient bone height or density due to alveolar bone resorption, anatomical variations such as pneumatization of the maxillary sinus, or complications from previous oral surgery.

During the sinus floor augmentation procedure, a small opening is made in the upper jawbone, usually through the side of the mouth (buccal approach) or from inside the mouth (crestal approach). The membrane lining the sinus cavity (sinus membrane or Schneiderian membrane) is carefully lifted and detached from the underlying bone, creating a space between the sinus floor and the jawbone. Bone graft material, which can be autogenous (patient's own), allogeneic (donor-derived), xenogeneic (animal-derived), or synthetic, is then placed into this space to stimulate new bone growth. The opening in the jawbone is then closed with sutures, and a healing period follows before dental implant placement can be considered.

The primary goal of sinus floor augmentation is to provide adequate bone volume and quality for successful dental implant integration and long-term stability.

Zirconium is not a medical term, but it is a chemical element with the symbol Zr and atomic number 40. It is a gray-white, strong, corrosion-resistant transition metal that is used primarily in nuclear reactors, as an opacifier in glazes for ceramic cookware, and in surgical implants such as artificial joints due to its biocompatibility.

In the context of medical devices or implants, zirconium alloys may be used for their mechanical properties and resistance to corrosion. For example, zirconia (a form of zirconium dioxide) is a popular material for dental crowns and implants due to its durability, strength, and natural appearance.

However, it's important to note that while zirconium itself is not considered a medical term, there are various medical applications and devices that utilize zirconium-based materials.

Dental anxiety is a common feeling of fear or apprehension associated with dental appointments, treatments, or procedures. It can range from mild feelings of unease to severe phobias that cause people to avoid dental care altogether. Dental anxiety may stem from various factors such as negative past experiences, fear of pain, needles, or loss of control. In some cases, dental anxiety may lead to physical symptoms like sweating, rapid heartbeat, and difficulty breathing. It is important for individuals with dental anxiety to communicate their feelings with their dentist so that they can receive appropriate care and support.

Forensic anthropology is a subfield of anthropology that applies scientific techniques and methods to analyze human remains for the purpose of establishing identity, determining the cause and manner of death, and investigating incidents of crime, mass disasters, or human rights violations. Forensic anthropologists use their knowledge of osteology, skeletal biology, and archaeological techniques to examine bones, teeth, and other tissues to help law enforcement agencies and legal professionals in criminal and civil investigations. They may also provide expert testimony in court based on their findings.

Patient care planning is a critical aspect of medical practice that involves the development, implementation, and evaluation of an individualized plan for patients to receive high-quality and coordinated healthcare services. It is a collaborative process between healthcare professionals, patients, and their families that aims to identify the patient's health needs, establish realistic goals, and determine the most effective interventions to achieve those goals.

The care planning process typically includes several key components, such as:

1. Assessment: A comprehensive evaluation of the patient's physical, psychological, social, and environmental status to identify their healthcare needs and strengths.
2. Diagnosis: The identification of the patient's medical condition(s) based on clinical findings and diagnostic tests.
3. Goal-setting: The establishment of realistic and measurable goals that address the patient's healthcare needs and align with their values, preferences, and lifestyle.
4. Intervention: The development and implementation of evidence-based strategies to achieve the identified goals, including medical treatments, therapies, and supportive services.
5. Monitoring and evaluation: The ongoing assessment of the patient's progress towards achieving their goals and adjusting the care plan as needed based on changes in their condition or response to treatment.

Patient care planning is essential for ensuring that patients receive comprehensive, coordinated, and personalized care that promotes their health, well-being, and quality of life. It also helps healthcare professionals to communicate effectively, make informed decisions, and provide safe and effective care that meets the needs and expectations of their patients.

Dental insurance is a type of health insurance specifically designed to cover the costs associated with dental care. It typically helps pay for preventive, basic, and major restorative procedures, including routine checkups, cleanings, fillings, extractions, root canals, crowns, bridges, and in some cases, orthodontic treatment.

Dental insurance plans often have a network of participating dentists who agree to provide services at pre-negotiated rates, helping to keep costs down for both the insured individual and the insurance company. The plan may cover a certain percentage of the cost of each procedure or have set copayments and deductibles that apply.

Like other forms of insurance, dental insurance plans come with annual maximum coverage limits, which is the most the plan will pay for dental care within a given year. It's essential to understand the terms and conditions of your dental insurance policy to make informed decisions about your oral health care and maximize the benefits available to you.

Dental auxiliaries are healthcare professionals who provide support to dentists in the delivery of oral healthcare services. They work under the supervision of a licensed dentist and perform tasks that require specific technical skills and knowledge. Examples of dental auxiliaries include dental hygienists, dental assistants, and dental lab technicians.

Dental hygienists are responsible for providing preventive dental care to patients, including cleaning teeth, taking x-rays, and educating patients on oral hygiene practices. They may also perform certain clinical procedures under the direct supervision of a dentist.

Dental assistants work closely with dentists during dental procedures, preparing instruments, mixing materials, and providing patient care. They may also perform administrative tasks such as scheduling appointments and managing patient records.

Dental lab technicians create dental restorations such as crowns, bridges, and dentures based on impressions taken by the dentist. They use a variety of materials and techniques to fabricate these devices with precision and accuracy.

It's important to note that the specific roles and responsibilities of dental auxiliaries may vary depending on the jurisdiction and local regulations.

Dental health services refer to medical care and treatment provided for the teeth and mouth. This can include preventative care, such as dental cleanings and exams, as well as restorative treatments like fillings, crowns, and root canals. Dental health services may also include cosmetic procedures, such as teeth whitening or orthodontic treatment to straighten crooked teeth. In addition to these services, dental health professionals may provide education on oral hygiene and the importance of maintaining good dental health. These services are typically provided by dentists, dental hygienists, and other dental professionals in a variety of settings, including private dental practices, community health clinics, and hospitals.

A dental crown is a type of dental restoration that completely caps or encircles a tooth or dental implant. Crowns are used to restore the strength, functionality, and appearance of teeth that have been damaged or weakened due to various reasons such as decay, fracture, or large fillings. They can be made from various materials including porcelain, ceramic, metal, or a combination of these. The crown is custom-made to fit over the prepared tooth and is cemented into place, becoming a permanent part of the tooth. Crowns are also used for cosmetic purposes to improve the appearance of discolored or misshapen teeth.

The dental arch refers to the curved shape formed by the upper or lower teeth when they come together. The dental arch follows the curve of the jaw and is important for proper bite alignment and overall oral health. The dental arches are typically described as having a U-shaped appearance, with the front teeth forming a narrower section and the back teeth forming a wider section. The shape and size of the dental arch can vary from person to person, and any significant deviations from the typical shape or size may indicate an underlying orthodontic issue that requires treatment.

Dental research is a scientific discipline that focuses on the study of teeth, oral health, and related diseases. It involves various aspects of dental sciences such as oral biology, microbiology, biochemistry, genetics, epidemiology, biomaterials, and biotechnology. The main aim of dental research is to improve oral health care, develop new diagnostic tools, prevent dental diseases, and create better treatment options for various dental conditions. Dental researchers may study topics such as tooth development, oral cancer, periodontal disease, dental caries (cavities), saliva composition, and the effects of nutrition on oral health. The findings from dental research can help improve dental care practices, inform public health policies, and advance our understanding of overall human health.

Dental care for the elderly, also known as geriatric dentistry, refers to the dental care services provided to meet the specific needs and challenges of older adults. As people age, they may experience various oral health issues such as:

* Dry mouth due to medication side effects or medical conditions
* Gum disease and periodontitis
* Tooth loss and decay
* Oral cancer
* Uneven jawbone or ill-fitting dentures

Dental care for the aged may include routine dental exams, cleanings, fillings, extractions, denture fittings, oral surgery, and education on proper oral hygiene. It is important for elderly individuals to maintain good oral health as it can impact their overall health and quality of life. Regular dental check-ups and good oral hygiene practices can help prevent or manage these common oral health problems in the elderly.

Dental plaque is a biofilm or mass of bacteria that accumulates on the surface of the teeth, restorative materials, and prosthetic devices such as dentures. It is initiated when bacterial colonizers attach to the smooth surfaces of teeth through van der Waals forces and specific molecular adhesion mechanisms.

The microorganisms within the dental plaque produce extracellular polysaccharides that help to stabilize and strengthen the biofilm, making it resistant to removal by simple brushing or rinsing. Over time, if not regularly removed through oral hygiene practices such as brushing and flossing, dental plaque can mineralize and harden into tartar or calculus.

The bacteria in dental plaque can cause tooth decay (dental caries) by metabolizing sugars and producing acid that demineralizes the tooth enamel. Additionally, certain types of bacteria in dental plaque can cause periodontal disease, an inflammation of the gums that can lead to tissue damage and bone loss around the teeth. Regular professional dental cleanings and good oral hygiene practices are essential for preventing the buildup of dental plaque and maintaining good oral health.

Tooth loss is the condition or process characterized by the disappearance or absence of one or more teeth from their normal position in the dental arch. This can occur due to various reasons such as tooth decay, periodontal disease (gum disease), injury, or aging. The consequences of tooth loss include difficulties in chewing, speaking, and adversely affecting the aesthetics of a person's smile, which may lead to psychological impacts. Additionally, it can cause shifting of adjacent teeth, bone resorption, and changes in the bite, potentially leading to further dental issues if not treated promptly.

A diagnosis that is made based on the examination and evaluation of the oral cavity, including the teeth, gums, tongue, and other soft tissues. This type of diagnosis may involve a visual exam, medical history review, and various diagnostic tests such as imaging studies or tissue biopsies. The goal of an oral diagnosis is to identify any underlying conditions or diseases that may be present in the oral cavity and determine the appropriate course of treatment. Dentists, dental specialists, and other healthcare professionals may perform oral diagnoses.

Orbital implants are medical devices used in the field of ophthalmology, specifically for orbital fracture repair and enucleation or evisceration procedures. They serve as a replacement for the natural eye structure (the eyeball) when it is removed due to various reasons such as severe trauma, tumors, or painful blind eyes.

Orbital implants are typically made of biocompatible materials like porous polyethylene, hydroxyapatite, or glass. These materials allow for the growth of fibrovascular tissue into the pores, which helps to integrate the implant with the surrounding tissues and minimize movement. The size of the implant is chosen based on the individual patient's needs and may vary from 16mm to 24mm in diameter.

The primary function of orbital implants is to restore the volume and shape of the eye socket, maintain proper eyelid position and function, and provide a foundation for the attachment of an ocular prosthesis (artificial eye) that can be worn over the implant to give a more natural appearance.

A partial denture is a type of removable dental prosthesis that replaces one or more missing teeth on a jaw while the remaining natural teeth remain intact. It is designed to fit securely and comfortably among the existing teeth, filling in the gaps created by tooth loss and helping to restore normal biting, chewing, and speaking functions.

Partial dentures typically consist of an acrylic base that resembles the color of gum tissue, with artificial teeth attached to it. The base is often held in place by metal or plastic clasps that hook around the existing teeth for support. In some cases, precision attachments may be used instead of clasps for a more discreet and natural-looking fit.

Partial dentures can help prevent several dental issues associated with tooth loss, such as drifting, tilting, or rotating of adjacent teeth, which can lead to further tooth loss and bite problems over time. They also help maintain the overall shape and structure of the face, preventing sagging or collapsing of facial muscles that may occur due to missing teeth.

Regular dental check-ups are essential for individuals wearing partial dentures to ensure proper fit, function, and oral health. Dentists will often examine the denture, the remaining natural teeth, and the gums to monitor any changes or issues and make necessary adjustments as needed.

Jaw diseases refer to a variety of conditions that affect the temporomandibular joint (TMJ) and the surrounding muscles, as well as dental disorders that can impact the jaw. Some common examples include:

1. Temporomandibular Joint Disorders (TMD): These are problems with the TMJ and the muscles that control jaw movement. Symptoms may include pain, clicking or popping sounds, and limited movement of the jaw.

2. Osteonecrosis of the Jaw: This is a condition where bone in the jaw dies due to lack of blood supply. It can be caused by radiation therapy, chemotherapy, or certain medications.

3. Dental Cavities: These are holes in the teeth caused by bacteria. If left untreated, they can cause pain, infection, and damage to the jawbone.

4. Periodontal Disease: This is an infection of the gums and bones that support the teeth. Advanced periodontal disease can lead to loss of teeth and damage to the jawbone.

5. Jaw Fractures: These are breaks in the jawbone, often caused by trauma.

6. Oral Cancer: This is a type of cancer that starts in the mouth or throat. If not treated early, it can spread to the jaw and other parts of the body.

7. Cysts and Tumors: These are abnormal growths in the jawbone or surrounding tissues. While some are benign (non-cancerous), others can be malignant (cancerous).

8. Osteomyelitis: This is an infection of the bone, often occurring in the lower jaw. It can cause pain, swelling, and fever.

9. Oral Thrush: This is a fungal infection that causes white patches on the inside of the mouth. If left untreated, it can spread to the jaw and other parts of the body.

10. Sinusitis: Inflammation of the sinuses can sometimes cause pain in the upper jaw.

A dental office is a healthcare facility where dental professionals, such as dentists, oral surgeons, and orthodontists, provide various dental treatments and services to patients. These services may include routine check-ups, teeth cleaning, fillings, extractions, root canals, crowns, bridges, implants, and orthodontic treatments like braces.

Dental offices typically have examination rooms equipped with dental chairs, dental instruments, and X-ray machines to diagnose and treat dental issues. They may also have a reception area where patients can schedule appointments, make payments, and complete paperwork.

In addition to clinical services, dental offices may also provide patient education on oral hygiene practices, nutrition, and lifestyle habits that can affect dental health. Some dental offices may specialize in certain areas of dentistry, such as pediatric dentistry or cosmetic dentistry.

Dental records are a collection of detailed documentation related to a patient's dental history and treatment. These records typically include:

1. Patient demographics: This includes the patient's name, date of birth, contact information, and other identifying details.
2. Dental charts: These are graphic representations of the patient's teeth and gums, noting any existing restorations, decay, periodontal disease, or other oral health conditions.
3. Radiographs (x-rays): These images help dentists visualize structures that aren't visible during a clinical examination, such as between teeth, below the gum line, and inside the jaw bones.
4. Treatment plans: This includes proposed dental procedures, their estimated costs, and the rationale behind them.
5. Progress notes: These are ongoing records of each dental appointment, detailing the treatments performed, the patient's response to treatment, and any home care instructions given.
6. Medical history: This includes any systemic health conditions that could impact dental treatment, such as diabetes or heart disease, as well as medications being taken.
7. Consent forms: These are documents signed by the patient (or their legal guardian) giving permission for specific treatments.
8. Communication notes: Any correspondence between dental professionals regarding the patient's care.

Dental records play a crucial role in continuity of care, allowing dentists to track changes in a patient's oral health over time and make informed treatment decisions. They are also important for medicolegal reasons, providing evidence in case of malpractice claims or other disputes.

"Edentulous mouth" is a medical term used to describe a condition where an individual has no remaining natural teeth in either their upper or lower jaw, or both. This situation can occur due to various reasons such as tooth decay, gum disease, trauma, or aging. Dentists often recommend dental prosthetics like dentures to restore oral function and aesthetics for individuals with edentulous mouths.

The term "dental staff" generally refers to the group of professionals who work together in a dental practice or setting to provide oral health care services to patients. The composition of a dental staff can vary depending on the size and type of the practice, but it typically includes:

1. Dentists: These are medical doctors who specialize in oral health. They diagnose and treat dental diseases, conditions, and disorders, and perform various procedures such as fillings, root canals, extractions, and crowns.
2. Dental Hygienists: These are licensed healthcare professionals who provide preventive dental care services to patients. They clean teeth, remove plaque and tartar, apply fluoride and sealants, take X-rays, and educate patients on proper oral hygiene practices.
3. Dental Assistants: These are trained professionals who assist dentists during procedures and perform various administrative tasks in a dental practice. They prepare patients for treatment, sterilize instruments, take impressions, and schedule appointments.
4. Front Office Staff: These are the receptionists, schedulers, and billing specialists who manage the administrative aspects of a dental practice. They handle patient inquiries, schedule appointments, process insurance claims, and maintain patient records.
5. Other Specialists: Depending on the needs of the practice, other dental professionals such as orthodontists, oral surgeons, endodontists, periodontists, or prosthodontists may also be part of the dental staff. These specialists have advanced training in specific areas of dentistry and provide specialized care to patients.

Overall, a well-functioning dental staff is essential for providing high-quality oral health care services to patients in a safe, efficient, and patient-centered manner.

Dental stress analysis is a method used in dentistry to evaluate the amount and distribution of forces that act upon teeth and surrounding structures during biting, chewing, or other functional movements. This analysis helps dental professionals identify areas of excessive stress or strain that may lead to dental problems such as tooth fracture, mobility, or periodontal (gum) disease. By identifying these areas, dentists can develop treatment plans to reduce the risk of dental issues and improve overall oral health.

Dental stress analysis typically involves the use of specialized equipment, such as strain gauges, T-scan occlusal analysis systems, or finite element analysis software, to measure and analyze the forces that act upon teeth during various functional movements. The results of the analysis can help dentists determine the best course of treatment, which may include adjusting the bite, restoring damaged teeth with crowns or fillings, or fabricating custom-made oral appliances to redistribute the forces evenly across the dental arch.

Overall, dental stress analysis is an important tool in modern dentistry that helps dental professionals diagnose and treat dental problems related to occlusal (bite) forces, ensuring optimal oral health and function for their patients.

Dimensional measurement accuracy refers to the degree of closeness with which the measured dimension of a object or feature corresponds to its true value. It is usually expressed as a tolerance, which indicates the maximum allowable deviation from the true value. This measurement accuracy can be affected by various factors such as the precision and calibration of the measuring instrument, the skill and experience of the person taking the measurement, and environmental conditions such as temperature and humidity. High dimensional measurement accuracy is essential in many fields, including manufacturing, engineering, and scientific research, to ensure that parts and products meet specified dimensions and function properly.

Dental equipment refers to the various instruments and devices used by dental professionals to perform oral health examinations, diagnose dental conditions, and provide treatment to patients. Here are some examples:

1. Dental chair: A specially designed chair that allows patients to recline while receiving dental care.
2. Examination light: A bright light used to illuminate the oral cavity during examinations and procedures.
3. Dental mirror: A small, angled mirror used to help dentists see hard-to-reach areas of the mouth.
4. Explorer: A sharp instrument used to probe teeth for signs of decay or other dental problems.
5. Dental probe: A blunt instrument used to measure the depth of periodontal pockets and assess gum health.
6. Scaler: A handheld instrument or ultrasonic device used to remove tartar and calculus from teeth.
7. Suction device: A vacuum-like tool that removes saliva, water, and debris from the mouth during procedures.
8. Dental drill: A high-speed instrument used to remove decayed or damaged tooth structure and prepare teeth for fillings, crowns, or other restorations.
9. Rubber dam: A thin sheet of rubber used to isolate individual teeth during procedures, keeping them dry and free from saliva.
10. Dental X-ray machine: A device that uses radiation to capture images of the teeth and surrounding structures, helping dentists diagnose conditions such as decay, infection, and bone loss.
11. Curing light: A special light used to harden dental materials, such as composite fillings and crowns, after they have been placed in the mouth.
12. Air/water syringe: A handheld device that delivers a stream of air and water to clean teeth and rinse away debris during procedures.

"General practice dentistry" is a term used to describe the provision of primary dental care to patients of all ages. A general practice dentist provides a wide range of dental services, including preventative care (such as cleanings and fluoride treatments), restorative care (fillings, crowns, bridges), endodontics (root canals), oral surgery (extractions), periodontics (treatment of gum disease), prosthodontics (dentures, implants), and orthodontics (braces). They also diagnose and manage dental diseases and provide advice on oral health. General practice dentists aim to provide comprehensive and continuous care to their patients, coordinating with other dental and medical professionals as needed.

A commercial catalog is a publication that lists and describes products or services offered by a business for sale. It is typically used as a marketing tool to promote the company's offerings to potential customers. The catalog may include photographs, descriptions, specifications, and prices of the products or services, as well as contact information for the company.

In a medical context, commercial catalogs may refer to publications produced by companies that sell medical devices, supplies, or equipment. These catalogs can be an important resource for healthcare professionals who are looking to purchase products for their practice or facility. They may provide detailed information about the features and benefits of different products, as well as any relevant certifications or regulatory approvals.

It's worth noting that while commercial catalogs can be a valuable source of information, it's important to critically evaluate the information presented in them. Companies may highlight the strengths of their own products while downplaying the weaknesses, so it's important to compare multiple sources and consult with other experts before making a purchasing decision.

I'm happy to help! However, I must clarify that "materials testing" is not a medical term per se. It is a term used in various fields, including engineering and materials science, to describe the process of subjecting materials to different tests to evaluate their properties and performance under various conditions.

In the context of medical devices or implants, materials testing may refer to the evaluation of the physical and mechanical properties of materials used in their construction. These tests can include assessments of strength, durability, biocompatibility, and other factors that are critical to ensuring the safety and efficacy of medical devices.

Medical device manufacturers must comply with regulatory standards for materials testing to ensure that their products meet specific requirements for performance, safety, and quality. These standards may vary depending on the type of device, its intended use, and the country or region in which it will be marketed and sold.

Dental amalgam is a commonly used dental filling material that consists of a mixture of metals, including silver, tin, copper, and mercury. The mercury binds the other metals together to form a strong, durable, and stable restoration that is resistant to wear and tear. Dental amalgam has been used for over 150 years to fill cavities and repair damaged teeth, and it remains a popular choice among dentists due to its strength, durability, and affordability.

However, there has been some controversy surrounding the use of dental amalgam due to concerns about the potential health effects of mercury exposure. While the majority of scientific evidence suggests that dental amalgam is safe for most people, some individuals may be more sensitive to mercury and may experience adverse reactions. As a result, some dentists may recommend alternative filling materials, such as composite resin or gold, for certain patients.

Overall, dental amalgam is a safe and effective option for filling cavities and restoring damaged teeth, but it is important to discuss any concerns or questions with a qualified dental professional.

Panoramic radiography is a specialized type of dental X-ray imaging that captures a panoramic view of the entire mouth, including the teeth, upper and lower jaws, and surrounding structures. It uses a special machine that rotates around the head, capturing images as it moves. This technique provides a two-dimensional image that is helpful in diagnosing and planning treatment for various dental conditions such as impacted teeth, bone abnormalities, and jaw disorders.

The panoramic radiograph can also be used to assess the development and positioning of wisdom teeth, detect cysts or tumors in the jaws, and evaluate the effects of trauma or injury to the mouth. It is a valuable tool for dental professionals as it allows them to see a comprehensive view of the oral structures, which may not be visible with traditional X-ray techniques.

It's important to note that while panoramic radiography provides valuable information, it should be used in conjunction with other diagnostic tools and clinical examinations to ensure accurate diagnosis and treatment planning.

Denture retention, in the field of dentistry, refers to the ability of a dental prosthesis (dentures) to maintain its position and stability within the mouth. It is achieved through various factors including the fit, shape, and design of the denture, as well as the use of dental implants or adhesives. Proper retention helps ensure comfortable and effective chewing, speaking, and smiling for individuals who have lost some or all of their natural teeth.

Bone transplantation, also known as bone grafting, is a surgical procedure in which bone or bone-like material is transferred from one part of the body to another or from one person to another. The graft may be composed of cortical (hard outer portion) bone, cancellous (spongy inner portion) bone, or a combination of both. It can be taken from different sites in the same individual (autograft), from another individual of the same species (allograft), or from an animal source (xenograft). The purpose of bone transplantation is to replace missing bone, provide structural support, and stimulate new bone growth. This procedure is commonly used in orthopedic, dental, and maxillofacial surgeries to repair bone defects caused by trauma, tumors, or congenital conditions.

Bone regeneration is the biological process of new bone formation that occurs after an injury or removal of a portion of bone. This complex process involves several stages, including inflammation, migration and proliferation of cells, matrix deposition, and mineralization, leading to the restoration of the bone's structure and function.

The main cells involved in bone regeneration are osteoblasts, which produce new bone matrix, and osteoclasts, which resorb damaged or old bone tissue. The process is tightly regulated by various growth factors, hormones, and signaling molecules that promote the recruitment, differentiation, and activity of these cells.

Bone regeneration can occur naturally in response to injury or surgical intervention, such as fracture repair or dental implant placement. However, in some cases, bone regeneration may be impaired due to factors such as age, disease, or trauma, leading to delayed healing or non-union of the bone. In these situations, various strategies and techniques, including the use of bone grafts, scaffolds, and growth factors, can be employed to enhance and support the bone regeneration process.

Cone-beam computed tomography (CBCT) is a medical imaging technique that uses a cone-shaped X-ray beam to create detailed, cross-sectional images of the body. In dental and maxillofacial radiology, CBCT is used to produce three-dimensional images of the teeth, jaws, and surrounding bones.

CBCT differs from traditional computed tomography (CT) in that it uses a cone-shaped X-ray beam instead of a fan-shaped beam, which allows for a faster scan time and lower radiation dose. The X-ray beam is rotated around the patient's head, capturing data from multiple angles, which is then reconstructed into a three-dimensional image using specialized software.

CBCT is commonly used in dental implant planning, orthodontic treatment planning, airway analysis, and the diagnosis and management of jaw pathologies such as tumors and fractures. It provides detailed information about the anatomy of the teeth, jaws, and surrounding structures, which can help clinicians make more informed decisions about patient care.

However, it is important to note that CBCT should only be used when necessary, as it still involves exposure to ionizing radiation. The benefits of using CBCT must be weighed against the potential risks associated with radiation exposure.

Hydrofluoric acid is not typically considered a medical term, but rather a chemical one. However, it's important for medical professionals to be aware of its potential hazards and health effects.

Hydrofluoric acid (HF) is a highly corrosive and toxic liquid, which is colorless or slightly yellowish. It is a solution of hydrogen fluoride in water. It is used in various industries for etching glass, cleaning metal surfaces, manufacturing semiconductors, and in chemical research.

In terms of health effects, exposure to HF can cause severe burns and tissue damage. Even at very low concentrations, it can cause pain and irritation to the skin and eyes. Inhalation can lead to respiratory irritation, coughing, and choking. If ingested, it can be fatal due to its ability to cause deep burns in the gastrointestinal tract and potentially lead to systemic fluoride toxicity. Delayed medical attention can result in serious complications, including damage to bones and nerves.

A dental assistant is a healthcare professional who works under the direction of a dentist and provides patient care, takes and develops x-rays, assists the dentist during procedures, performs infection control procedures, and helps with office management. They may also provide education to patients on oral hygiene and other dental health topics. Dental assistants must be trained and certified in many states and are an important part of the dental care team.

In medical terms, the jaw is referred to as the mandible (in humans and some other animals), which is the lower part of the face that holds the lower teeth in place. It's a large, horseshoe-shaped bone that forms the lower jaw and serves as a attachment point for several muscles that are involved in chewing and moving the lower jaw.

In addition to the mandible, the upper jaw is composed of two bones known as the maxillae, which fuse together at the midline of the face to form the upper jaw. The upper jaw holds the upper teeth in place and forms the roof of the mouth, as well as a portion of the eye sockets and nasal cavity.

Together, the mandible and maxillae allow for various functions such as speaking, eating, and breathing.

Continuing dental education (CDE) refers to the ongoing education and training that dentists and other oral health professionals engage in after completing their initial professional degrees. The purpose of CDE is to help these professionals stay current with advances in dental technology, research, and patient care so they can continue to provide the highest quality of care to their patients.

CDE programs may cover a wide range of topics, including new techniques for treating oral diseases, advances in dental materials and equipment, ethical issues in dental practice, and strategies for managing a successful dental practice. These programs may take many forms, such as lectures, workshops, seminars, online courses, or hands-on training sessions.

In most states, dentists are required to complete a certain number of CDE credits each year in order to maintain their licensure. This helps ensure that all dental professionals are up-to-date on the latest research and best practices in their field, which ultimately benefits patients by promoting better oral health outcomes.

A partial denture, removable is a type of dental prosthesis used when one or more natural teeth remain in the upper or lower jaw. It is designed to replace the missing teeth and rest on the remaining teeth and gums for support. This type of denture can be removed by the patient for cleaning and while sleeping. It is typically made of acrylic resin, metal, or a combination of both, and is custom-fabricated to fit the individual's mouth for comfort and functionality.

A complete upper denture is a removable dental appliance that replaces all of the natural teeth in the upper jaw. It is typically made of acrylic resin and fits over the gums, creating a natural-looking smile and allowing the patient to chew and speak properly. The denture is custom-made to fit the unique contours of the patient's mouth, ensuring a comfortable and secure fit.

Complete upper dentures are designed to replace an entire arch of teeth, providing support for the lips and cheeks and helping to maintain the natural shape of the face. They can be held in place by suction or with the help of dental adhesives, and should be removed and cleaned regularly to ensure good oral hygiene and prevent damage to the gums and underlying bone.

Overall, complete upper dentures are an effective solution for patients who have lost all of their upper teeth due to injury, decay, or other factors. They can help restore function, aesthetics, and confidence, allowing individuals to lead a healthy and fulfilling life.

Dental anesthesia is a type of local or regional anesthesia that is specifically used in dental procedures to block the transmission of pain impulses from the teeth and surrounding tissues to the brain. The most common types of dental anesthesia include:

1. Local anesthesia: This involves the injection of a local anesthetic drug, such as lidocaine or prilocaine, into the gum tissue near the tooth that is being treated. This numbs the area and prevents the patient from feeling pain during the procedure.
2. Conscious sedation: This is a type of minimal sedation that is used to help patients relax during dental procedures. The patient remains conscious and can communicate with the dentist, but may not remember the details of the procedure. Common methods of conscious sedation include nitrous oxide (laughing gas) or oral sedatives.
3. Deep sedation or general anesthesia: This is rarely used in dental procedures, but may be necessary for patients who are extremely anxious or have special needs. It involves the administration of drugs that cause a state of unconsciousness and prevent the patient from feeling pain during the procedure.

Dental anesthesia is generally safe when administered by a qualified dentist or oral surgeon. However, as with any medical procedure, there are risks involved, including allergic reactions to the anesthetic drugs, nerve damage, and infection. Patients should discuss any concerns they have with their dentist before undergoing dental anesthesia.

Biocompatible materials are non-toxic and non-reacting substances that can be used in medical devices, tissue engineering, and drug delivery systems without causing harm or adverse reactions to living tissues or organs. These materials are designed to mimic the properties of natural tissues and are able to integrate with biological systems without being rejected by the body's immune system.

Biocompatible materials can be made from a variety of substances, including metals, ceramics, polymers, and composites. The specific properties of these materials, such as their mechanical strength, flexibility, and biodegradability, are carefully selected to meet the requirements of their intended medical application.

Examples of biocompatible materials include titanium used in dental implants and joint replacements, polyethylene used in artificial hips, and hydrogels used in contact lenses and drug delivery systems. The use of biocompatible materials has revolutionized modern medicine by enabling the development of advanced medical technologies that can improve patient outcomes and quality of life.

In the context of dentistry, a molar is a type of tooth found in the back of the mouth. They are larger and wider than other types of teeth, such as incisors or canines, and have a flat biting surface with multiple cusps. Molars are primarily used for grinding and chewing food into smaller pieces that are easier to swallow. Humans typically have twelve molars in total, including the four wisdom teeth.

In medical terminology outside of dentistry, "molar" can also refer to a unit of mass in the apothecaries' system of measurement, which is equivalent to 4.08 grams. However, this usage is less common and not related to dental or medical anatomy.

Osteogenesis, distraction refers to a surgical procedure and controlled rehabilitation process used in orthopedic surgery, oral and maxillofacial surgery, and neurosurgery to lengthen bones or correct bone deformities. The term "osteogenesis" means bone formation, while "distraction" refers to the gradual separation of bone segments.

In this procedure, a surgeon first cuts the bone (osteotomy) and then applies an external or internal distraction device that slowly moves apart the cut ends of the bone. Over time, new bone forms in the gap between the separated bone segments through a process called distraction osteogenesis. This results in increased bone length or correction of deformities.

Distraction osteogenesis is often used to treat various conditions such as limb length discrepancies, craniofacial deformities, and spinal deformities. The procedure requires careful planning, precise surgical technique, and close postoperative management to ensure optimal outcomes.

I'm sorry for any confusion, but "Metal Ceramic Alloys" is not a recognized medical term. It is, however, a term used in the field of materials science and engineering. Metal ceramic alloys, also known as cermets, are materials that combine properties of both metals and ceramics. They are typically composed of a metal or alloy matrix with embedded ceramic particles.

In the context of medical devices or dental restorations, the term you might be looking for is "porcelain-fused-to-metal" (PFM). PFM restorations are a type of dental crown or bridge that combines a metal substructure with a ceramic outer layer. The metal provides strength and durability, while the ceramic layer mimics the appearance of natural teeth.

If you have any questions related to medical terminology or definitions, please don't hesitate to ask!

A free tissue flap in medical terms refers to a surgical procedure where living tissue, along with its own blood supply, is lifted from its original location and moved to another part of the body for reconstruction or repair. The term "free" indicates that the tissue is completely detached from its original blood vessels and then reattached to new blood vessels at the recipient site using microvascular surgical techniques.

Free tissue flaps can be composed of various tissues, such as skin, muscle, fascia (the connective tissue beneath the skin), or bone. They are often used in reconstructive surgery following trauma, tumor removal, or for treating complex wounds that cannot heal on their own. The advantages of free tissue flaps include increased flexibility in choosing the type and size of tissue to be transferred, as well as improved blood flow to the transplanted tissue, which can enhance healing and overall surgical success.

The mandibular nerve is a branch of the trigeminal nerve (the fifth cranial nerve), which is responsible for sensations in the face and motor functions such as biting and chewing. The mandibular nerve provides both sensory and motor innervation to the lower third of the face, below the eye and nose down to the chin.

More specifically, it carries sensory information from the lower teeth, lower lip, and parts of the oral cavity, as well as the skin over the jaw and chin. It also provides motor innervation to the muscles of mastication (chewing), which include the masseter, temporalis, medial pterygoid, and lateral pterygoid muscles.

Damage to the mandibular nerve can result in numbness or loss of sensation in the lower face and mouth, as well as weakness or difficulty with chewing and biting.

Biocompatible coated materials refer to surfaces or substances that are treated or engineered with a layer or film designed to interact safely and effectively with living tissues or biological systems, without causing harm or adverse reactions. The coating material is typically composed of biomaterials that can withstand the conditions of the specific application while promoting a positive response from the body.

The purpose of these coatings may vary depending on the medical device or application. For example, they might be used to enhance the lubricity and wear resistance of implantable devices, reduce the risk of infection, promote integration with surrounding tissues, control drug release, or prevent the formation of biofilms.

Biocompatible coated materials must undergo rigorous testing and evaluation to ensure their safety and efficacy in various clinical settings. This includes assessing potential cytotoxicity, genotoxicity, sensitization, hemocompatibility, carcinogenicity, and other factors that could impact the body's response to the material.

Examples of biocompatible coating materials include:

1. Hydrogels: Cross-linked networks of hydrophilic polymers that can be used for drug delivery, tissue engineering, or as lubricious coatings on medical devices.
2. Self-assembling monolayers (SAMs): Organosilane or thiol-based molecules that form a stable, well-ordered film on surfaces, which can be further functionalized to promote specific biological interactions.
3. Poly(ethylene glycol) (PEG): A biocompatible polymer often used as a coating material due to its ability to reduce protein adsorption and cell attachment, making it useful for preventing biofouling or thrombosis on medical devices.
4. Bioactive glass: A type of biomaterial composed of silica-based glasses that can stimulate bone growth and healing when used as a coating material in orthopedic or dental applications.
5. Drug-eluting coatings: Biocompatible polymers impregnated with therapeutic agents, designed to release the drug over time to promote healing, prevent infection, or inhibit restenosis in various medical devices.

An incisor is a type of tooth that is primarily designed for biting off food pieces rather than chewing or grinding. They are typically chisel-shaped, flat, and have a sharp cutting edge. In humans, there are eight incisors - four on the upper jaw and four on the lower jaw, located at the front of the mouth. Other animals such as dogs, cats, and rodents also have incisors that they use for different purposes like tearing or gnawing.

Bone substitutes are materials that are used to replace missing or damaged bone in the body. They can be made from a variety of materials, including natural bone from other parts of the body or from animals, synthetic materials, or a combination of both. The goal of using bone substitutes is to provide structural support and promote the growth of new bone tissue.

Bone substitutes are often used in dental, orthopedic, and craniofacial surgery to help repair defects caused by trauma, tumors, or congenital abnormalities. They can also be used to augment bone volume in procedures such as spinal fusion or joint replacement.

There are several types of bone substitutes available, including:

1. Autografts: Bone taken from another part of the patient's body, such as the hip or pelvis.
2. Allografts: Bone taken from a deceased donor and processed to remove any cells and infectious materials.
3. Xenografts: Bone from an animal source, typically bovine or porcine, that has been processed to remove any cells and infectious materials.
4. Synthetic bone substitutes: Materials such as calcium phosphate ceramics, bioactive glass, and polymer-based materials that are designed to mimic the properties of natural bone.

The choice of bone substitute material depends on several factors, including the size and location of the defect, the patient's medical history, and the surgeon's preference. It is important to note that while bone substitutes can provide structural support and promote new bone growth, they may not have the same strength or durability as natural bone. Therefore, they may not be suitable for all applications, particularly those that require high load-bearing capacity.

Tooth extraction is a dental procedure in which a tooth that is damaged or poses a threat to oral health is removed from its socket in the jawbone. This may be necessary due to various reasons such as severe tooth decay, gum disease, fractured teeth, crowded teeth, or for orthodontic treatment purposes. The procedure is performed by a dentist or an oral surgeon, under local anesthesia to numb the area around the tooth, ensuring minimal discomfort during the extraction process.

"Dental, Graduate Education" refers to the post-baccalaureate programs of study and training that lead to an advanced degree in the field of dentistry. These programs are designed to prepare students for specialized dental practice, research, or teaching careers. Examples of graduate dental degrees include:

1. Doctor of Dental Surgery (DDS): A professional doctoral degree that qualifies the graduate to practice general dentistry.
2. Doctor of Medical Dentistry (DMD): A professional doctoral degree equivalent to the DDS; awarded by some universities in the United States and several other countries.
3. Master of Science (MS) in Dentistry: An academic master's degree focused on research, teaching, or advanced clinical practice in a specific dental discipline.
4. Doctor of Philosophy (PhD) in Dental Sciences: A research-oriented doctoral degree that prepares students for careers in academia, research institutions, or the dental industry.
5. Specialty Training Programs: Postgraduate residency programs that provide advanced training in one of the nine recognized dental specialties, such as orthodontics, oral and maxillofacial surgery, or pediatric dentistry. These programs typically lead to a certificate or a master's degree in the respective specialty area.

Graduate dental education usually involves a combination of classroom instruction, laboratory work, clinical experience, and research. Admission to these programs typically requires a DDS or DMD degree from an accredited dental school and satisfactory scores on the Dental Admission Test (DAT).

Root canal therapy, also known as endodontic treatment, is a dental procedure that involves the removal of infected or damaged pulp tissue from within a tooth's root canal system. The root canal system is a series of narrow channels that run from the center of the tooth (pulp chamber) down to the tip of the tooth roots, containing nerves, blood vessels, and connective tissues.

During the procedure, the dentist or endodontist will gain access to the pulp chamber, carefully clean and shape the root canals using specialized instruments, and then fill and seal them with a rubber-like material called gutta-percha. This helps prevent reinfection and preserves the structural integrity of the tooth. In many cases, a crown or other restoration is placed over the treated tooth to protect it and restore its function and appearance.

Root canal therapy is typically recommended when the pulp tissue becomes inflamed or infected due to deep decay, repeated dental procedures, cracks, or chips in the teeth. The goal of this treatment is to alleviate pain, preserve natural tooth structure, and prevent the need for extraction.

Dental technology refers to the application of science and engineering in dentistry to prevent, diagnose, and treat dental diseases and conditions. It involves the use of various equipment, materials, and techniques to improve oral health and enhance the delivery of dental care. Some examples of dental technology include:

1. Digital radiography: This technology uses digital sensors instead of traditional X-ray films to produce images of the teeth and supporting structures. It provides higher quality images, reduces radiation exposure, and allows for easier storage and sharing of images.
2. CAD/CAM dentistry: Computer-aided design and computer-aided manufacturing (CAD/CAM) technology is used to design and fabricate dental restorations such as crowns, bridges, and veneers in a single appointment. This technology allows for more precise and efficient production of dental restorations.
3. Dental implants: These are artificial tooth roots that are placed into the jawbone to replace missing teeth. They provide a stable foundation for dental restorations such as crowns, bridges, and dentures.
4. Intraoral cameras: These are small cameras that can be inserted into the mouth to capture detailed images of the teeth and gums. These images can be used for diagnosis, treatment planning, and patient education.
5. Laser dentistry: Dental lasers are used to perform a variety of procedures such as cavity preparation, gum contouring, and tooth whitening. They provide more precise and less invasive treatments compared to traditional dental tools.
6. 3D printing: This technology is used to create dental models, surgical guides, and custom-made dental restorations. It allows for more accurate and efficient production of dental products.

Overall, dental technology plays a crucial role in modern dentistry by improving the accuracy, efficiency, and quality of dental care.

Dental ethics refers to the principles and rules that guide the conduct of dental professionals in their interactions with patients, colleagues, and society. These ethical standards are designed to promote trust, respect, and fairness in dental care, and they are often based on fundamental ethical principles such as autonomy, beneficence, non-maleficence, and justice.

Autonomy refers to the patient's right to make informed decisions about their own health care, free from coercion or manipulation. Dental professionals have an obligation to provide patients with accurate information about their dental conditions and treatment options, so that they can make informed choices about their care.

Beneficence means acting in the best interests of the patient, and doing what is medically necessary and appropriate to promote their health and well-being. Dental professionals have a duty to provide high-quality care that meets accepted standards of practice, and to use evidence-based treatments that are likely to be effective.

Non-maleficence means avoiding harm to the patient. Dental professionals must take reasonable precautions to prevent injuries or complications during treatment, and they should avoid providing unnecessary or harmful treatments.

Justice refers to fairness and equity in the distribution of dental resources and services. Dental professionals have an obligation to provide care that is accessible, affordable, and culturally sensitive, and to advocate for policies and practices that promote health equity and social justice.

Dental ethics also encompasses issues related to patient confidentiality, informed consent, research integrity, professional competence, and boundary violations. Dental professionals are expected to adhere to ethical guidelines established by their professional organizations, such as the American Dental Association (ADA) or the British Dental Association (BDA), and to comply with relevant laws and regulations governing dental practice.

Absorbable implants are medical devices that are designed to be placed inside the body during a surgical procedure, where they provide support, stabilization, or other functions, and then gradually break down and are absorbed by the body over time. These implants are typically made from materials such as polymers, proteins, or ceramics that have been engineered to degrade at a controlled rate, allowing them to be resorbed and eliminated from the body without the need for a second surgical procedure to remove them.

Absorbable implants are often used in orthopedic, dental, and plastic surgery applications, where they can help promote healing and support tissue regeneration. For example, absorbable screws or pins may be used to stabilize fractured bones during the healing process, after which they will gradually dissolve and be absorbed by the body. Similarly, absorbable membranes may be used in dental surgery to help guide the growth of new bone and gum tissue around an implant, and then be resorbed over time.

It's important to note that while absorbable implants offer several advantages over non-absorbable materials, such as reduced risk of infection and improved patient comfort, they may also have some limitations. For example, the mechanical properties of absorbable materials may not be as strong as those of non-absorbable materials, which could affect their performance in certain applications. Additionally, the degradation products of absorbable implants may cause local inflammation or other adverse reactions in some patients. As with any medical device, the use of absorbable implants should be carefully considered and discussed with a qualified healthcare professional.

A "Dental Service, Hospital" is a specialized department or unit within a hospital that provides comprehensive dental care services to patients. This type of service is typically equipped with advanced dental technology and staffed by oral health professionals such as dentists, oral surgeons, orthodontists, endodontists, periodontists, and dental hygienists.

The dental services offered in a hospital setting may include preventive care, restorative treatments, oral surgery, prosthodontics (dentures and implants), periodontal therapy, endodontic treatment (root canals), orthodontic treatment, and specialized care for patients with medical conditions that affect their oral health.

Hospital dental services often provide care to patients who require complex or extensive dental treatments, have medical conditions that make it difficult to receive dental care in a traditional dental office setting, or those who are recovering from surgery or other medical procedures. They may also provide emergency dental care for patients with severe dental pain, infection, or trauma.

In summary, a "Dental Service, Hospital" is a specialized unit within a hospital that provides comprehensive dental care services to patients, typically offering advanced technology and staffed by oral health professionals.

A dentist is a healthcare professional who specializes in the diagnosis, prevention, and treatment of diseases and conditions that affect the oral cavity and maxillofacial region. This includes the teeth, gums, jaw, and related structures. Dentists are trained to provide a wide range of services, including:

1. Routine dental exams and cleanings
2. Fillings, crowns, and other restorative treatments
3. Root canals and extractions
4. Dental implants and dentures
5. Orthodontic treatment (braces, aligners)
6. Treatment of gum disease
7. Oral cancer screenings
8. Cosmetic dental procedures (teeth whitening, veneers)
9. Management of temporomandibular joint disorders (TMJ)
10. Emergency dental care

To become a dentist, one must complete a Doctor of Dental Surgery (DDS) or Doctor of Medical Dentistry (DMD) degree from an accredited dental school and pass written and clinical exams to obtain licensure in their state. Many dentists also choose to specialize in a particular area of dentistry, such as orthodontics, oral surgery, or pediatric dentistry, by completing additional training and residency programs.

Dura Mater: The tough, outer membrane that covers the brain and spinal cord.

Hydroxyapatite: A naturally occurring mineral form of calcium apatite, also known as dahllite, with the formula Ca5(PO4)3(OH), is the primary mineral component of biological apatites found in bones and teeth.

Therefore, "Durapatite" isn't a recognized medical term, but it seems like it might be a combination of "dura mater" and "hydroxyapatite." If you meant to ask about a material used in medical or dental applications that combines properties of both dura mater and hydroxyapatite, please provide more context.

A dental society is a professional organization composed of dentists who have come together to promote and advance the practice of dentistry. These societies can be local, regional, national or international in scope and may include general dentists as well as specialists in various fields of dentistry. The members of dental societies often engage in continuing education, advocacy, research, and community service activities to improve oral health and the delivery of dental care. Additionally, dental societies may establish guidelines for ethical practice and provide resources and support for their members.

Dental health surveys are epidemiological studies that aim to assess the oral health status and related behaviors of a defined population at a particular point in time. These surveys collect data on various aspects of oral health, including the prevalence and severity of dental diseases such as caries (tooth decay), periodontal disease (gum disease), and oral cancer. They also gather information on factors that influence oral health, such as dietary habits, oral hygiene practices, access to dental care, and socioeconomic status.

The data collected in dental health surveys are used to identify trends and patterns in oral health, plan and evaluate public health programs and policies, and allocate resources for oral health promotion and disease prevention. Dental health surveys may be conducted at the local, regional, or national level, and they can target specific populations such as children, adolescents, adults, or older adults.

The methods used in dental health surveys include clinical examinations, interviews, questionnaires, and focus groups. Clinical examinations are conducted by trained dentists or dental hygienists who follow standardized protocols to assess the oral health status of participants. Interviews and questionnaires are used to collect information on demographic characteristics, oral health behaviors, and attitudes towards oral health. Focus groups can provide insights into the perceptions and experiences of participants regarding oral health issues.

Overall, dental health surveys play a critical role in monitoring and improving the oral health of populations and reducing oral health disparities.

I'm sorry for any confusion, but "Finite Element Analysis" (FEA) is not a medical term. It is a computational technique used in engineering and physical sciences. FEA is a computerized method for predicting how a product reacts to real-world forces, vibration, heat, fluid flow, and other physical effects. It's a way that engineers can simulate the performance of a product or system before it is built, which can help reduce costs, improve quality, and shorten the development time.

However, in a medical context, FEA might be used in the field of biomechanical engineering to analyze the mechanical behavior of biological systems, such as bones, joints, or soft tissues, under various loads and conditions. This can help researchers and clinicians better understand the mechanisms of injury, disease, or the effects of treatment, and develop more effective prevention, diagnostic, or therapeutic strategies.

Dental fluorosis is a developmental disturbance of dental enamel caused by excessive exposure to fluoride during tooth development. It is characterized by hypomineralization of the enamel, resulting in various appearances ranging from barely noticeable white spots to brown staining and pitting of the teeth. The severity depends on the amount, duration, and timing of fluoride intake, as well as individual susceptibility. Mild dental fluorosis is typically asymptomatic but can affect the appearance of teeth, while severe cases may cause tooth sensitivity and increased susceptibility to tooth decay.

Dental laboratories are specialized facilities where dental technicians create and manufacture various dental restorations and appliances based on the specific measurements, models, and instructions provided by dentists. These custom-made dental products are designed to restore or replace damaged, missing, or decayed teeth, improve oral function, and enhance the overall appearance of a patient's smile.

Some common dental restorations and appliances produced in dental laboratories include:

1. Dental crowns: Artificial caps that cover and protect damaged or weakened teeth, often made from ceramics, porcelain, metal alloys, or a combination of materials.
2. Dental bridges: Fixed or removable appliances used to replace one or more missing teeth by connecting artificial teeth (pontics) to adjacent natural teeth or dental implants.
3. Dentures: Removable prosthetic devices that replace all or most of the upper and/or lower teeth, providing improved chewing function, speech clarity, and aesthetics.
4. Orthodontic appliances: Devices used to correct malocclusions (improper bites) and misaligned teeth, such as traditional braces, clear aligners, palatal expanders, and retainers.
5. Custom dental implant components: Specialized parts designed for specific implant systems, which are used in conjunction with dental implants to replace missing teeth permanently.
6. Night guards and occlusal splints: Protective devices worn during sleep to prevent or manage bruxism (teeth grinding) and temporomandibular joint disorders (TMD).
7. Anti-snoring devices: Mandibular advancement devices that help reduce snoring by holding the lower jaw in a slightly forward position, preventing airway obstruction during sleep.
8. Dental whitening trays: Custom-fitted trays used to hold bleaching gel against tooth surfaces for professional teeth whitening treatments.
9. Specialty restorations: Including aesthetic veneers, inlays, onlays, and other customized dental solutions designed to meet specific patient needs.

Dental laboratories may be standalone facilities or part of a larger dental practice. They are typically staffed by skilled technicians who specialize in various aspects of dental technology, such as ceramics, orthodontics, implantology, and prosthodontics. Collaboration between dentists, dental specialists, and laboratory technicians ensures the highest quality results for patients undergoing restorative or cosmetic dental treatments.

The fibula is a slender bone located in the lower leg of humans and other vertebrates. It runs parallel to the larger and more robust tibia, and together they are known as the bones of the leg or the anterior tibial segment. The fibula is the lateral bone in the leg, positioned on the outside of the tibia.

In humans, the fibula extends from the knee joint proximally to the ankle joint distally. Its proximal end, called the head of the fibula, articulates with the lateral condyle of the tibia and forms part of the inferior aspect of the knee joint. The narrowed portion below the head is known as the neck of the fibula.

The shaft of the fibula, also called the body of the fibula, is a long, thin structure that descends from the neck and serves primarily for muscle attachment rather than weight-bearing functions. The distal end of the fibula widens to form the lateral malleolus, which is an important bony landmark in the ankle region. The lateral malleolus articulates with the talus bone of the foot and forms part of the ankle joint.

The primary functions of the fibula include providing attachment sites for muscles that act on the lower leg, ankle, and foot, as well as contributing to the stability of the ankle joint through its articulation with the talus bone. Fractures of the fibula can occur due to various injuries, such as twisting or rotational forces applied to the ankle or direct trauma to the lateral aspect of the lower leg.

Dental licensure is the process by which a state or jurisdiction grants a dental professional the authority to practice dentistry within its borders. In order to obtain a dental license, individuals must meet certain education, examination, and other requirements established by the licensing body. These requirements typically include graduation from an accredited dental school, passing written and clinical examinations, and completion of continuing education courses.

The purpose of dental licensure is to protect the public by ensuring that dental professionals have the necessary knowledge, skills, and abilities to provide safe and effective dental care. Licensing boards are responsible for enforcing standards of practice and disciplining dentists who engage in unprofessional or unethical conduct.

It's important to note that dental licensure requirements may vary from state to state, so it's essential for dental professionals to familiarize themselves with the specific requirements of the state(s) in which they intend to practice.

Denture identification marking refers to the process or practice of inscribing a unique identifier, such as a name, initials, or a serial number, on a dental prosthesis (dentures). This is done to help identify and distinguish one person's dentures from another's, particularly in situations where multiple patients may require dentures or in cases of confusion or loss. It can also assist in the return of lost or misplaced dentures to their rightful owner.

The marking can be done using various methods such as engraving, laser etching, or casting the identifier into the denture base material during its manufacture. However, it is important to comply with local regulations and professional guidelines when adding identification marks to dental prostheses, as there may be restrictions on what information can be included and how it should be displayed.

A tooth root is the part of a tooth that is embedded in the jawbone and cannot be seen when looking at a person's smile. It is the lower portion of a tooth that typically has a conical shape and anchors the tooth to the jawbone through a periodontal ligament. The tooth root is covered by cementum, a specialized bone-like tissue, and contains nerve endings and blood vessels within its pulp chamber.

The number of roots in a tooth can vary depending on the type of tooth. For example, incisors typically have one root, canines may have one or two roots, premolars usually have one or two roots, and molars often have two to four roots. The primary function of the tooth root is to provide stability and support for the crown of the tooth, allowing it to withstand the forces of biting and chewing.

Nitric acid is not a medical term, but it is a chemical compound with the formula HNO3. It is a highly corrosive mineral acid and is the primary constituent of nitric acid solutions.

Medically, nitric acid or its salts may be mentioned in the context of certain medical conditions or treatments. For example, nitrate or nitrite salts of potassium or sodium can be used as vasodilators to treat angina pectoris (chest pain) by improving blood flow and reducing oxygen demand in the heart muscle. Nitric acid itself is not used medically.

It's important to note that exposure to nitric acid can cause severe burns and tissue damage, so it should be handled with care and appropriate personal protective equipment.

Dental specialties are recognized areas of expertise in dental practice that require additional training and education beyond the general dentist degree. The American Dental Association (ADA) recognizes nine dental specialties:

1. Dental Public Health: This specialty focuses on preventing oral diseases and promoting oral health through population-level interventions, research, and policy development.
2. Endodontics: Endodontists are experts in diagnosing and treating tooth pain and performing root canal treatments to save infected or damaged teeth.
3. Oral and Maxillofacial Pathology: This specialty involves the diagnosis and management of diseases that affect the oral cavity, jaws, and face, using clinical, radiographic, and microscopic examination techniques.
4. Oral and Maxillofacial Radiology: Oral and maxillofacial radiologists use advanced imaging technologies to diagnose and manage conditions affecting the head and neck region.
5. Oral and Maxillofacial Surgery: Oral surgeons perform surgical procedures on the face, jaws, and mouth, including tooth extractions, jaw alignment surgeries, and cancer treatments.
6. Orthodontics and Dentofacial Orthopedics: Orthodontists specialize in diagnosing and treating dental and facial irregularities, using appliances such as braces and aligners to straighten teeth and correct bite problems.
7. Pediatric Dentistry: Pediatric dentists are trained to care for the oral health needs of children, including those with special health care needs.
8. Periodontics: Periodontists diagnose and treat gum diseases, place dental implants, and perform surgical procedures to regenerate lost tissue and bone support around teeth.
9. Prosthodontics: Prosthodontists are experts in replacing missing teeth and restoring damaged or worn-out teeth using crowns, bridges, dentures, and implant-supported restorations.

Dental fees refer to the charges that dentists or dental professionals bill for their services, procedures, or treatments. These fees can vary based on several factors such as:

1. Location: Dental fees may differ depending on the region or country where the dental practice is located due to differences in cost of living and local market conditions.
2. Type of procedure: The complexity and duration of a dental treatment will impact the fee charged for that service. For example, a simple teeth cleaning will have a lower fee compared to more complex procedures like root canals or dental implants.
3. Dental professional's expertise and experience: Highly skilled and experienced dentists may charge higher fees due to their superior level of knowledge and proficiency in performing various dental treatments.
4. Type of dental practice: Fees for dental services at a private practice may differ from those charged by a community health center or non-profit organization.
5. Dental insurance coverage: The amount of coverage provided by a patient's dental insurance plan can also affect the final out-of-pocket cost for dental care, which in turn influences the fees that dentists charge.

Dental fee schedules are typically established by individual dental practices based on these factors and may be periodically updated to reflect changes in costs or market conditions. Patients should consult their dental providers to understand the specific fees associated with any recommended treatments or procedures.

Cochlear implantation is a surgical procedure in which a device called a cochlear implant is inserted into the inner ear (cochlea) of a person with severe to profound hearing loss. The implant consists of an external component, which includes a microphone, processor, and transmitter, and an internal component, which includes a receiver and electrode array.

The microphone picks up sounds from the environment and sends them to the processor, which analyzes and converts the sounds into electrical signals. These signals are then transmitted to the receiver, which stimulates the electrode array in the cochlea. The electrodes directly stimulate the auditory nerve fibers, bypassing the damaged hair cells in the inner ear that are responsible for normal hearing.

The brain interprets these electrical signals as sound, allowing the person to perceive and understand speech and other sounds. Cochlear implantation is typically recommended for people who do not benefit from traditional hearing aids and can significantly improve communication, quality of life, and social integration for those with severe to profound hearing loss.

Medical Device Legislation refers to the laws, regulations, and guidelines that govern the development, manufacturing, marketing, distribution, use, and post-market surveillance of medical devices. These laws aim to ensure the safety, efficacy, and quality of medical devices, as well as to protect public health. They cover various aspects such as:

1. Classification of medical devices based on risk levels
2. Clinical evaluation, performance testing, and technical documentation requirements for device approval or clearance
3. Quality management systems and good manufacturing practices for device manufacturers
4. Labeling, advertising, and promotion restrictions to prevent false or misleading claims
5. Post-market surveillance, vigilance, and incident reporting obligations for manufacturers and regulatory authorities
6. Importation, distribution, and sales controls to prevent unauthorized devices from entering the market
7. Penalties and sanctions for non-compliance with medical device regulations

Medical Device Legislation varies across different countries and regions, reflecting national healthcare priorities, risk tolerance, and legal frameworks. Examples of prominent medical device legislations include the US Food and Drug Administration (FDA) regulations, the European Union Medical Device Regulation (EU MDR), and the Japanese Pharmaceuticals and Medical Devices Agency (PMDA) guidelines.

A dental technician is a healthcare professional who designs, fabricates, and repairs custom-made dental devices, such as dentures, crowns, bridges, orthodontic appliances, and implant restorations. They work closely with dentists and other oral health professionals to meet the individual needs of each patient. Dental technicians typically have an associate's degree or certificate in dental technology and may be certified by a professional organization. Their work requires a strong understanding of dental materials, fabrication techniques, and the latest advances in dental technology.

According to the American Academy of Periodontology, periodontal diseases are chronic inflammatory conditions that affect the tissues surrounding and supporting the teeth. These tissues include the gums, periodontal ligament, and alveolar bone. The primary cause of periodontal disease is bacterial plaque, a sticky film that constantly forms on our teeth.

There are two major stages of periodontal disease:

1. Gingivitis: This is the milder form of periodontal disease, characterized by inflammation of the gums (gingiva) without loss of attachment to the teeth. The gums may appear red, swollen, and bleed easily during brushing or flossing. At this stage, the damage can be reversed with proper dental care and improved oral hygiene.
2. Periodontitis: If left untreated, gingivitis can progress to periodontitis, a more severe form of periodontal disease. In periodontitis, the inflammation extends beyond the gums and affects the deeper periodontal tissues, leading to loss of bone support around the teeth. Pockets filled with infection-causing bacteria form between the teeth and gums, causing further damage and potential tooth loss if not treated promptly.

Risk factors for developing periodontal disease include poor oral hygiene, smoking or using smokeless tobacco, genetic predisposition, diabetes, hormonal changes (such as pregnancy or menopause), certain medications, and systemic diseases like AIDS or cancer. Regular dental check-ups and good oral hygiene practices are crucial for preventing periodontal disease and maintaining overall oral health.

Practice management in dentistry refers to the administration and operation of a dental practice. It involves various aspects such as:

1. Business Operations: This includes financial management, billing and coding, human resources, and office management.

2. Patient Care: This includes scheduling appointments, managing patient records, treatment planning, and ensuring quality care.

3. Marketing and Promotion: This includes advertising the practice, attracting new patients, and maintaining relationships with existing ones.

4. Compliance: This includes adhering to laws and regulations related to dental practices, such as HIPAA for patient privacy and OSHA for workplace safety.

5. Continuous Improvement: This involves regularly assessing the practice's performance, implementing changes to improve efficiency and effectiveness, and keeping up-to-date with advancements in dentistry and healthcare management.

The goal of dental practice management is to ensure the smooth running of the practice, provide high-quality patient care, and maintain a successful and profitable business.

Corrosion is a process of deterioration or damage to a material, usually a metal, caused by chemical reactions with its environment. In the medical context, corrosion may refer to the breakdown and destruction of living tissue due to exposure to harsh substances or environmental conditions. This can occur in various parts of the body, such as the skin, mouth, or gastrointestinal tract, and can be caused by factors like acid reflux, infection, or exposure to chemicals.

In the case of medical devices made of metal, corrosion can also refer to the degradation of the device due to chemical reactions with bodily fluids or tissues. This can compromise the function and safety of the device, potentially leading to complications or failure. Therefore, understanding and preventing corrosion is an important consideration in the design and use of medical devices made of metal.

The dental sac, also known as the dental follicle, is a soft tissue structure that surrounds the developing tooth crown during odontogenesis, which is the process of tooth development. It is derived from the ectoderm and mesenchyme of the embryonic oral cavity. The dental sac gives rise to several important structures associated with the tooth, including the periodontal ligament, cementum, and the alveolar bone that surrounds and supports the tooth in the jaw.

The dental sac plays a critical role in tooth development by regulating the mineralization of the tooth crown and providing a protective environment for the developing tooth. It also contains cells called odontoblasts, which are responsible for producing dentin, one of the hard tissues that make up the tooth. Abnormalities in the development or growth of the dental sac can lead to various dental anomalies, such as impacted teeth, dilacerated roots, and other developmental disorders.

The facial bones, also known as the facial skeleton, are a series of bones that make up the framework of the face. They include:

1. Frontal bone: This bone forms the forehead and the upper part of the eye sockets.
2. Nasal bones: These two thin bones form the bridge of the nose.
3. Maxilla bones: These are the largest bones in the facial skeleton, forming the upper jaw, the bottom of the eye sockets, and the sides of the nose. They also contain the upper teeth.
4. Zygomatic bones (cheekbones): These bones form the cheekbones and the outer part of the eye sockets.
5. Palatine bones: These bones form the back part of the roof of the mouth, the side walls of the nasal cavity, and contribute to the formation of the eye socket.
6. Inferior nasal conchae: These are thin, curved bones that form the lateral walls of the nasal cavity and help to filter and humidify air as it passes through the nose.
7. Lacrimal bones: These are the smallest bones in the skull, located at the inner corner of the eye socket, and help to form the tear duct.
8. Mandible (lower jaw): This is the only bone in the facial skeleton that can move. It holds the lower teeth and forms the chin.

These bones work together to protect vital structures such as the eyes, brain, and nasal passages, while also providing attachment points for muscles that control chewing, expression, and other facial movements.

Scanning electron microscopy (SEM) is a type of electron microscopy that uses a focused beam of electrons to scan the surface of a sample and produce a high-resolution image. In SEM, a beam of electrons is scanned across the surface of a specimen, and secondary electrons are emitted from the sample due to interactions between the electrons and the atoms in the sample. These secondary electrons are then detected by a detector and used to create an image of the sample's surface topography. SEM can provide detailed images of the surface of a wide range of materials, including metals, polymers, ceramics, and biological samples. It is commonly used in materials science, biology, and electronics for the examination and analysis of surfaces at the micro- and nanoscale.

Dental esthetics refers to the branch of dentistry concerned with the aesthetic appearance of teeth and smile. It involves the use of various dental treatments and procedures to improve the color, shape, alignment, and position of teeth, thereby enhancing the overall facial appearance and self-confidence of a person. Some common dental esthetic treatments include tooth whitening, dental veneers, composite bonding, orthodontic treatment (braces), and dental implants. It is important to note that dental esthetics not only focuses on improving the appearance but also maintaining or improving oral health and function.

A surgical flap is a specialized type of surgical procedure where a section of living tissue (including skin, fat, muscle, and/or blood vessels) is lifted from its original site and moved to another location, while still maintaining a blood supply through its attached pedicle. This technique allows the surgeon to cover and reconstruct defects or wounds that cannot be closed easily with simple suturing or stapling.

Surgical flaps can be classified based on their vascularity, type of tissue involved, or method of transfer. The choice of using a specific type of surgical flap depends on the location and size of the defect, the patient's overall health, and the surgeon's expertise. Some common types of surgical flaps include:

1. Random-pattern flaps: These flaps are based on random blood vessels within the tissue and are typically used for smaller defects in areas with good vascularity, such as the face or scalp.
2. Axial pattern flaps: These flaps are designed based on a known major blood vessel and its branches, allowing them to cover larger defects or reach distant sites. Examples include the radial forearm flap and the anterolateral thigh flap.
3. Local flaps: These flaps involve tissue adjacent to the wound and can be further classified into advancement, rotation, transposition, and interpolation flaps based on their movement and orientation.
4. Distant flaps: These flaps are harvested from a distant site and then transferred to the defect after being tunneled beneath the skin or through a separate incision. Examples include the groin flap and the latissimus dorsi flap.
5. Free flaps: In these flaps, the tissue is completely detached from its original blood supply and then reattached at the new site using microvascular surgical techniques. This allows for greater flexibility in terms of reach and placement but requires specialized expertise and equipment.

Surgical flaps play a crucial role in reconstructive surgery, helping to restore form and function after trauma, tumor removal, or other conditions that result in tissue loss.

X-ray microtomography, often referred to as micro-CT, is a non-destructive imaging technique used to visualize and analyze the internal structure of objects with high spatial resolution. It is based on the principles of computed tomography (CT), where multiple X-ray images are acquired at different angles and then reconstructed into cross-sectional slices using specialized software. These slices can be further processed to create 3D visualizations, allowing researchers and clinicians to examine the internal structure and composition of samples in great detail. Micro-CT is widely used in materials science, biology, medicine, and engineering for various applications such as material characterization, bone analysis, and defect inspection.

Dentistry is the branch of medicine that is concerned with the examination, diagnosis, prevention, and treatment of diseases, disorders, and conditions of the oral cavity (mouth), including the teeth, gums, and other supporting structures. Dentists use a variety of treatments and procedures to help patients maintain good oral health and prevent dental problems from developing or worsening. These may include:

* Routine cleanings and checkups to remove plaque and tartar and detect any potential issues early on
* Fillings, crowns, and other restorative treatments to repair damaged teeth
* Root canal therapy to treat infected or inflamed tooth pulp
* Extractions of severely decayed or impacted teeth
* Dentures, bridges, and implants to replace missing teeth
* Orthodontic treatment to align crooked or misaligned teeth
* Treatment for temporomandibular joint (TMJ) disorders and other issues affecting the jaw and surrounding muscles

Dental health is an important part of overall health and well-being. Poor oral health has been linked to a variety of systemic conditions, including heart disease, diabetes, and respiratory infections. Regular dental checkups and good oral hygiene practices can help prevent these and other dental problems from developing.

Gingiva is the medical term for the soft tissue that surrounds the teeth and forms the margin of the dental groove, also known as the gum. It extends from the mucogingival junction to the base of the cervical third of the tooth root. The gingiva plays a crucial role in protecting and supporting the teeth and maintaining oral health by providing a barrier against microbial invasion and mechanical injury.

Reconstructive surgical procedures are a type of surgery aimed at restoring the form and function of body parts that are defective or damaged due to various reasons such as congenital abnormalities, trauma, infection, tumors, or disease. These procedures can involve the transfer of tissue from one part of the body to another, manipulation of bones, muscles, and tendons, or use of prosthetic materials to reconstruct the affected area. The goal is to improve both the physical appearance and functionality of the body part, thereby enhancing the patient's quality of life. Examples include breast reconstruction after mastectomy, cleft lip and palate repair, and treatment of severe burns.

Osteogenesis is the process of bone formation or development. It involves the differentiation and maturation of osteoblasts, which are bone-forming cells that synthesize and deposit the organic matrix of bone tissue, composed mainly of type I collagen. This organic matrix later mineralizes to form the inorganic crystalline component of bone, primarily hydroxyapatite.

There are two primary types of osteogenesis: intramembranous and endochondral. Intramembranous osteogenesis occurs directly within connective tissue, where mesenchymal stem cells differentiate into osteoblasts and form bone tissue without an intervening cartilage template. This process is responsible for the formation of flat bones like the skull and clavicles.

Endochondral osteogenesis, on the other hand, involves the initial development of a cartilaginous model or template, which is later replaced by bone tissue. This process forms long bones, such as those in the limbs, and occurs through several stages involving chondrocyte proliferation, hypertrophy, and calcification, followed by invasion of blood vessels and osteoblasts to replace the cartilage with bone tissue.

Abnormalities in osteogenesis can lead to various skeletal disorders and diseases, such as osteogenesis imperfecta (brittle bone disease), achondroplasia (a form of dwarfism), and cleidocranial dysplasia (a disorder affecting skull and collarbone development).

Equipment safety in a medical context refers to the measures taken to ensure that medical equipment is free from potential harm or risks to patients, healthcare providers, and others who may come into contact with the equipment. This includes:

1. Designing and manufacturing the equipment to meet safety standards and regulations.
2. Properly maintaining and inspecting the equipment to ensure it remains safe over time.
3. Providing proper training for healthcare providers on how to use the equipment safely.
4. Implementing safeguards, such as alarms and warnings, to alert users of potential hazards.
5. Conducting regular risk assessments to identify and address any potential safety concerns.
6. Reporting and investigating any incidents or accidents involving the equipment to determine their cause and prevent future occurrences.

Comprehensive dental care is a broad term that refers to a dental approach that involves the prevention, diagnosis, and treatment of a wide range of oral health issues. It aims to provide patients with complete and optimal oral health care, including:

1. Oral examination and assessment: This includes a thorough examination of the patient's oral cavity, head, and neck to identify any existing dental problems or potential issues that may arise in the future.
2. Preventive care: Comprehensive dental care emphasizes preventive measures such as regular dental cleanings, fluoride treatments, and sealants to help protect against tooth decay and gum disease.
3. Restorative dentistry: If dental problems are identified, comprehensive dental care includes restorative treatments like fillings, crowns, bridges, or implants to restore the function and appearance of damaged teeth.
4. Periodontal (gum) treatment: Comprehensive dental care also addresses periodontal health through deep cleanings, scaling and root planing, and other therapies to manage gum disease.
5. Oral surgery: In some cases, comprehensive dental care may involve oral surgery procedures like tooth extractions or jaw realignment.
6. Endodontic (root canal) treatment: If the pulp of a tooth becomes infected or inflamed, endodontic treatment may be necessary to save the tooth and alleviate pain.
7. Prosthodontics: This includes the replacement of missing teeth with dentures, bridges, or implants.
8. Orthodontic care: Comprehensive dental care can also involve orthodontic treatments like braces or aligners to straighten misaligned teeth and improve bite.
9. Oral cancer screening: Regular oral cancer screenings are an essential part of comprehensive dental care, as early detection significantly increases the chances of successful treatment.
10. Patient education: Comprehensive dental care also focuses on educating patients about proper oral hygiene practices, nutrition, and lifestyle choices that can impact their oral health. This helps empower patients to take an active role in maintaining their oral health between appointments.

In summary, comprehensive dental care is a holistic approach to dental care that aims to provide complete and personalized oral health solutions for each patient, addressing all aspects of their oral health and promoting long-term wellbeing.

A tooth is a hard, calcified structure found in the jaws (upper and lower) of many vertebrates and used for biting and chewing food. In humans, a typical tooth has a crown, one or more roots, and three layers: the enamel (the outermost layer, hardest substance in the body), the dentin (the layer beneath the enamel), and the pulp (the innermost layer, containing nerves and blood vessels). Teeth are essential for proper nutrition, speech, and aesthetics. There are different types of teeth, including incisors, canines, premolars, and molars, each designed for specific functions in the mouth.

Dentist-patient relations refer to the professional relationship between a licensed dentist and their patient. This relationship is based on trust, communication, and ethical obligations. The dentist is responsible for providing competent and appropriate dental care while considering the patient's needs, preferences, and values. The patient, on the other hand, should be honest with their dentist regarding their medical history, oral health habits, and any concerns they may have. Effective dentist-patient relations are crucial in ensuring positive dental experiences, treatment compliance, and overall satisfaction with dental care.

A dental prosthesis is a device that replaces one or more missing teeth or parts of teeth to correct deficiencies in chewing ability, speech, and aesthetics. It can be removable or fixed (permanent) and can be made from various materials such as acrylic resin, porcelain, metal alloys, or a combination of these. Examples of dental prostheses include dentures, bridges, crowns, and implants.

Health education in the context of dentistry refers to the process of educating and informing individuals, families, and communities about oral health-related topics, including proper oral hygiene practices, the importance of regular dental checkups and cleanings, the risks and consequences of poor oral health, and the relationship between oral health and overall health. The goal of dental health education is to empower individuals to take control of their own oral health and make informed decisions about their dental care. This can be achieved through various methods such as lectures, demonstrations, printed materials, and interactive activities. Dental health education may also cover topics related to nutrition, tobacco and alcohol use, and the prevention and treatment of oral diseases and conditions.

Acid etching in dental terminology refers to a surface treatment technique used in dentistry, particularly for bonding procedures. This process involves the application of a mild acid (usually phosphoric or maleic acid) onto the enamel or dentin surface of a tooth. The acid etches the surface by selectively removing the minerals and creating microscopic irregularities or porosities.

This etched surface provides an increased surface area and better mechanical retention for bonding agents, resin composites, or dental cements. As a result, the bond between the tooth and the restorative material becomes stronger and more durable. Acid etching is widely used in various dental procedures such as direct and indirect tooth-colored restorations, veneers, crowns, bridges, and orthodontic attachments.

A nonvital tooth is one that no longer has a living or viable pulp, which contains the nerves and blood vessels inside the tooth. This condition can occur due to various reasons such as tooth decay that has progressed deeply into the tooth, dental trauma, or previous invasive dental procedures. As a result, the tooth loses its sensitivity to temperature changes and may darken in color. Nonvital teeth typically require root canal treatment to remove the dead pulp tissue, disinfect the canals, and fill them with an inert material to preserve the tooth structure and function.

"Torque" is not a term that has a specific medical definition. It is a physical concept used in the fields of physics and engineering, referring to a twisting force that causes rotation around an axis. However, in certain medical contexts, such as in discussions of spinal or joint biomechanics, the term "torque" may be used to describe a rotational force applied to a body part. But generally speaking, "torque" is not a term commonly used in medical terminology.

'Infection Control, Dental' refers to the practices and procedures implemented in dental settings to prevent the transmission of infectious agents from person to person, or from contaminated instruments, equipment, or environmental surfaces to patients or dental personnel. It includes a range of measures such as hand hygiene, use of personal protective equipment (e.g., gloves, masks, eyewear), sterilization and disinfection of instruments and equipment, safe injection practices, and environmental cleaning and disinfection. The goal of infection control in dentistry is to eliminate or minimize the risk of infectious diseases, such as HIV, hepatitis B and C, and tuberculosis, among others, being transmitted in dental settings.

The dental papilla is a type of tissue found in the developing tooth within the jawbone. It is composed of cells that will eventually differentiate into odontoblasts, which are the cells responsible for producing dentin, one of the main hard tissues that make up the tooth. The dental papilla is located in the center of the tooth germ and is surrounded by the dental follicle, another type of tissue that helps to form the tooth. As the tooth develops, the dental papilla becomes smaller and eventually forms the pulp chamber, which contains the blood vessels, nerves, and connective tissue that support and nourish the tooth.

Deafness is a hearing loss that is so severe that it results in significant difficulty in understanding or comprehending speech, even when using hearing aids. It can be congenital (present at birth) or acquired later in life due to various causes such as disease, injury, infection, exposure to loud noises, or aging. Deafness can range from mild to profound and may affect one ear (unilateral) or both ears (bilateral). In some cases, deafness may be accompanied by tinnitus, which is the perception of ringing or other sounds in the ears.

Deaf individuals often use American Sign Language (ASL) or other forms of sign language to communicate. Some people with less severe hearing loss may benefit from hearing aids, cochlear implants, or other assistive listening devices. Deafness can have significant social, educational, and vocational implications, and early intervention and appropriate support services are critical for optimal development and outcomes.

Guided Tissue Regeneration (GTR) in periodontics is a surgical procedure that aims to regenerate lost periodontal tissues, including the alveolar bone, cementum, and periodontal ligament, which have been destroyed due to periodontal disease. The goal of GTR is to restore the architectural relationship between these supporting structures and the tooth, thereby improving its prognosis and function.

The procedure involves placing a barrier membrane between the tooth root and the surrounding soft tissues, creating a protected space that allows for the selective growth of periodontal cells. The membrane acts as a physical barrier to prevent the ingrowth of epithelial cells and fibroblasts from the oral mucosa, which can interfere with the regeneration process.

The membrane can be either resorbable or non-resorbable, depending on the clinical situation and surgeon's preference. Resorbable membranes are made of materials that degrade over time, while non-resorbable membranes require a second surgical procedure for removal. The choice of membrane material and configuration depends on various factors such as the size and location of the defect, patient's medical history, and surgeon's experience.

GTR has been shown to be effective in treating intrabony defects, furcation involvements, and class II function defects, among others. However, its success depends on various factors such as patient selection, surgical technique, membrane type and placement, and postoperative care.

Oral health is the scientific term used to describe the overall health status of the oral and related tissues, including the teeth, gums, palate, tongue, and mucosal lining. It involves the absence of chronic mouth and facial pain, oral and pharyngeal (throat) cancers, oral soft tissue lesions, birth defects such as cleft lip and palate, and other diseases and disorders that affect the oral cavity.

Good oral health also means being free of decay, gum disease, and other oral infections that can damage the teeth, gums, and bones of the mouth. It is essential to maintain good oral hygiene through regular brushing, flossing, and dental check-ups to prevent dental caries (cavities) and periodontal disease (gum disease).

Additionally, oral health is closely linked to overall health and well-being. Poor oral health has been associated with various systemic diseases, including diabetes, cardiovascular disease, respiratory infections, and stroke. Therefore, maintaining good oral health can contribute to improved general health and quality of life.

Dental instruments are specialized tools that dentists, dental hygienists, and other oral healthcare professionals use to examine, clean, and treat teeth and gums. These instruments come in various shapes and sizes, and each one is designed for a specific purpose. Here are some common dental instruments and their functions:

1. Mouth mirror: A small, handheld mirror used to help the dentist see hard-to-reach areas of the mouth and reflect light onto the teeth and gums.
2. Explorer: A sharp, hooked instrument used to probe teeth and detect cavities, tartar, or other dental problems.
3. Sickle scaler: A curved, sharp-edged instrument used to remove calculus (tartar) from the tooth surface.
4. Periodontal probe: A blunt, calibrated instrument used to measure the depth of periodontal pockets and assess gum health.
5. Dental syringe: A device used to inject local anesthesia into the gums before dental procedures.
6. High-speed handpiece: Also known as a dental drill, it is used to remove decay, shape teeth, or prepare them for fillings and other restorations.
7. Low-speed handpiece: A slower, quieter drill used for various procedures, such as placing crowns or veneers.
8. Suction tip: A thin tube that removes saliva, water, and debris from the mouth during dental procedures.
9. Cotton rolls: Small squares of cotton used to isolate teeth, absorb fluids, and protect soft tissues during dental treatments.
10. Dental forceps: Specialized pliers used to remove teeth or hold them in place while restorations are being placed.
11. Elevators: Curved, wedge-shaped instruments used to loosen or lift teeth out of their sockets.
12. Rubber dam: A thin sheet of rubber or latex that isolates a specific tooth or area during dental treatment, keeping it dry and free from saliva and debris.

These are just a few examples of the many dental instruments used in modern dentistry. Each one plays an essential role in maintaining oral health and providing effective dental care.

Tooth diseases are conditions that affect the teeth and can cause discomfort, pain, and even loss of teeth if left untreated. These diseases can be caused by various factors such as poor oral hygiene, bacterial infections, trauma, genetics, and certain medical conditions. Some common tooth diseases include:

1. Dental caries (tooth decay): This is a breakdown of the tooth enamel due to the action of acid-producing bacteria that feed on sugars and starches in the mouth. Over time, this can lead to cavities or holes in the teeth.
2. Gingivitis: This is an inflammation of the gums caused by the buildup of plaque and tartar at the gum line. If left untreated, gingivitis can progress to periodontitis, a more serious form of gum disease that can cause tooth loss.
3. Periodontitis: This is a severe infection of the gums and bones that support the teeth. It is caused by the buildup of plaque and tartar, which leads to the destruction of the tissue and bone that hold the teeth in place.
4. Abscess: This is a pocket of pus that forms in the tooth or gum due to a bacterial infection. An abscess can cause pain, swelling, and fever, and may require antibiotics or surgical drainage.
5. Tooth erosion: This is the loss of tooth structure due to acid wear, which can be caused by factors such as diet, stomach acid, and teeth grinding.
6. Hypersensitivity: This is a condition in which the teeth become sensitive to hot, cold, or sweet foods and drinks. It can be caused by factors such as gum recession, tooth decay, and tooth wear.
7. Oral cancer: This is a type of cancer that affects the mouth, lips, tongue, or throat. It can cause symptoms such as sores, lumps, or difficulty swallowing, and may require surgery, radiation therapy, or chemotherapy for treatment.

A dental audit is a systematic review and evaluation of the dental records, procedures, and care provided by a dentist or dental practice. The purpose of a dental audit is to assess the quality of care, identify any areas for improvement, and ensure that appropriate policies and procedures are being followed. This can include reviews of patient records, treatment plans, billing practices, and adherence to infection control guidelines.

The results of a dental audit may be used to improve the quality of care provided to patients, reduce the risk of errors or complications, and ensure compliance with regulatory requirements. Dental audits may be conducted internally by dental practices themselves, or externally by dental organizations, insurance companies, or government agencies.

Three-dimensional (3D) imaging in medicine refers to the use of technologies and techniques that generate a 3D representation of internal body structures, organs, or tissues. This is achieved by acquiring and processing data from various imaging modalities such as X-ray computed tomography (CT), magnetic resonance imaging (MRI), ultrasound, or confocal microscopy. The resulting 3D images offer a more detailed visualization of the anatomy and pathology compared to traditional 2D imaging techniques, allowing for improved diagnostic accuracy, surgical planning, and minimally invasive interventions.

In 3D imaging, specialized software is used to reconstruct the acquired data into a volumetric model, which can be manipulated and viewed from different angles and perspectives. This enables healthcare professionals to better understand complex anatomical relationships, detect abnormalities, assess disease progression, and monitor treatment response. Common applications of 3D imaging include neuroimaging, orthopedic surgery planning, cancer staging, dental and maxillofacial reconstruction, and interventional radiology procedures.

Dental waste refers to the byproducts and discarded materials generated from dental treatments and procedures. This can include:

1. Amalgam waste: This consists of a mixture of metals, including mercury, used to fill dental cavities.
2. Sharps waste: Includes needles, scalpel blades, and other sharp instruments used in dental procedures.
3. Infectious waste: Materials that have been contaminated with blood or other bodily fluids during dental treatments, such as gloves, gauze, and used dental bibs.
4. Pharmaceutical waste: Unused or expired medications, including analgesics, antibiotics, and anesthetics.
5. Chemical waste: Includes fixer and developer solutions used in developing X-rays, as well as disinfectants and other chemicals used in dental practices.
6. Radioactive waste: Dental X-ray film packets and lead foil from X-ray processing.

Proper management and disposal of dental waste is essential to protect public health and the environment. Regulations governing dental waste disposal vary by location, so it's important for dental practices to be aware of and comply with local requirements.

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Mauck , Parker Teeth Whitening , Dental Implants Centennial , D'Amico and Mauck, DDS:". D'Amico and Mauck, DDS. 2012. Retrieved ...
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Assessment of dental implant stability in osseodistraction-generated bone: a resonance frequency analysis. Clin Oral Implants ... in dental implants. The stability is presented as an implant stability quotient (ISQ) value. The higher the ISQ value the ... Journal of Dental Implants. 4 (2): 165-169. doi:10.4103/0974-6781.140891. Sennerby Lars (2008). "Implant stability measurements ... "Implant stability change and osseointegration speed of immediately loaded photofunctionalized implants" (PDF). Implant ...
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Ramírez, G.; Rodil, S.E.; Arzate, H.; Muhl, S.; Olaya, J.J. (January 2011). "Niobium based coatings for dental implants". ... 05-14-02) Preventing Adverse Health Effects From Exposure to Beryllium in Dental Laboratories Sun, Hongzhe; Li, Hougyan; Sadler ... Colon, Pierre; Pradelle-Plasse, Nelly; Galland, Jacques (2003). "Evaluation of the long-term corrosion behavior of dental ... "Potential Use of Porous Titanium-Niobium Alloy in Orthopedic Implants: Preparation and Experimental Study of Its ...
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Early wound healing adjacent to endosseous dental implants: A review of the literature. Int. J. Oral Maxillofac. Implants., ... living bone and the surface of a load-carrying implant." In the case of dental implants, they osseointegrate. Porous ... Guided tissue and/or bone regeneration may be necessary before the bone can osseointegrate with the dental implant. In this ... Three-dimensional, porous implantable materials used in the orthopedic and dental implant industries offer the potential for ...
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... a crown or a dental cap is a type of dental restoration that completely caps or encircles a tooth or dental implant. A crown ... ISBN 978-953-51-3593-7. Media related to Dental crowns at Wikimedia Commons Dental Health: Dental Crowns Videos from Sheffield ... Restore the visible portion of a single dental implant. Traditionally, it has been proposed that teeth which have undergone ... "CROWNS, FIXED BRIDGES AND DENTAL IMPLANTS GUIDELINES" (PDF). bsrd.org.uk. Archived from the original (PDF) on 2018-06-13. ...
Early modern dental implant technology consisted of blade and transosteal implants. Blade implants, introduced in 1967, ... He died in 2006, having used his implants for over 40 years. Osseoincorporation Dental Implants Osseointegration "Implant ... Brånemark has also been honored with the Harvard School of Dental Medicine Medal for his work on dental implants in the United ... "Dental implant". Birchgrove Dental Practice. "Göteborg National Centre for Biomaterials and Cell Therapy". Archived from the ...
... and were replaced by zirconia implants. Robot-assisted dental surgery, including for dental implants, has also been developed ... Small diameter implants are implants of low diameter with one piece construction (implant and abutment) that are sometimes used ... Root form implants; the most common type of implant indicated for all uses. Within the root form type of implant, there are ... In 1965 Brånemark placed his first titanium dental implant into a human volunteer. He began working in the mouth as it was more ...
The discovery led to wide use in dental implants. In the mid-1970s, Brånemark, together with his ENT colleague Dr Anders ... glued an Oticon bone vibrator to a snap coupling fitted to a dental implant and then connected it to an audiometer. The patient ... Brånemark, PI; Hansson, BO; Adell, R; Breine, U; Lindström, J; Hallén, O; Ohman, A (1977). "Osseointegrated implants in the ... Professor Per-Ingvar Brånemark discovered osseointegration in the 1950s, which allows titanium implants to fuse with human bone ...
Assessment for the placement of dental implants Orthodontic assessment. pre and post operative Diagnosis of developmental ... A panoramic radiograph is a panoramic scanning dental X-ray of the upper and lower jaw. It shows a two-dimensional view of a ... Dental X-rays' radiology is moving from film technology (involving a chemical developing process) to digital X-ray technology, ... The dental panoramic image suffers from important distortions because a vertical zoom and a horizontal zoom both vary ...
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