That portion of the electromagnetic spectrum in the visible, ultraviolet, and infrared range.
The total of dental diagnostic, preventive, and restorative services provided to meet the needs of a patient (from Illustrated Dictionary of Dentistry, 1982).
Use for articles concerning dental education in general.
Educational institutions for individuals specializing in the field of dentistry.
Individuals enrolled a school of dentistry or a formal educational program in leading to a degree in dentistry.
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.
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 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.
Facilities where dental care is provided to patients.
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.
The teaching staff and members of the administrative staff having academic rank in a dental school.
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).
Abnormal fear or dread of visiting the dentist for preventive care or therapy and unwarranted anxiety over dental procedures.
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.
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.
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.
A film that attaches to teeth, often causing DENTAL CARIES and GINGIVITIS. It is composed of MUCINS, secreted from salivary glands, and microorganisms.
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.
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)
Personnel who provide dental service to patients in an organized facility, institution or agency.
Nonspecialized dental practice which is concerned with providing primary and continuing dental care.
An alloy used in restorative dentistry that contains mercury, silver, tin, copper, and possibly zinc.
Individuals who assist the dentist or the dental hygienist.
Educational programs designed to inform dentists of recent advances in their fields.
A range of methods used to reduce pain and anxiety during dental procedures.
Biocompatible materials placed into (endosseous) or onto (subperiosteal) the jawbone to support a crown, bridge, or artificial tooth, or to stabilize a diseased tooth.
Radiographic techniques used in dentistry.
Presentation devices used for patient education and technique training in dentistry.
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.
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)
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.
Hospital department providing dental care.
Individuals licensed to practice DENTISTRY.
Societies whose membership is limited to dentists.
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)
A systematic collection of factual data pertaining to dental or oral health and disease in a human population within a given geographic area.
The granting of a license to practice dentistry.
Facilities for the performance of services related to dental treatment but not done directly in the patient's mouth.
Materials used in the production of dental bases, restorations, impressions, prostheses, etc.
Various branches of dental practice limited to specialized areas.
Amounts charged to the patient as payer for dental services.
Individuals responsible for fabrication of dental appliances.
The organization and operation of the business aspects of a dental practice.
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 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.
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)
Providing for the full range of dental health services for diagnosis, treatment, follow-up, and rehabilitation of patients.
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.
One of a set of bone-like structures in the mouth used for biting and chewing.
The psychological relations between the dentist and patient.
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.
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)
A detailed review and evaluation of selected clinical records by qualified professional personnel for evaluating quality of dental care.
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.
Any waste product generated by a dental office, surgery, clinic, or laboratory including amalgams, saliva, and rinse water.
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.
Economic aspects of the dental profession and dental care.
A mixture of metallic elements or compounds with other metallic or metalloid elements in varying proportions for use in restorative or prosthetic dentistry.
"Decayed, missing and filled teeth," a routinely used statistical concept in dentistry.
The predisposition to tooth decay (DENTAL CARIES).
The application of computer and information sciences to improve dental practice, research, education and management.
The practice of personal hygiene of the mouth. It includes the maintenance of oral cleanliness, tissue tone, and general preservation of oral health.
The relationship of all the components of the masticatory system in normal function. It has special reference to the position and contact of the maxillary and mandibular teeth for the highest efficiency during the excursive movements of the jaw that are essential for mastication. (From Jablonski, Dictionary of Dentistry, 1992, p556, p472)
Removal of dental plaque and dental calculus from the surface of a tooth, from the surface of a tooth apical to the gingival margin accumulated in periodontal pockets, or from the surface coronal to the gingival margin.
That phase of clinical dentistry concerned with the restoration of parts of existing teeth that are defective through disease, trauma, or abnormal development, to the state of normal function, health, and esthetics, including preventive, diagnostic, biological, mechanical, and therapeutic techniques, as well as material and instrument science and application. (Jablonski's Dictionary of Dentistry, 2d ed, p237)
Use for material on dental facilities in general or for which there is no specific heading.
Devices used in the home by persons to maintain dental and periodontal health. The devices include toothbrushes, dental flosses, water irrigators, gingival stimulators, etc.
The branch of dentistry concerned with the prevention of disease and the maintenance and promotion of oral health.
Photographic techniques used in ORTHODONTICS; DENTAL ESTHETICS; and patient education.
The surgical removal of a tooth. (Dorland, 28th ed)
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)
A type of porcelain used in dental restorations, either jacket crowns or inlays, artificial teeth, or metal-ceramic crowns. It is essentially a mixture of particles of feldspar and quartz, the feldspar melting first and providing a glass matrix for the quartz. Dental porcelain is produced by mixing ceramic powder (a mixture of quartz, kaolin, pigments, opacifiers, a suitable flux, and other substances) with distilled water. (From Jablonski's Dictionary of Dentistry, 1992)
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)
Light sources used to activate polymerization of light-cured DENTAL CEMENTS and DENTAL RESINS. Degree of cure and bond strength depends on exposure time, wavelength, and intensity of the curing light.
The practice of dentistry concerned with preventive as well as diagnostic and treatment programs in a circumscribed population.
Creation of a smooth and glossy surface finish on a denture or amalgam.
General or unspecified diseases of the stomatognathic system, comprising the mouth, teeth, jaws, and pharynx.
The practice of dentistry concerned with the dental problems of children, proper maintenance, and treatment. The dental care may include the services provided by dental specialists.
Professional society representing the field of dentistry.
Patterns of practice in dentistry related to diagnosis and treatment.
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 smaller subunits of MYOSINS that bind near the head groups of MYOSIN HEAVY CHAINS. The myosin light chains have a molecular weight of about 20 KDa and there are usually one essential and one regulatory pair of light chains associated with each heavy chain. Many myosin light chains that bind calcium are considered "calmodulin-like" proteins.
Pain in the adjacent areas of the teeth.
Laws and regulations pertaining to the field of dentistry, proposed for enactment or recently enacted by a legislative body.
Congenital absence of or defects in structures of the teeth.
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)
An acquired or hereditary condition due to deficiency in the formation of tooth enamel (AMELOGENESIS). It is usually characterized by defective, thin, or malformed DENTAL ENAMEL. Risk factors for enamel hypoplasia include gene mutations, nutritional deficiencies, diseases, and environmental factors.
Examination of the mouth and teeth toward the identification and diagnosis of intraoral disease or manifestation of non-oral conditions.
An approach or process of practicing oral health care that requires the judicious integration of systematic assessments of clinical relevant scientific evidence, relating to the patient's oral and medical condition and history, with the dentist's clinical expertise and the patient's treatment needs and preferences. (from J Am Dent Assoc 134: 689, 2003)
Any group of three or more full-time dentists, organized in a legally recognized entity for the provision of dental care, sharing space, equipment, personnel and records for both patient care and business management, and who have a predetermined arrangement for the distribution of income.
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.
Endodontic diseases of the DENTAL PULP inside the tooth, which is distinguished from PERIAPICAL DISEASES of the tissue surrounding the root.
An adhesion procedure for orthodontic attachments, such as plastic DENTAL CROWNS. This process usually includes the application of an adhesive material (DENTAL CEMENTS) and letting it harden in-place by light or chemical curing.
Traumatic or other damage to teeth including fractures (TOOTH FRACTURES) or displacements (TOOTH LUXATION).
Abnormal concretion or calcified deposit that forms around the teeth or dental prostheses.
The teeth of the first dentition, which are shed and replaced by the permanent teeth.
An operation in which carious material is removed from teeth and biomechanically correct forms are established in the teeth to receive and retain restorations. A constant requirement is provision for prevention of failure of the restoration through recurrence of decay or inadequate resistance to applied stresses. (Boucher's Clinical Dental Terminology, 4th ed, p239-40)
The teeth collectively in the dental arch. Dentition ordinarily refers to the natural teeth in position in their alveoli. Dentition referring to the deciduous teeth is DENTITION, PRIMARY; to the permanent teeth, DENTITION, PERMANENT. (From Jablonski, Dictionary of Dentistry, 1992)
Inability or inadequacy of a dental restoration or prosthesis to perform as expected.
An index which scores the degree of dental plaque accumulation.
The act of cleaning teeth with a brush to remove plaque and prevent tooth decay. (From Webster, 3d ed)
Substances used to bond COMPOSITE RESINS to DENTAL ENAMEL and DENTIN. These bonding or luting agents are used in restorative dentistry, ROOT CANAL THERAPY; PROSTHODONTICS; and ORTHODONTICS.
A dental specialty concerned with the maintenance of the dental pulp in a state of health and the treatment of the pulp cavity (pulp chamber and pulp canal).
A dental specialty concerned with the restoration and maintenance of oral function by the replacement of missing TEETH and related structures by artificial devices or DENTAL PROSTHESES.
The largest and strongest bone of the FACE constituting the lower jaw. It supports the lower teeth.
The process of TOOTH formation. It is divided into several stages including: the dental lamina stage, the bud stage, the cap stage, and the bell stage. Odontogenesis includes the production of tooth enamel (AMELOGENESIS), dentin (DENTINOGENESIS), and dental cementum (CEMENTOGENESIS).
Pathological processes involving the PERIODONTIUM including the gum (GINGIVA), the alveolar bone (ALVEOLAR PROCESS), the DENTAL CEMENTUM, and the PERIODONTAL LIGAMENT.
Procedure of producing an imprint or negative likeness of the teeth and/or edentulous areas. Impressions are made in plastic material which becomes hardened or set while in contact with the tissue. They are later filled with plaster of Paris or artificial stone to produce a facsimile of the oral structures present. Impressions may be made of a full complement of teeth, of areas where some teeth have been removed, or in a mouth from which all teeth have been extracted. (Illustrated Dictionary of Dentistry, 1982)
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.
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.
A means of identifying the age of an animal or human through tooth examination.
Chemicals especially for use on instruments to destroy pathogenic organisms. (Boucher, Clinical Dental Terminology, 4th ed)
The absence of light.
Agents used to occlude dental enamel pits and fissures in the prevention of dental caries.
The third tooth to the left and to the right of the midline of either jaw, situated between the second INCISOR and the premolar teeth (BICUSPID). (Jablonski, Dictionary of Dentistry, 1992, p817)
A course of study offered by an educational institution.
The application of dental knowledge to questions of law.
Substances that inhibit or arrest DENTAL CARIES formation. (Boucher's Clinical Dental Terminology, 4th ed)
A dental specialty concerned with the histology, physiology, and pathology of the tissues that support, attach, and surround the teeth, and of the treatment and prevention of disease affecting these tissues.
True-false questionnaire made up of items believed to indicate anxiety, in which the subject answers verbally the statement that describes him.
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.
Accumulations of microflora that lead to pathological plaque and calculus which cause PERIODONTAL DISEASES. It can be considered a type of BIOFILMS. It is subtly distinguished from the protective DENTAL PELLICLE.
A polysaccharide-producing species of STREPTOCOCCUS isolated from human dental plaque.
Requirements for the selection of students for admission to academic institutions.
Such malposition and contact of the maxillary and mandibular teeth as to interfere with the highest efficiency during the excursive movements of the jaw that are essential for mastication. (Jablonski, Illustrated Dictionary of Dentistry, 1982)
The use of a layer of tooth-colored material, usually porcelain or acrylic resin, applied to the surface of natural teeth, crowns, or pontics by fusion, cementation, or mechanical retention.
Progressive loss of the hard substance of a tooth by chemical processes that do not involve bacterial action. (Jablonski, Dictionary of Dentistry, 1992, p296)
Application of a protective agent to an exposed pulp (direct capping) or the remaining thin layer of dentin over a nearly exposed pulp (indirect capping) in order to allow the pulp to recover and maintain its normal vitality and function.
The 32 teeth of adulthood that either replace or are added to the complement of deciduous teeth. (Boucher's Clinical Dental Terminology, 4th ed)
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.
Surgical procedures used to treat disease, injuries, and defects of the oral and maxillofacial region.
Total lack of teeth through disease or extraction.
Control, direction and financing of the total dental care of the population by a national government.
The branch of dentistry concerned with the dental problems of older people.
The conversion of absorbed light energy into molecular signals.
Diagnostic tests conducted in order to measure the increment of active DENTAL CARIES over a period of time.
A dental specialty concerned with the diagnosis and surgical treatment of disease, injuries, and defects of the human oral and maxillofacial region.
One of the eight permanent teeth, two on either side in each jaw, between the canines (CUSPID) and the molars (MOLAR), serving for grinding and crushing food. The upper have two cusps (bicuspid) but the lower have one to three. (Jablonski, Dictionary of Dentistry, 1992, p822)
Extraoral body-section radiography depicting an entire maxilla, or both maxilla and mandible, on a single film.
The bonelike rigid connective tissue covering the root of a tooth from the cementoenamel junction to the apex and lining the apex of the root canal, also assisting in tooth support by serving as attachment structures for the periodontal ligament. (Jablonski, Dictionary of Dentistry, 1992)
Inorganic salts of hydrofluoric acid, HF, in which the fluorine atom is in the -1 oxidation state. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Sodium and stannous salts are commonly used in dentifrices.
The failure to retain teeth as a result of disease or injury.
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.
Inflammation of the DENTAL PULP, usually due to bacterial infection in dental caries, tooth fracture, or other conditions causing exposure of the pulp to bacterial invasion. Chemical irritants, thermal factors, hyperemic changes, and other factors may also cause pulpitis.
The upper part of the tooth, which joins the lower part of the tooth (TOOTH ROOT) at the cervix (TOOTH CERVIX) at a line called the cementoenamel junction. The entire surface of the crown is covered with enamel which is thicker at the extremity and becomes progressively thinner toward the cervix. (From Jablonski, Dictionary of Dentistry, 1992, p216)
Preventive dental services provided for students in primary and secondary schools.
The hardening or polymerization of bonding agents (DENTAL CEMENTS) via exposure to light.
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)
Secondary or systemic infections due to dissemination throughout the body of microorganisms whose primary focus of infection lies in the periodontal tissues.
Financial support for training including both student stipends and loans and training grants to institutions.
Practice of adding fluoride to water for the purpose of preventing tooth decay and cavities.
The educational process of instructing.
A dental specialty concerned with the prevention and correction of dental and oral anomalies (malocclusion).
Substances used to create an impression, or negative reproduction, of the teeth and dental arches. These materials include dental plasters and cements, metallic oxide pastes, silicone base materials, or elastomeric materials.
A treatment modality in endodontics concerned with the therapy of diseases of the dental pulp. For preparatory procedures, ROOT CANAL PREPARATION is available.
A combination of the debris index and the dental calculus index to determine the status of oral hygiene.
The process of producing a form or impression made of metal or plaster using a mold.
Theoretical models which propose methods of learning or teaching as a basis or adjunct to changes in attitude or behavior. These educational interventions are usually applied in the fields of health and patient education but are not restricted to patient care.
The hard portion of the tooth surrounding the pulp, covered by enamel on the crown and cementum on the root, which is harder and denser than bone but softer than enamel, and is thus readily abraded when left unprotected. (From Jablonski, Dictionary of Dentistry, 1992)
Systematic identification, development, organization, or utilization of educational resources and the management of these processes. It is occasionally used also in a more limited sense to describe the use of equipment-oriented techniques or audiovisual aids in educational settings. (Thesaurus of ERIC Descriptors, December 1993, p132)
The space in a tooth bounded by the dentin and containing the dental pulp. The portion of the cavity within the crown of the tooth is the pulp chamber; the portion within the root is the pulp canal or root canal.
The emergence of a tooth from within its follicle in the ALVEOLAR PROCESS of the MAXILLA or MANDIBLE into the ORAL CAVITY. (Boucher's Clinical Dental Terminology, 4th ed)
A diet that contributes to the development and advancement of DENTAL CARIES.
A thin protein film on the surface of DENTAL ENAMEL. It is widely believed to result from the selective adsorption of precursor proteins present in SALIVA onto tooth surfaces, and to reduce microbial adherence to the TEETH.
Dentifrices that are formulated into a paste form. They typically contain abrasives, HUMECTANTS; DETERGENTS; FLAVORING AGENTS; and CARIOSTATIC AGENTS.
Component of the NATIONAL INSTITUTES OF HEALTH. It seeks to improve oral, dental and craniofacial health through research, research training, and the dissemination of health information by conducting and supporting basic and clinical research. It was established in 1948 as the National Institute of Dental Research and re-named in 1998 as the National Institute of Dental and Craniofacial Research.
The mechanical property of material that determines its resistance to force. HARDNESS TESTS measure this property.
Measurement of tooth characteristics.
Female dentists.
The collective tissues from which an entire tooth is formed, including the DENTAL SAC; ENAMEL ORGAN; and DENTAL PAPILLA. (From Jablonski, Dictionary of Dentistry, 1992)
Preparatory education meeting the requirements for admission to dental school.
The process of repairing broken or worn parts of a PERMANENT DENTAL RESTORATION.
The assessing of academic or educational achievement. It includes all aspects of testing and test construction.
The proteins that are part of the dental enamel matrix.
Fluorides, usually in pastes or gels, used for topical application to reduce the incidence of DENTAL CARIES.
Material from which the casting mold is made in the fabrication of gold or cobalt-chromium castings. (Boucher's Clinical Dental Terminology, 4th ed, p168)
Synthetic resins, containing an inert filler, that are widely used in dentistry.
Dental methods involving the use of DENTAL HIGH-SPEED EQUIPMENT.
The study of the teeth of early forms of life through fossil remains.
The process whereby calcium salts are deposited in the dental enamel. The process is normal in the development of bones and teeth. (Boucher's Clinical Dental Terminology, 4th ed, p43)
Drugs intended for DENTISTRY.
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)
Elements of limited time intervals, contributing to particular results or situations.
Dental personnel practicing in hospitals.
Absence of teeth from a portion of the mandible and/or maxilla.
The clear, viscous fluid secreted by the SALIVARY GLANDS and mucous glands of the mouth. It contains MUCINS, water, organic salts, and ptylin.
Any change in the hue, color, or translucency of a tooth due to any cause. Restorative filling materials, drugs (both topical and systemic), pulpal necrosis, or hemorrhage may be responsible. (Jablonski, Dictionary of Dentistry, 1992, p253)
Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.
Practice of a health profession by an individual, offering services on a person-to-person basis, as opposed to group or partnership practice.

Evaluation of depth of cure and Knoop hardness in a dental composite photo-activated using different methods. (1/142)

The aim of this study was to evaluate the depth of cure and Knoop hardness in the P60 composite resin photo-activated using different methods. A bipartite brass matrix (3 mm in diameter X 11 mm in height) was filled with the composite and photo-activation was performed using continuous light, exponential light, intermittent light, plasma arc curing (PAC) or light-emitting diodes (LED). After opening the matrix, the uncured material was removed with a steel spatula and the polymerized composite was measured using a pachymeter. The specimens were then included in self-curing acrylic resin and worn longitudinally and the hardness was measured on the surface and at depths of 1, 2, 3, 4 and 5 mm. The data were analyzed by ANOVA and Tukey's test (5%). The results showed that the depth of cure was higher with the intermittent light, followed by continuous light, exponential light, PAC and LED methods. Up to a depth of 2 mm, all methods revealed similar hardness values, but there were differences between them at other depths, at which LED demonstrated the lowest values followed by PAC.  (+info)

Effect of the increase of energy density on Knoop hardness of dental composites light-cured by conventional QTH, LED and xenon plasma arc. (2/142)

The aim of this study was to evaluate the effect of the increase of energy density on Knoop hardness of Z250 and Esthet-X composite resins. Cylindrical cavities (3 mm in diameter X 3 mm in depth) were prepared on the buccal surface of 144 bovine incisors. The composite resins were bulk-inserted and polymerized using different light-curing units and times: conventional QTH (quartz-tungsten-halogen; 700 mW/cm(2); 20 s, 30 s and 40 s); LED (light-emitting diode; 440 mW/cm(2); 20 s, 30 s and 40 s); PAC (xenon plasma arc; 1700 mW/cm(2); 3 s, 4.5 s and 6 s). The specimens were stored at 37 degrees C for 24 h prior to sectioning for Knoop hardness assessment. Three measurements were obtained for each depth: top surface, 1 mm and 2 mm. Data were analyzed statistically by ANOVA and Tukey's test (p<0.05). Regardless of the light source or energy density, Knoop hardness of Z250 was statistically significant higher than that of Esthet-X (p<0.05). Specimens cured with PAC had lower hardness than those cured with QTH and LED (p<0.05). Higher Knoop hardness was obtained when the energy density was increased for LED and PAC (p<0.05). No statistically significant differences (p>0.05) were found for QTH. Knoop hardness values decreased with the increase of depth. The increase of energy density produced composites with higher Knoop hardness means using LED and PAC.  (+info)

Color stability of composites subjected to accelerated aging after curing using either a halogen or a light emitting diode source. (3/142)

The purpose of this study was to evaluate, in vitro, the color stability of three composite resins of two different shades (A3 and C3) cured with either a quartz tungsten halogen (QTH) or a light emitting diode (LED) source. Forty specimens (20 x 2 mm) were prepared for each composite (Tetric Ceram, Heliomolar and Esthet-X), being 20 for each shade. In each group, 10 specimens were light-cured using the QTH unit and 10 with the LED source. The shade of the materials was evaluated before and after submitting the specimens to artificial accelerated aging (4 h UV-B/4 h condensing vapor), using a reflection spectrophotometer. deltaE means were calculated and analyzed statistically by 2-way ANOVA and Tukey's test at 5% significance level. Both A3 and C3 shades of Esthet-X composite resin showed the lowest color change when cured with the QTH light, while Tetric C3 cured with the QTH light showed the highest color change.  (+info)

Influence of shade and irradiation time on the hardness of composite resins. (4/142)

This study tested the following hypotheses: 1. increasing light irradiation time (IT) produces greater values of superficial hardness on different depths (0 and 3 mm); and 2. a dark shade composite (A3) needs longer IT than a light shade composite (A1) to produce similar hardness. Disk-shaped specimens (n=24 per shade) were fabricated using a 3-mm-thick increment of composite resin (Z100). Specimens were randomly assigned to 3 groups (n=8) according to the IT (400 mW/cm2) at the upper (U) surface: A1-10 and A3-10: 10 s; A1-20 and A3-20: 20 s; A1-40 and A3-40: 40 s. Specimens were stored in black lightproof containers at 37 masculineC for 24 h before indentation in a hardness tester. Three Vickers indentations were performed on the U and lower (L) surfaces of each specimen. The indent diagonals were measured and the hardness value calculated. The results were analyzed statistically by ANOVA and Tukey's test (alpha=0.05). Statistically significant differences were found between U and L surfaces of each composite shade-IT combination (p=0.0001) and among the ITs of same shade-surface combination (p=0.0001), except between groups A1-20U and A1-40U, confirming the study hypothesis 1 and partially rejecting the hypothesis 2.  (+info)

Effect of veneering materials and curing methods on resin cement knoop hardness. (5/142)

This study evaluated the Knoop hardness of Enforce resin cement activated by the either chemical/physical or physical mode, and light cured directly and through ceramic (HeraCeram) or composite resin (Artglass). Light curing were performed with either conventional halogen light (QTH; XL2500) for 40 s or xenon plasma arc (PAC; Apollo 95E) for 3 s. Bovine incisors had their buccal surfaces flattened and hybridized. On these surfaces a mold was seated and filled with cement. A 1.5-mm-thick disc of the veneering material was seated over this set for light curing. After storage (24 h/37 masculineC), specimens (n=10) were sectioned for hardness (KHN) measurements in a micro-hardness tester (50 gf load/ 15 s). Data were submitted to ANOVA and Tukey's test (alpha=0.05). It was observed that the dual cure mode yielded higher hardness compared to the physical mode alone, except for direct light curing with the QTH unit and through Artglass. Higher hardness was observed with QTH compared to PAC, except for Artglass/dual groups, in which similar hardness means were obtained. Low KHN means were obtained with PAC for both Artglass and HeraCeram. It may be concluded that the hardness of resin cements may be influenced by the presence of an indirect restorative material and the type of light-curing unit.  (+info)

Effect of light-curing methods on resin cement Knoop hardness at different depths. (6/142)

This study evaluated, using Knoop hardness test, the polymerization depth of Rely-X dual-cured resin cement activated by chemical reaction alone (control group) or by chemical/physical mode with light curing through a 1.5-mm-thick ceramic layer (HeraCeram). Bovine incisors had their buccal surface flattened and hybridized. On this surface, a rubber mould (5 mm diameter; 1 mm high) was bulk filled with cement. Either a polyester strip or a 1.5-mm-thick disc of the veneering material was seated over this set. Light curing was performed with either conventional halogen light (QTH; XL2500) for 40 s, light-emitting diode (LED; Ultrablue Is) for 40 s or xenon plasma arc (PAC; Apollo 95E) for 3 s. In a control group, cement setting occurred by chemical reaction alone. After storage dry in dark (24 h/37 degrees C), the specimens (n=5) were sectioned for hardness (KHN) measurements at three depths in a microhardness tester (50 gf load/15 s). Data were submitted to ANOVA and Tukey's test (alpha = 0.05). Rely-X cement presented higher Knoop hardness values when the QTH and LED LCUs were used, compared to the control group and PAC. Light curing with PAC resulted in lower hardness compared to the control group. Cement hardness was significantly lower in deeper regions.  (+info)

Influence of different light curing units on the bond strength of indirect resin composite restorations. (7/142)


The effects of light intensity and light-curing time on the degree of polymerization of dental composite resins. (8/142)

The aim of this study was to investigate the effects of light intensity and light-curing time on the polymerization of composite resins. Four composite resins were light-cured with different light-curing conditions. In the non-thermocycled case, specimens showed almost the same or similar microhardness values if energy density was identical or similar. As the energy density decreased, maximum polymerization shrinkage decreased. At higher energy densities, specimens had a lower coefficient of thermal expansion than at lower energy densities. At the same or similar energy density, most resin products showed coefficient values which were not statistically different. After 10,000 thermocycles, specimens showed decreases of 2.4-16.5% and 4.6-25.2% in microhardness and coefficient of thermal expansion respectively. Within the limitations of the present study, it was found that light-curing composite resins with higher energy density was beneficial to acquiring higher microhardness values and lower coefficients of thermal expansion.  (+info)

Photo-activation of the hydrophobic membrane probe 1, 5 iodonaphthylazide (INA) by irradiation with UV light (310-380 nm) results in the covalent modification of transmembrane anchors of membrane proteins. This unique selectivity of INA towards the transmembrane anchor has been exploited to specifically label proteins inserted in membranes. Previously, we have demonstrated that photo-activation of INA in enveloped viruses resulted in the inhibition of viral membrane protein-induced membrane fusion and viral entry into cells. In this study we show that photo-activation of INA in various cell lines, including those over-expressing the multi-drug resistance transporters MRP1 or Pgp, leads to cell death. We analyzed mechanisms of cell killing by INA-UV treatment. The effects of INA-UV treatment on signaling via various cell surface receptors, on the activity of the multi-drug resistance transporter MRP1 and on membrane protein lateral mobility were also investigated. INA treatment of various cell lines
Aim of study: The purpose of this study was to evaluate the effect of Quartz tungsten halogen, Light emitted diode & soft start light curing units on temperature rise..
Some of the results come as a surprise: contrary to expectations, the reaction rate is not so much limited by the concentration of the molecules in solution, but decisively by the permeability of the nanoreactors shell. This is extremely interesting since chemists today can often fine tune or even switch the permeability of these shells to specific molecules via variations in temperature or other parameters, explains co-author Dr. Won Kyu Kim.. Photo-activation taken into account. The new model is a big step forward from the older theory done many decades earlier that could handle only one molecule. Our model is applicable to research on energy materials, and it can even take into account photo-activation of one of the molecules at the shell by sunlight, Dzubiella states. He has achieved with this work one of the goals of his European Research Council (ERC) Consolidator Grant (2015-2020).. ...
How to Replace a Lightbulb in an Outdoor Halogen Light Fixture. Outdoor halogen light fixtures offer a brilliant light radius which can often illuminate your entire yard. The light is so powerful, that it often only requires one well-placed light fixture to do it.. When you have a halogen light fixture outside and the bulb happens to go out, the difference is like, well, it is like night and day! A great source for home security or for simply being able to keep an eye on your dog as he does his business, halogen light fixtures are a wonderful addition to any backyard.. But, these powerful lights do not use a conventional light bulb. Halogen light bulbs are long and thin, and they do not get screwed in, which can confuse some people. So to help keep your yard illuminated, heres how to change a lightbulb in an outdoor halogen light fixture.. ...
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The present application provides a multi-dimensional light-emitting device electrically connected to a power supply system. The multi-dimensional light-emitting device comprises a substrate, a blue light-emitting diode array and one or more phosphor layers. The blue light-emitting diode array, disposed on the substrate, comprises a plurality of blue light-emitting diode chips which are electrically connected. The multi-dimensional light-emitting device comprises a central area and a plurality of peripheral areas, which are arranged around the central area. The phosphor layer covers the central area. When the power supply system provides a high voltage, the central area and the peripheral areas of the multi-dimensional light-emitting device provide a first light and a plurality of second lights, respectively. The first light and the second lights are blended into a mixed light.
A high energy filament lamp light source, such as a quartz tungsten halogen lamp, operated in a pulsed mode with a high voltage input, creates a particular energy output. Applications of such apparatus and methods include treatment of the dermis and/or sub-epidermal tissues for the purpose of skin recontouring, thermal destruction of hair follicles for the purpose of hair removal, and others, and a method which selectively preheats a subsurface region in targeted tissue to sub-thermal modification threshold values without significant heat damage to surrounding layers prior to further treatment.
Electrophoretic Deposition: Fundamentals and Applications III: Monitoring Constrained Sintering of YSZ Coatings Using Fluorescence Spectroscopy and Micro-Hardness
TY - JOUR. T1 - Towards a better understanding of polymer-based light-emitting diodes. T2 - A theoretical insight into the basic phenomena. AU - Cornil, J.. AU - Beljonne, D.. AU - Dos Santos, D. A.. AU - Shuai, Z.. AU - Bredas, Jean-Luc. PY - 1996/4/15. Y1 - 1996/4/15. N2 - In this contribution, we try to illustrate that quantum-chemistry calculations can prove useful to comprehend better the phenomena occurring in the active layer of polymer-based light-emitting diodes. We review the results of recent theoretical calculations conducted at the correlated level on conjugated oligomers that address several topics of prime interest in the search of new routes towards the achievement of devices with enhanced characteristics. These studies performed on oligomers representative of poly(para-phenylenevinylene) and polythiophene deal with: (i) the modeling of the optical properties of the conjugated polymers involved in the emitting layer; (ii) the investigation of the relative locations of, and ...
A color tunable light-emitting device is provided which comprises a first light-emitting element, a second light-emitting element, an active light transformative element disposed between the first light-emitting element and the second light-emitting element; and at least one light transmissive element, wherein the first and second light-emitting elements emit light at different wavelengths. Active light transformative elements which may be employed are illustrated by electrochromic elements, photochromic elements, and thermochromic elements.
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The luminous device, which is provided in particular for use in the medical sector, has a luminous unit (1) which comprises at least one light-emitting diode (11) and which is connected or can be connected to a power supply device (3) via electrical lines (21, 22). According to the invention, a connecting element (2) is provided, which has a strip-type, flexible and insulating base substrate (21) coated with metal on one side or on both sides, into which are incorporated the electrical lines (22; 23), which are led to connections (25) of the luminous unit (1) at one end of the connecting element (2) and to connections (26) of the power supply device (3) at the other end of the connecting element (2), wherein the metal layers (22, 23, 24) provided on one or both sides of the base substrate (21) are dimensioned in such a way that they hold the base substrate (21) in a chosen form.
The modular design of the WITec microscope serried allows the attachment of a time correlated single photon counting module to the alpha300 or alpha500 confocal microscope series. This makes possible several types of spatial and time-resolved measurements such as fluorescence lifetime imaging or electro- and photo-luminescence decay imaging. This application note covers spatially resolved µElectroluminescence (EL) studies of a blue, light-emitting diode (LED).
Read Applying the selective Cu electroplating technique to light-emitting diodes, Research on Chemical Intermediates on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
FIG. 1 is a front, right side perspective view of an adjustable halogen lamp showing my new design;. FIG. 2 is a top, rear, right side perspective view thereof with the lamp in an alternate position;. FIG. 3 is a left side elevational view thereof;. FIG. 4 is a front elevational view thereof;. FIG. 5 is a rear elevational view thereof;. FIG. 6 is a top plan view thereof; and,. FIG. 7 is a bottom plan view thereof.. ...
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A flexible piston rod includes a piston and a row of elements, each having top, bottom, and lateral surfaces, the top surface of one element being connected to the bottom surface of an adjacent element by a hinge that allows the two adjacent elements to pivot from a first position, where a portion of the top surface of one element abuts a corresponding portion of the bottom surface of the adjacent element and corresponding to a rectilinear, relatively stiff configuration of the piston rod, to a second position wherein the top surface of one element is spaced from the bottom surface of the adjacent element and corresponding to a curved configuration of the piston rod. The lateral surface of each element has first and second mutually-opposed cylindrical surface portions incorporating a thread for meshing with a corresponding thread of an actuator for displacing the piston rod longitudinally.
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The cell imaging centre BICEL-IFR114, IBISA certified, offers different activities as trainings, support, monitoring and consulting to a wide scientific community present within the site but also to national and international entities academic organizations or private companies. Studies using imaging equipment such as confocal microscope, conventional microscope or times series microscope are designed to localize, by immunofluorescence techniques, fusion proteins or histological stainings, molecules of interest in tissues and cells, fixed or alive. These systems also allow the visualization and quantification of many dynamic processes in biology such as cell survival, cell migration, changes in membrane potential or intracellular calcium concentration. Experiments of FRET, FRAP or photo-manipulation (photo-activation, photo-conversion) are also achievable through advanced microscopy techniques dynamics. The platform also offers studies in molecular biology with the technique of laser ...
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PLATINUM FEV 200w 120v BA15d Double Contact Bayonet base Halogen light Bulb FEV lamp, Most common in stage & studio applications. There are uses for any operating function and features superior color rendering to cast out the light. The FEV lamp can be used in stage & studio fixtures that use appropriate wa
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When I found LCU, it changed my life! Human words cannot describe how LCU put me on the path God had for me. The spiritual atmosphere and anointing, plus the deep knowledge of the Word and passionate teaching all worked to guide me into what I was searching for. I now feel equipped to do the work of the ministry. My studies at LCU gave me the confidence to preach: I always hoped for this! Once I took the steps to become prepared, God opened doors for me. I have already preached in several churches, and more are opening up, both in the U.S. and in Puerto Rico. I want to encourage you: if you have the desire to serve God, LCU can help you achieve your dream ...
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Light-emitting diodes (LEDs) come in many varieties and with a wide range of radiation patterns. We propose a general, simple but accurate analytic representation for the radiation pattern of the light emitted from an LED. To accurately render both the angular intensity distribution and the irradiance spatial pattern, a simple phenomenological model takes into account the emitting surfaces (chip, chip array, or phosphor surface), and the light redirected by both the reflecting cup and the encapsulating lens. Mathematically, the pattern is described as the sum of a maximum of two or three Gaussian or cosine-power functions. The resulting equation is widely applicable for any kind of LED of practical interest. We accurately model a wide variety of radiation patterns from several world-class manufacturers.. ©2008 Optical Society of America. Full Article , PDF Article ...
I have worklights and with some diffusion and reflection they work great to light scenes but Im using standard bulbs and I could really use pure
Pulling force 800 - 3200 daN - It has a light weight, compact, high tensile aluminium al-loy housing with a large flat bottom surface for increased stability in horizontal as well as vertical working position.
If you look at the trends in the physical properties of the halogens, Cl2, Br2, I2 you can make predictions about the properties of the other halogens.
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Halogen lamp is an incandescent lamp with an advanced design and is also called a tungsten or quartz halogen lamp. The filament of the light bulb consists of ductile tungsten, while the light bulb itself consists of quartz, aluminum silicate or silica. The gas contained in the light bulb has a higher pressure than an ordinary light bulb.. WORK OF THE HALOGEN LAMP The halogen lamp contains halogen gas in the lamp. This gas prevents the bulb from turning black, unlike conventional ones, and also lowers the thinning of the tungsten filament. As a result, the filament can be heated to a much higher temperature while the life of the light bulb is also significantly improved. There are many elements called halogen but not all are used in the design of such lamps. Iodine and bromine are used in the halogen lamps.. Chemistry involved in a halogen lamp includeis the chemical combination of the vaporized tungsten atoms with the halogen gas which is then re-deposited on the tungsten filament. This prevents ...
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TY - JOUR. T1 - Light-emitting diodes fabricated from biomolecular compounds. AU - Tajima, H.. AU - Shimatani, K.. AU - Komino, Takeshi. AU - Ikeda, S.. AU - Matsuda, M.. AU - Ando, Y.. AU - Akiyama, H.. PY - 2006/8/15. Y1 - 2006/8/15. N2 - We fabricated ITO/biomolecule/Al junctions using chrolophyll a, cytochrome c, myoglobin, hemin, Vitamin B12. All the junctions worked as organic light-emitting diode (OLED). The quantum efficiencies of the fabricated OLED were of the order of 1 × 10-7 around V = 10 V, and did not seriously depend on whether or not a compound exhibits photoluminescence. Based on the energy diagram of the ITO/cytochrome c/Al junction, we discuss the difference of the EL spectrum from the photoluminescence or absorption spectrum.. AB - We fabricated ITO/biomolecule/Al junctions using chrolophyll a, cytochrome c, myoglobin, hemin, Vitamin B12. All the junctions worked as organic light-emitting diode (OLED). The quantum efficiencies of the fabricated OLED were of the order of 1 ...
The A1U10 group showed significantly lower mean hardness than the other two groups (A1U20 and A1U40) for the U surface of this composite resin shade (A1) (£0.05). At the L surface of A1 shade a significantly higher mean hardness was found at 40 s irradiation time (A1L40) than for the A1L10 and A1L20 groups, which means that values were also statistically different (p£0.05). Both surfaces (U and L) of A3 shade composite revealed significantly greater mean hardness values at 40 s curing time, followed by the 20-s and the 10-s curing time groups (p£0.05). Statistically significant differences were found between U and L surfaces of each composite shade-IT combination (p=0.0001) and among the irradiation times of same shade-surface combination (p=0.0001), except between A1U20 and A1U40 groups. DISCUSSION. The polymerization of light-cured composite resins starts and is sustained when the rate of delivery photons from the source of light is sufficient to maintain the photo-absorbing compound, ...
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The PWM (Pulse Width Modulation) operation of theautomotive halogen lamps will be forced by theautomobile manufactures with the introduction of theincreased voltage batteries.
where P is applied a load in kg, A is uncovered projected area of indentation in mm2, L is the length of the long diagonal in mm and C is a constant related to the length of a projected area for each indentor supplied by the manufacturer.. One can calculate the Knoop hardness from the projected area of the impression or indentation rather than the area of contact as in the case of indentation tests.. We must note that micro-hardness require extra care in all stages of testing. A good polishing of the surface is required, i.e. the surface of the specimen must be prepared carefully.. ...
We evaluated the effect of different light combinations on powdery mildew resistance and growth of melon seedlings. Light-emitting diodes were used as the light source and there were five light combinations: white light (420-680 nm); blue light (460 nm); red light (635 nm); RB31 (ratio of red and blue light, 3: 1); and RB71 (ratio of red and blue light, 7: 1). Compared with other treatments, blue light significantly decreased the incidence of powdery mildew in leaves of melon seedlings. Under blue light, H2O2 showed higher accumulation, and the content of phenolics, flavonoid and tannins, as well as expression of the genes involved in synthesis of these substances, significantly increased compared with other treatments before and after infection ...
A light-reflective anisotropic conductive paste is used as an anisotropic conductive paste when a light-emitting device is produced by flip-chip mounting a light-emitting element such as a light-emitting diode element (LED) on a wiring board. The light-reflective anisotropic conductive paste includes light-reflective insulating particles, in order to improve light emission efficiency without providing, in the LED, a light-reflecting layer that causes an increase in manufacturing cost. With the light-reflective anisotropic conductive paste, a reduction in bonding strength of the light-emitting element to the wiring board in a high-temperature environment can be suppressed, and a reduction in conduction reliability after a TCT can also be suppressed. In the light-reflective anisotropic conductive paste, conductive particles and the light-reflective insulating particles are dispersed in a thermosetting resin composition. The thermosetting resin
Intense room temperature emission at 3.7 mu m is reported from light-emitting diodes (LEDs) which contain ten InAsSb/InAs type II multi quantum wells grown by molecular beam epitaxy. Interpretation of the spectra revealed the existence of two confined heavy-hole states with emission peaks of 0.33 and 0.37 eV at 4 K. Analysis of the temperature dependence of the electroluminescence shows that emission occurred predominantly from the excited heavy-hole state at high temperatures. At room temperature, the devices produced a quasi-cw power of 12 mu W at 100 mA injection current corresponding to an internal quantum efficiency of 2.2%.. ...
All-inorganic perovskite materials, i.e. cesium lead halide (CsPbX3 (X = I, Br, Cl)), have attracted much attention in the application of photoelectronic devices, especially in solar cells and light-emitting diodes (LEDs). However, the solubility issue of CsPbX3 restricts their utilization in solution-proces
Blue light-emitting diodes (LEDs) offer new opportunities in practical solid-state lighting and could play a significant role in reducing global energy consumption. Here, for the first time, we report the synthesis of highly fluorescent InP/ZnS small-core/thick-shell tetrahedral shaped QDs for blue LED appli
Page contains details about organic light-emitting diode structure . It has composition images, properties, Characterization methods, synthesis, applications and reference articles :
Page contains details about iridium-containing polymer organic light-emitting diode . It has composition images, properties, Characterization methods, synthesis, applications and reference articles :
View Notes - fulltext9 from SPECTOGRAP 545 at AIB College of Business. Frequency Domain Fluorometry with Pulsed Light-Emitting Diodes P ETR H ERMAN AND J AROSLAV V ECER Faculty of Mathematics and
The Report Global Light-Emitting Diode Lighting Module Market 2017-2021 provides information on pricing, market analysis, shares, forecast, and company...
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DPSS DMP LH series is a compact, diode-pumped solid-state (DPSS) laser providing high-power, continuous-wave (CW) power at 532nm in a near- perfect TEMoo mode with extremely low optical noise and excellent long-term stability. DPSS DMP LH series is truly a next-generation laser designed and manufactured using many years of experience to provide a sealed, turn-key source of collimated green light with high spectral purity.. A number of key technologies guarantee this performance. Sealed technology keeps all dirt, dust and moisture out of the laser head to provide years of uninterrupted usage without need for cleaning or maintenance. All cavity optics is permanently locked in perfect alignment.. The laser head is a monolithic 3-dimensional design for ruggedness and compactness to minimize the space consumed in your lab or instrument. The fiber-coupled pump diode package, contained in the power supply, has an expected lifetime of more than 20,000 hours to minimize cost-of-ownership. The power ...
Tender and Leads information for Transport of Hydrocarbons category - Oil & Gas Projects and Opportunities in Pakistan, Asia: Bottom Surface Preparation of Storage Tank#213
Double Beam UV Visible Spectrophotometer LUVSD-202 • Wavelength range 190-1100nm • Spectral Bandwidth 0.5, 1.0, 2.0, 4.0nm • Optical System Monochromator with 1200 lines/mm blazed holographic grating • Detector Silicon Photodiode • Stray Light Stray light is achieved at ≤0.05%T at 220nm and 360nm • Light source Deuterium and tungsten halogen lamp • Sample size A wide range of standard cuvettes to be use based on the sensitivity or sample volume requirements. • Sophisticated and simplified sample analysis software The sample analysis software provides the scanning, fixed wavelength analysis, quantitative analysis, data collection, storage, export, and reporting. With additional feature of an easy access USB port available in the unit that enables results to be stored directly to a USB memory stick for
Double Beam UV Visible Spectrophotometer LUVSD-201B • Wavelength range 190-1100nm • Spectral Bandwidth 0.5, 1.0, 2.0, 4.0nm • Optical System Monochromator with 1200 lines/mm blazed holographic grating • Detector Silicon Photodiode • Stray Light Stray light is achieved at ≤0.05%T at 220nm and 360nm • Light source Deuterium and tungsten halogen lamp • Sample size A wide range of standard cuvettes to be use based on the sensitivity or sample volume requirements. • Sophisticated and simplified sample analysis software The sample analysis software provides the scanning, fixed wavelength analysis, quantitative analysis, data collection, storage, export, and reporting. With additional feature of an easy access USB port available in the unit that enables results to be stored directly to a USB memory stick for
Plasma Arc Vortex Speaker: In this instructable, I will show you how to make your very own plasma arc vortex speaker! I set out to make the loudest plasma arc speaker with the fewest components. You can choose to make the vortex speaker or just a regular plasma arc speake...
Abstract: Proponents for sustainable alternative lighting and display options advocate for organic light-emitting diodes (OLEDs), particularly polymer-based organic light-emitting diodes (P-OLEDs), because of their potential for low-cost fabrication, more versatile device formats and lower power consumption compared to traditional options. Here, an economic, energy and CO2 emissions assessment is carried out for four different laboratory-scale, blue-emitting P-OLED device architectures: bottom-emitting conventional; bottom-emitting inverted; top-emitting conventional; and top-emitting inverted. Additionally, comparisons with a standard, commercial-scale, blue inorganic light-emitting diode (LED) device architecture are made. The various P-OLED device architectures are investigated due to their potential to increase operational lifetime (inverted) and light out-coupling efficiency (top-emitting). The following metrics are used in this assessment: device cost per area; yearly operating cost; ...
A desk comprising: a writing board, the writing board defining a top surface and a substantially opposed bottom surface; at least three sleeves, each of the at least three sleeves extending substantially away from the bottom surface, each of the at least three sleeves defining a respective free end substantially opposed to the bottom surface; at least three legs, each of the at least three legs being removably insertable into and securable to a respective one of the at least three sleeves; a first one of the at least three sleeves defining a ridge extending substantially longitudinally therefrom at the free end of the first one of the at least three sleeves and a second one of the at least three sleeves defining a recess extending substantially longitudinally thereinto at the free end of the second one of the at least three sleeves, the recess being configured and sized for substantially snugly receiving the ridge. Two of the desks are stackable on top of each other with legs detached therefrom by
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Laserglow lasers are integrated into several OEM cytometry systems where our DPSS systems provide the light source in a stable, cost-effective manner.
A method of designing a skeletal implant comprises measuring physical characteristics of the bone to be implanted, generating a macro-design of the implant based on the physical characteristics, and determining a micro-design for the implant to ensure that strain in the bone is kept between 100 and 3000 microstrain to promote bone growth and to minimize bone resorption during functional loading. In an alternate embodiment, a dental implant comprises a crest portion having a circular bottom surface, an opposite circular top surface, and a side wall intermediate the bottom surface and the top surface, the top surface being adapted for attaching the dental prosthesis thereto. A circular base portion has a crestal end, an opposite apical end, and a core section intermediate the crestal end and the apical end having an outer surface. A helical thread extends about a portion of the outer surface of the core section that secures the device within existing bone. The bone contacting surface area of the
Abstract from Ellen Bruzells lecture at symposium MED-10 Dentistry. (Organized by Ellen Bruzell). ESP-IUPB World Congress, Light & Life, Barcelona, Spain. August 25-30. 2019.. Dental personnel encounter a number of optical sources emitting a broad spectrum of wavelengths. Along with the usefulness, to various extents, of optical radiation in treatment and diagnostics, comes the risk of radiation exposure to the operators eyes and the patients oral tissues. The presentation will cover the involuntary and voluntary use of different light sources. The curing light used for photopolymerisation of dental materials is an everyday procedure in the clinic. Curing lights have evolved from emitting moderate intensities of UV to high intensity blue light LEDs of several watts per centimeter squared. Dental bleaching procedures combined with light is a controversial topic. It is debated whether the light improves the efficiency. Thereby, the justification of the use is questionable. The bleaching ...
Halogen Lamp Lamp Type Double Ended Lamp Shape T3 Base Type Recessed Single Contact (R7S) 150 Watts 120 Voltage Lamp Dia 3/8 In. Lamp Finish Clear Initial Lumens 2400 Color Temp 2950K Lamp Designation Q150T3/CL/CD Average Life 1500 hr. Max Overall Length 3-1/8 In. Meets 2012 Lighting Legislation Energy Primary Application Motion-Sensing And Security Torchiere Shatter-Resistant No
Additionally to having an API key associated with your account, exporting private event information requires the usage of a persistent signature. This enables API URLs which do not expire after a few minutes so while the setting is active, anyone in possession of the link provided can access the information. Due to this, it is extremely important that you keep these links private and for your use only. If you think someone else may have acquired access to a link using this key in the future, you must immediately create a new key pair on the My Profile page under the HTTP API and update the iCalendar links afterwards ...
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"A clinical trial of light cure acrylic resin for orthodontic use". Journal of Orthodontics. 29 (1): 51-55. doi:10.1093/ortho/ ... "Dental art: A French dentist showing his artificial teeth". British Dental Association. 30 June 2010. Archived from the ... which is either a heat cured or cold-cured type. During the processing period, heat cured acrylics-also called permanent ... "Denture Care" Canadian Dental Association> "Ask ...
Arakawa, Kazuo (December 2010). "Shrinkage forces due to polymerization of light-cured dental composite resin in cavities". ... Elderton, R J (May 1985). "Six-monthly examinations for dental caries". British Dental Journal. 158 (10): 370-374. doi:10.1038/ ... Dental Materials. 33 (4): 467-476. doi:10.1016/ ISSN 0109-5641. PMID 28256273. Frese, Cornelia; Schiller, ... Dental Materials. 30 (5): 493-498. doi:10.1016/ PMID 24602519. Korkut, Bora; Yanikoglu, Funda; Tagtekin, ...
Determination of polymerization shrinkage kinetics in visible-light-cured materials: methods development. Dental Materials, 7(4 ... Dental Materials, 19(1), 1-11. Alrahlah, A., Silikas, N., & Watts, D. C. (2014). Post-cure depth of cure of bulk fill dental ... "Post-cure depth of cure of bulk fill dental resin-composites". "International Association for Dental Research awards 2003". " ... "Analysis of optical transmission by 400-500 nm visible light into aesthetic dental biomaterials". "Light intensity effects on ...
"Investigating influence of low fraction of polytetrafluoroethylene filler on mechanical and wear behavior of light-cured dental ... Potentially, these nanocomposites may be used to create novel, mechanically strong, light weight composite bone implants. The ... dental restorative materials, sensorics, filter applications, and optoelectronics. Here we will just consider a limited set of ... "Effect of adding nanosilica particulate filler on the wear behavior of dental composite". Polymer Composites. 39 (S1): 332-341 ...
... and Bis-EMA from light-cured dental resins and resin composites using HPLC". Journal of Biomedical Materials Research Part B: ... "Effect of chemical structure on degree of conversion in light-cured dimethacrylate-based dental resins". Biomaterials. 23 (8): ... Dental Materials. 27 (8): 723-747. doi:10.1016/ PMID 21664675. Tsukioka T, Terasawa JI, Sato S, Hatayama Y ... Among the non-food sources, exposures routes include through dust, thermal paper, clothing, dental materials, and medical ...
A comparison of efficiency of two photoinitiators for polymerization of light-cure dental composite resins, Journal of Applied ... PampadykandathilPhiliposeLizymolandC.Vibha, A visible light cure dental restorative composite 345160, Patent Application Number ... Based Visible Light Cure Dental Restorative Resin, Lizymol P.P. Chapter 15, In book: Advanced Studies in Experimental and ... Studies of a New Low Shrinkage Visible Light Cure Dental Composite (Ormo48): Effects of Thermal Cycling on Physical ...
"Influence of Thermo-Light Curing with Dental Light-Curing Units on the Microhardness of Glass-Ionomer Cements". Int J ... Only the material properly activated by light will be optimally cured. The presence of resin protects the cement from water ... Different methods have been used to address the physical shortcomings of the glass ionomer cements such as thermo-light curing ... Glass ionomer cement is primarily used in the prevention of dental caries. This dental material has good adhesive bond ...
It is widely used for luting dental restoration whereby the thickness allows penetration of light for partial curing only. On ... Instead, a chemically-cured resin cement should be used. Dual-cured resin cements It consists of a light-activated paste mixed ... Light-cured resin cements Due to the presence of light-activated components (photo-initiators), this type of resin cement ... doi:10.1016/ PMID 22192253. Donovan TE, Cho GC (March 1999). "Contemporary evaluation of dental cements". ...
The ILS travels in the X direction at 1-2 inches per second, depending on the material being cured, while the laser light scans ... "US Market for Dental Rapid Prototyping Systems - Research and Markets". Retrieved 2016-08-23. ... Three of those technologies are based on harnessing light as a tool to cure liquid resin into a three-dimensional object based ... In this process, a vat of liquid photopolymer or resin is cured by projecting images from a digital light source to solidify ...
They consist of blocks of wax resting on a rigid base that can be made out of shellac, light-cured or heat-cured acrylic. The ... The Dental Practitioner and Dental Record. 18 (1): 9-19. PMID 4864741. Davis DM, Fiske J, Scott B, Radford DR (2000). "The ... with heat-cured acrylic being superior to light-cured. The record blocks are inserted in the mouth and the following should be ... Record blocks are made in such a way so that the dental technician is provided with all the information necessary to provide a ...
A new technological approach for curing light-activated oral biomaterials using a light curing unit (LCU) is based on blue ... resulting in consistent and high quality curing. Simple depth of cure experiments on dental composites cured with LED ... In some instances, an enamel can cure in a fraction of a second when exposed to light, as opposed to thermally cured enamels ... "UV Light-Curing Equipment , Spot, Flood, & Conveyor Curing". Dymax. Retrieved 12 Jun 2019. Allcock HR (2008). Introduction to ...
A bracket will be applied with dental cement, and then cured with light until hardened. This process usually takes a few ... are directly bonded to molar teeth either by a chemical curing or a light curing adhesive. Usually molar tubes are directly ... Bands are also utilized when dental fillings or other dental works make securing a bracket to a tooth infeasible. Orthodontic ... Dental braces are often used in conjunction with other orthodontic appliances to help widen the palate or jaws and to otherwise ...
The powder contains fluoroaluminosilicate glass particles, sodium fluoride, and self-cured and light-cured initiators. The ... Dental restorative materials Dental composite Glass ionomer cement Noort, Richard van. (2013). Introduction to dental materials ... There is a second less significant acid-base setting reaction which takes place after the light-cured polymerisation reaction; ... They were introduced in the early 1990s as a hybrid of two other dental materials, dental composites and glass ionomer cement, ...
Glass ionomer does not require light curing, however it will set faster with the usage of a curing light. Ensure the sealant is ... Glass ionomer does not require light curing, however it will set faster with the usage of a curing light. Resin-based sealants ... the American Dental Association, the Australian Dental Association, the British Dental Association, and the Canadian Dental ... Second generation: chemical-curing (autopolymerized). Third generation: visible light-cured. Fourth generation: contain ...
... and are light cured with a LED light curing unit. Setting takes place by a combination of acid-base reaction and chemically ... Most modern composite resins are light-cured photopolymers, meaning that they harden with light exposure. They can then be ... Dental restorative materials are used to replace tooth structure loss, usually due to dental caries (dental cavities), but also ... "Investigating influence of low fraction of polytetrafluoroethylene filler on mechanical and wear behavior of light-cured dental ...
Can be used with light-cure, self-cure, and dual-cure materials (without the separate activators); c)Can be used for both ... In 1979 he published a guide to aesthetic dentistry entitled "Dental Health/Dental Beauty." In 2012, new dental universal ... Dental bonding is a dental procedure in which a dentist applies a tooth-colored resin material (a durable plastic material) and ... Smigel, Irwin (1979). Dental Health/Dental Beauty. M. Evans. ISBN 978-0-87131-284-6. Christensen G. New universal adhesives ( ...
Medicine portal Dental curing light Dental dam Dental fear Dental braces Dental treatment Fixed prosthodontics Gold teeth Oral ... The process of preparation usually involves cutting the tooth with a rotary dental handpiece and dental burrs, a dental laser, ... The strength of the material reduces if its not light-cured. GIC and RMGIC are used in dentistry, there will be times when one ... It also has photoinitiators present which enable light curing. The ionomer has a number of uses in dentistry. It can be applied ...
Chemical cure (self-cure / dark cure) Light cure Dual cure (setting both chemically and by light) Chemically cured resin ... light-curing resin composites were introduced in the 1970s. The first light-curing units used ultra-violet light to set the ... Curing time should be increased for darker resin shades. Light cured resins provide denser restoration than self-cured resins ... Therefore, UV light-curing units were later replaced by visible light-curing systems employing camphorquinone as the ...
... chemical-cure/light cure composite (dimethacrylate-based), although alternative systems using aluminium crown forms are ... The functions of temporary crowns are: Maintain the dental aesthetic Provisional restorations offer dental aesthetics purposes ... They can be partially cured for two to three seconds in the mouth and removed to be fully cured outside the mouth. Final check ... or a light cured composite. If a temporary crown becomes de-cemented, it is important that a dentist examine the patient as ...
... and retinal damage from blue curing light. Anti-amalgam sources typically promote removal of amalgam fillings and substitution ... "Dental Amalgam FAQs". Canadian Dental Association. Retrieved 24 November 2014. "Safety of Dental Amalgam". Policy Statement ... This discussion of the dental amalgam controversy outlines the debate over whether dental amalgam (the mercury alloy in dental ... Retrieved 13 June 2015.[dead link] "Statement on Dental Amalgam". American Dental Association. Retrieved 12 June 2015. "Dental ...
Water and Light. SDM Eye Hospital at Mangalore is a modern, scientific eye treatment center. The SDM Dental Hospital both ... The Nature Cure Hospital, built on the banks of the Netravati River, uses a system based on the five elements of Air, Earth, ... medicine and dental science in Dharmasthala, Ujire, Mangalore, Udupi, Dharwad, Hassan, Mysore and a few other places in the ... Dharwad SDM College of Dental Sciences, Dharwad MMK and SDM Women's College, Mysore SDM Institute for Management Development, ...
... chemically-cured or light-cured resins or resin composites. Indirect restorations are either made of chemically-cured acrylic, ... ISBN 978-953-51-3593-7. Media related to Dental crowns at Wikimedia Commons Dental Health: Dental Crowns Videos from Sheffield ... In dentistry, a crown most commonly refers to a dental cap, a type of dental restoration that completely caps or encircles a ... 12". Dental Materials. 22 (2): 176-182. doi:10.1016/ ISSN 0006-2960. PMID 16039706. Miyazaki, T; Hotta, Y ...
Each material is cured by UV light, which defines the overall geometry, and the engineering-grade resins have a secondary ... The M2d is an entry-level device for dental labs with the same base hardware as the M2 except for a smaller build area for ... "Carbon reinforces dental drive with launch of M2d 3D printer, new materials and software". 3D Printing Industry. 2019-02-25. ... "Revolutionizing Dental Labs" (PDF). April 2019. Archived from the original (PDF) on 2019-05-29. Saunders, Sarah ( ...
Seal exposed dentin with microhybrid acid-etched flowable light-cured resin Perform pulpotomy with MTA using a modified Cvek ... It is a challenging task to differentiate between a true periapical lesion and a normal periapical radiolucency of a dental ... DE may occur as a result of an unusual growth and folding of the inner enamel epithelium and ectomesenchymal cells of dental ... a rare developmental dental anomaly with great clinical significance". BMJ Case Reports. 2013: bcr2013009184. doi:10.1136/bcr- ...
"A clinical trial of light cure acrylic resin for orthodontic use". Journal of Orthodontics. 29 (1): 51-55. doi:10.1093/ortho/ ... Robot-assisted dental surgery, including for dental implants, has also been developed in the 2000s. As early as the 7th century ... "Dental art: A French dentist showing his artificial teeth". British Dental Association. 30 June 2010. Archived from the ... The history of dental treatments dates back to thousands of years. The scope of this article is limited to the pre-1981 history ...
A dental curing light is a piece of dental equipment that is used for polymerization of light-cure resin-based composites. It ... These curing lights use one or more light-emitting diodes [LEDs] and produce blue light that cures the dental material. LEDs as ... The halogen curing light replaced the UV curing light. The 1990s presented great improvements in light curing devices. As ... The development of the curing light greatly changed dentistry. Prior to the development of the dental curing light, different ...
"The director of A Cure for Wellness on the unforgettable dental scene". The Verge. Retrieved September 16, 2017. "A Cure For ... Roger Corman might have produced back in the day-if he'd been handed a boatload of cash and was given a green light to spend it ... A Cure for Wellness (Blu-ray). 20th Century Fox Home Video. 2017. ASIN B01LTICM98. Wikiquote has quotations related to A Cure ... "A Cure For Wellness Review". TV Guide. Retrieved March 17, 2018. Coen, Olie (June 17, 2017). "A Cure For Wellness (Blu-ray)". ...
Lamar decides his cure lies in faith. After dropping him off at the radio station (a power station), Lavonia goes home and has ... A fight ensues and Lavonia helps Lamar by burning the truck driver's scrotum with a light bulb. Lamar takes Lavonia and himself ... into dentist/marriage counselor Asa Lavender (Robert Pearson). After the dentist takes Lavonia to the dental room, his nurse ...
There are 3 main resin based cements; Light-cured - required a curing lamp to complete set Dual-cured - can be light cured at ... Dental cements have a wide range of dental and orthodontic applications. Common uses include temporary restoration of teeth, ... Recent uses of dental cement also include two-photon calcium imaging of neuronal activity in brains of animal models in basic ... Some dental cements can contain chemicals that may induce allergic reactions on various tissues in the oral cavity. Common ...
For some applications such as endoscopy and dental technology light guide systems are included. As in a pure xenon lamp, the ... These lamps are used primarily for UV curing applications, sterilizing objects, and generating ozone. Xenon short-arc lamps ... A xenon arc lamp is a highly specialized type of gas discharge lamp, an electric light that produces light by passing ... The reflector options are parabolic (for collimated light) or elliptical (for focused light). They are used in a wide variety ...
Dental spa, a facility under the supervision of a licensed dentist that combines traditional dental treatment with the services ... stimulated additional interest in water cures and advocated the external and internal use of water as part of the curing ... Next came a light breakfast, bath, and lunch. The doctors at Karlsbad usually limited patients to certain foods for each meal. ... Taking a cure' (Kur) at a spa is generally covered to a large amount by both public and private health care insurance. Usually ...
Other UV LEDs deeper into the spectrum do not emit as much visible light[37] LEDs are used for applications such as UV curing ... dental fillings, and decorative fingernail "gels". ... 300-320 nm: Light therapy in medicine. *300-365 nm: Curing of ... A black light lamp emits long-wave UV‑A radiation and little visible light. Fluorescent black light lamps work similarly to ... "The Importance of UV Light for Plants Cultivated Indoors". Best LED Grow Lights Info. 11 June 2017. Retrieved 24 June 2017.. ...
In 2002, P&G was sued for its ads falsely suggesting to the consumers that the drug Prilosec could cure heartburn in a day.[95] ... Kominicki, John, "James Gamble's Candles and Soap Lit Up Profit: Do It Right: He Helped Put P&G on an Ethical Path to Top", Los ... Dental companies of the United States. *Health care companies based in Ohio ... including The Guiding Light, which had begun as a radio serial, and made the transition to television lasting 72 years).[74] ...
The English word therapy comes via Latin therapīa from Greek: θεραπεία and literally means "curing" or "healing".[4] ... whereas things like anesthetics or prophylactic antibiotics before dental surgery are called premedication. ... by light: light therapy (phototherapy) *ultraviolet light therapy *PUVA therapy. *photodynamic therapy *photothermal therapy ... A therapy with curative intent, that is, one that seeks to cure the root cause of a disorder. (also called etiotropic therapy) ...
Sometimes it leads to bizarre results, such as suggestions to cure "prostitute phobia".[2] Such practice is known as content ... a negative phototaxis or phototropism response, or a tendency to stay out of the light ... Dental fear, odontophobia fear of dentists and dental procedures Dentophobia fear of dentists ...
Dental stops are usually affricated before high front vowels and semivowels: in other words, /ty/, /ti/, /tɥ/, /tj/, /dy/, /di/ ... lit /li/ → [lɪt].. There is also the special case of "debout" [dœ̈bʊt] 'standing up' and "ici" [isɪt] 'here' (sometimes ... yː] → [ʏy̯], as in cure [kʏy̯ʁ], Eng. "treatment". *[ãː] → [ãʊ̯̃], as in banque [bãʊ̯̃k], Eng. "bank" ...
... prevent or cure cancer". The use of herbal remedies is more prevalent in people with chronic diseases, such as cancer, diabetes ... Journal of Dental Hygiene. 81 (3): 67. PMID 17908423. Nekvindová J, Anzenbacher P (July 2007). "Interactions of food and ... trained in both Western and traditional Chinese medicine have attempted to deconstruct ancient medical texts in the light of ... cure, mitigation, treatment, or prevention of disease and/or intended to affect the structure or any function of the body" when ...
Light-colored clothing may make it easier to see ticks and remove them before they bite. Military and outdoor workers' uniforms ... Another method originating from Australia consists in using about 20 cm of dental floss or fishing line for slowly tying an ... Remaining people are considered cured but continue to experience subjective symptoms, e.g. joint or muscle pains or fatigue. ... usually mild meningitis signs such as inability to flex the neck fully and intolerance to bright lights but typically no or ...
He lit the car on fire. Authorities found the burnt-out car but despite massive searches they could not locate Moore's remains ... Gates claimed that Moore had been an "invalid" for seven years prior to her marriage but her cooking cured him. She said in ... A skull was found in 1957 in the area where Evans allegedly buried Moore, but dental records did not match Moore's. Moore ...
He continued: Windsor's injury was cured by the judgment in her favor. ... What the petitioner United States asks us to do in ... Federal employees in same-sex marriages can apply for health, dental, life, long-term care and retirement benefits. Legally ... BLAG stated in a court filing that in light of Windsor, they would no longer seek to defend this case or similar statutes in ... dental, life, long-term care and retirement benefits". The Washington Post. Retrieved March 5, 2014. Johnson, Chris (December ...
San Antonio Light. April 30, 1933. p. 7 Fiks, Arsen P. (2003). Self-experimenters: Sources for Study. Praeger. p. 115. ISBN 0- ... The Journal of the American Dental Association 50: 742. Cattell, Jasques. (1960). American Men of Science: A Biographical ... for the unusual experiment because he had already suffered from digestive troubles and hoped the research would aid in curing ...
This is one of the biggest social problems in Japan, known as "taiki jidō problem" (待機児童問題, lit. ''standby children problem'') ... paternalist cure approach and street education." The creation of childcare programs in Mexico is quite different from others ... and even medical and dental care. The centers would charge parents on a sliding scale."[citation needed] Various proposals have ...
Gloves or a dental mirror may stick to the tissues. Fissured tongue with atrophy of the filiform papillae and a lobulated, ... Photophobia (light intolerance). Dryness of other mucosae, e.g., nasal, laryngeal, and/or genital. Burning sensation. Itching ... Wijers OB, Levendag PC, Braaksma MM, Boonzaaijer M, Visch LL, Schmitz PI (2002), "Patients with head and neck cancer cured by ... Saini, T; Edwards, PC; Kimmes, NS; Carroll, LR; Shaner, JW; Dowd, FJ (2005). "Etiology of xerostomia and dental caries among ...
"Ig Nobellian Milken, junk-bond king, now crusades for cures". 14 September 2015. Ig Nobel prizes debut, The ... seven light bulbs; a knife sharpener; two flashlights; a wire spring; a snuff box; an oil can with potato stopper; eleven ... "Patient Preference for Waxed or Unwaxed Dental Floss". Economics - Presented jointly to Nick Leeson and his superiors at ... Schwab, I. R. (2002). "Cure for a headache". British Journal of Ophthalmology. 86 (8): 843. doi:10.1136/bjo.86.8.843. PMC ...
... and cures of about 70 patients who came to the temple with a problem and shed it there. Some of the surgical cures listed, such ... For example, he was the first to recognize the reaction of the eye's pupil to light. In addition to contributions to humanity's ... Medicine portal Health care in the United States History of dental treatments History of herbalism History of hospitals History ... Medical optimism in the capacity of the asylum to cure insanity soured by the close of the nineteenth century as the growth of ...
1969 Light metal and light metal alloys - Tubes - Tensile Test [Withdrawn: replaced with ISO 6892-1] ISO/R 953:1969 Light metal ... 1995 Dental materials - Alloys for dental amalgam [Withdrawn: replaced with ISO 24234] ISO 1560:1985 Dental mercury [Withdrawn ... Making and curing test specimens ISO 1920-4:2020 Part 4: Strength of hardened concrete ISO 1920-5:2018 Part 5: Density and ... and light metal alloys - Tubes - Drift expanding test [Withdrawn: replaced with ISO 8493] ISO/R 954:1969 Light metal and light ...
Journal of Dental Research, Dental Clinics, Dental Prospects. 14 (4): 250-261. doi:10.34172/joddd.2020.043. ISSN 2008-210X. PMC ... To cure the infection and save the tooth, the dentist drills into the pulp chamber and removes the infected pulp. To eliminate ... Turek T, Langeland K (October 1982). "A light microscopic study of the efficacy of the telescopic and the Giromatic preparation ... Medicine portal American Association of Endodontists Dental implant Dental pulp Dentistry Gum inflammation Nickel titanium ...
No cure for NS is known. Treatment is based on the symptoms and underlying problems, and extra support in school may be ... Facial features include widely spaced eyes, light-colored eyes, low-set ears, a short neck, and a small lower jaw. Heart ... Management guidelines, divided by systems, including general, developmental, dental, growth and feeding, cardiovascular, ... which can lead to dental problems. Similar to the muscular manifestations above, in the mouth, poor tongue control may be ...
Yogh (Ȝ ȝ) is used in certain Middle Cornish texts, where it is used to represent a variety of sounds, including the dental ... In 2016 Kelly's Ice Cream of Bodmin introduced a light hearted television commercial in the Cornish language and this was ... poems about fishing and curing pilchards, and various translations of verses from the Bible, the Ten Commandments, the Lord's ... The first sound change to distinguish Cornish from both Breton and Welsh, the assibilation of the dental stops /t/ and /d/ in ...
Dental disease could even be fatal, such as for Djedmaatesankh, a musician from Thebes, who died around the age of thirty five ... Jackson, Russell (6 December 2006). "Mummy of ancient doctor comes to light". The Scotsman. Edinburgh. Retrieved 24 March 2011 ... 15 The recipes to cure constipation consisted of berries from the castor oil tree, Male Palm, and Gengent beans, just to name a ... Dental treatment was ineffective and the best sufferers could hope for was the quick loss of an infected tooth. The Instruction ...
They shed light on social and economic issues, including student debt, digital learning, food insecurity, and homelessness, as ... For the first two years of the pandemic, no specific and effective treatment or cure was available. In 2021, the European ... COVID-19 infection prevention and control measures for primary care, including general practitioner practices, dental clinics ...
It is commonly used to identify and localise cancers as when it is under activation of blue light the red fluorescence of the ... These include "prevention of cancer, diagnosis and staging of disease, disease cure, tumour debulking, symptom palliation and ... Wilkins EM (April 2008). "The Patient with Cancer". Clinical Practice of the Dental Hygienist Workbook. Lippincott Williams & ... The combination of HPD with red light (photoradiation) has been used on various malignant tumours including malignant melanomas ...
... radiation cured PSA); or they may be high-viscosity materials that are heated to reduce viscosity enough to allow coating, and ... as in dental adhesives), chemical reaction (such as two part epoxy), or cooling (as in hot melt). In contrast, pressure- ... sensitive adhesives (PSAs) form a bond simply by the application of light pressure to marry the adhesive with the adherend. ...
The injury was cured. The patient kept the small piece of bone from his tibia under his bed. But two years later there was a ... Qiūshí 秋石 (lit. "autumn mineral"), translated as "urea" and "processed white sediment of human urine with salt" (Luo), was ... Chǐyìn 齒垽 "tartar; dental calculus; plaque" (52.20) uses the rare name yìn 垽 "sediment: dregs" instead of gòu 垢 "filth" in the ... The 52.35 mùnǎiyī 木乃伊 "mummy; mellified man" drug was not a Chinese drug and came from Tianfangguo (lit. 天方國 "Kaaba countries ...
By the grace of God, may doctors prosper in service [of humanity]. May God grant his believers and worshipers cure at their ... In the tradition of the Fatimids, the Da'i al-Mutlaq delivers ten wa'az (Persian: وعظ, lit. 'sermons') on Islamic philosophy, ... dental hygiene and vaccination camps, a sports day and a community breakfast on New Year's Day. He has also launched a global ... The faculty of Funun al-Quran, a department of Aljamea-tus-Saifiyah, oversees elaborate Tazyeen (lit. 'decor') of the host ...
"Form Wash and Form Cure: Automated Post-Processing". Formlabs. Retrieved December 24, 2017. "Form Wash and Form Cure: ... "Formlabs New Dental Unit & The Formlabs 3B: Dentistry Done Different". November 12, 2019. Retrieved March 10, 2020 ... true light touch supports, and the new build platform 2, which uses a flexible stainless steel sheet held with magnets to a ... The Form Cure is an ultraviolet postcuring system. After printing, the build platform on the Form 2 can be removed and ...
Colonel, The King's Own Yorkshire Light Infantry Vice-Admiral Peveril Barton Reiby Wallop William-Powlett CB CBE DSO Sir John ... Chief Dental Officer, Federation of Malaya. George Edward Noel Oehlers. For services to Local Government in Singapore Dudley ... Hogg Robinson and Capel-Cure, Ltd. William Martin JP Member, National Union of Agricultural Workers Elsie Maskell, Clerical ... The Somerset Light Infantry (Prince Albert's), Territorial Army Sergeant Alfred George Young, Royal Corps of Signals. Flight ...
Gollmann recommended the following as cures: aconite to cure "shooting pains with soreness and inflammation;" mercury "for ... Leslie Delong; Nancy Burkhart (27 November 2017). General and Oral Pathology for the Dental Hygienist. Wolters Kluwer Health. p ... referring to a medieval red-light district in Paris, Les Clapiers. Translating to "The rabbit holes", it was so named for the ... Addition of topical antibiotics have not been shown to improve cure rates compared to oral antibiotics alone in treatment of ...
Sunlight acts as a bleach through a process leading to similar results: high energy photons of light, often in the violet or ... Kuruvilla, Carol (22 May 2019). "New Jersey Pastor Has Been Passing Off Bleach As A 'Miracle Cure' In Uganda: Report". HuffPost ... International Dental Journal. 62 (4): 208-212. doi:10.1111/j.1875-595X.2011.00111.x. PMID 23017003. "Dr Laundry - Clorox". 28 ... This unexposed halide is then exposed to light or is chemically treated so that a second development produces a positive image ...
... an overview for dental professionals from the ADA. ... Effective use of dental curing lights: A guide for the dental ... FDA Clearance of Dental Curing Lights.To market or sell a dental curing light in the USA, the U.S. Food and Drug Administration ... for dental curing lights. Entering "EBZ" on the website will provide a list of all dental curing lights the FDA has cleared, ... Dental light curing units (LCUs) are hand-held light emitting devices used to cure such photo-activated polymer-based ...
The cameras field of view (FOV) is coaxial with the centerline of the curing beam of the light engine. The curing light ... the control system computes the distance between the curing light and the target. The reflected intensity and the calculated ... The camera provides real-time measurement of light intensity reflected back from the targeted surface. Using the multiple image ... a light engine, 2) a coaxially aligned, camera-based viewing system, and 3) a control system providing a variety of safety ...
Curing Light Sleeve 3M Elipar S10 100/Box for your dental office ✷ Fast shipping ✷ Premier Members save 10% more sitewide ✷ ... Curing Lights & More*Curing Lights*Curing Light Accessories. Orthodontics*Treatment Materials & Accessories*Orthodontic ... Curing Light Sleeve 3M Elipar S10 100/Box. TidiShield™ LED curing light sleeves offer custom fit. TidiShield™ Curing Light ... Curing Light Sleeve 3M Elipar S10 100/Box. Order Tidishield™ Curing Light Sleeve 3M Elipar S10 100/Box for your dental office ...
Flight Dental Systems is a Canadian owned and managed dental equipment manufacturer and distributor with operations in over 25 ... Dental Handpieces*Flight/MK Dent Handpieces*MK Dent ECO Line High Speeds ... Dental Handpieces*Flight/MK Dent Handpieces*MK Dent ECO Line High Speeds ... Curing Lights*Xlite 2 NEO Curing Light. *X-Cure Curing Light. *Xlite 2 Curing Light ...
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  • The most common photoinitiator used in dental resins today is camphorquinone (CQ). (
  • The first light-cured resins used in dentistry date to the early 1970s and were cured using ultraviolet (UV) LCUs. (
  • Hardness is one of the basic properties of dental materials, specially composite resins which is relevant to their polymerization. (
  • The aim of this study was to evaluate the effect of light curing distance and the color of clear Mylar strips on surface hardness of Silorane-based (SCR) and Methacrylate-based composite resins (MCR). (
  • Composite resins activated by ultraviolet light and visible light have become an essential part of the armamentarium of the dentist undertaking restorative, preventive and orthodontic dentistry [1,2]. (
  • Light sources used to activate polymerization of light-cured DENTAL CEMENTS and DENTAL RESINS . (
  • The elastic abrasives in this family are specifically designed for processing light-curing resins used in the dental sector. (
  • A note about BPA: A 2012 study that received wide press coverage raised concerns that trace amounts of the chemical bisphenol-A (BPA) found in some (but not all) dental resins might contribute to behavioral problems in children. (
  • The ability to easily and effectively cure polymer-based restorative materials using light energy has revolutionized the field of dentistry over the past 50 years. (
  • Photo-activated dental materials, including certain sealants, resin-based cements and composite restorative materials, are an integral part of a general dental practice. (
  • Dental light curing units (LCUs) are hand-held light emitting devices used to cure such photo-activated polymer-based restorative materials (PBRMs). (
  • Riva light cure - the glass ionomer restorative with true esthetics. (
  • Riva Light Cure is a light-cured, resin-reinforced glass ionomer restorative cement. (
  • Riva Light Cure is useful for a wide range of restorative applications. (
  • Light-cure, radiopaque, restorative composite resin. (
  • Using the Fournier transform infrared spectroscopy (FTIR) technique of analysis, the degree of polymer matrix conversion of 6 restorative materials was examined: Gradia Direct, Arkon, Filtek Z550, Herculite XRV, Tetric Evo Ceram, Charisma, polymerized with LED light. (
  • 1. Restorative dental materials are chemically unstable in the conditions of the present study. (
  • 2. Polymer-based restorative dental materials available on the European market demonstrate cytotoxic properties constituting a potential threat to the patients' health. (
  • Bakopoulou A, Papadopoulos T, Gerefis P. Molecural toxicology of substances released from resin based dental restorative materials. (
  • Aim: To evaluate the impact of different light-curing times on dentin microtensile bond strength of two restorative systems after 24 h and 6 months of water storage. (
  • Methods: Standardized Class II preparations were performed in 56 freshly-extracted human molars (n = 7), restored with methacrylate- or silorane-based restorative systems, and light-cured using a light-emitting diode at 1390 mW/cm2 by the recommended manufacturers' time or double this time. (
  • Once placed, sealants help to block bacteria, tartar, plaque, and food particles to protect the teeth and minimize the need for future restorative care, such as with fillings or dental crowns. (
  • At Tampa Dental Wellness, we offer both cosmetic and restorative dentistry. (
  • In fact, BPA is far more prevalent in food and beverage packaging than in dental restorative materials. (
  • Light-curing micro hybrid restorative materialIndicationsFor cavities classes I to VReconstruction of traumatically affected anteriorsVeneering of discoloured anteriorsSplinting, locking of teethAdvantagesCombines the advantages of micro-filled and macro-filled compositesNon-sticky, good packabilityAbrasion-proof and stable shadesLow shrinkageDurable and resistant restorationsLow water uptake. (
  • MARC uses simulated restorations and provides values for irradiance received by the restorations during curing along with radiant exposures. (
  • Low curing settings can help to reduce shrinkage or be gentler to pulp tissue in the case of deeper restorations. (
  • DYNAMIC PLUS is a visible light cure microhybrid composite for anterior and posterior restorations. (
  • The first lens layer distributes the light energy evenly across the entire lens surface while the second lens layer focuses that energy to deliver it deeper into your restorations to achieve optimal depth of cure. (
  • The large spot size ensures full coverage over even the largest restorations, reducing the need for multiple cures. (
  • Having many shades available, Riva Light Cure enables natural looking restorations with chameleon effects. (
  • The new curing lenses include the PointCure lens that creates a 2.5mm diameter curing area to aid in position and tack curing, and the ProxiCure ball lens that holds matrix against contact while curing composite for Class II restorations. (
  • More specifically, these lights have a potential application for use in transillumination with white light for the detection of caries and calculus and the examination of existing restorations [12]. (
  • The Food and Drug Administration and other organizations of the U.S. Public Health Service (USPHS) continue to investigate the safety of amalgams used in dental restorations (fillings). (
  • However, no valid scientific evidence has shown that amalgams cause harm to patients with dental restorations, except in rare cases of allergic reactions. (
  • Some may lack tip selections, lack timers, and may have a harder time curing certain composites. (
  • A dental Light Cure filling is a piece of dental equipment that is used for polymerization of light cure filling resin-based composites. (
  • High Performance at Low Cost Featuring 1200 mW/cm2 power for a typical 10-second cure of all composites, 10mm wide tip, and easy one button operation. (
  • Physical properties of current dental nanohybrid and nanofill light-cured resin composites. (
  • Three nanohydrid dental composites (Tetric EvoCeram (TEC), Grandio (GR) and Protofill-nano (PR)) and two nanofill composites (Filtek Supreme Body (FSB) and the Filtek Supreme Translucent (FST)) were used in this work . (
  • PrograPrint Cure provides a consistently high light intensity and can therefore also be used for curing light-curing lab composites, e.g. (
  • Infrared spectroscopy: A tool for determination of the degree of conversion in dental composites. (
  • Some composites hold their shape well, while others will sag before they're cured. (
  • Composites and adhesive systems are by far the most widely- composite/adhesive-dentin bond interface integrity as a result used and versatile dental material available to the dental from poor initial adhesion appear to be largely related to these professional1. (
  • Objective: To evaluate the fracture resistance of premolars with class II disto occlusal preparations restored with light cured composite with light cured composites layered incrementally and silver amalgam in comparison with intact and unrestored teeth. (
  • The word intensity is often used in discussing curing lights, but the terms irradiance (radiant incidence) and radiant exitance are more precise. (
  • The camera provides real-time measurement of light intensity reflected back from the targeted surface. (
  • The reflected intensity and the calculated distance enable the control system to compute a light engine irradiance to achieve a desired irradiance at the targeted surface. (
  • High intensity LED light provides output comparable to a plasma arc light. (
  • LED light intensity up to 2,000 mW/cm2, only 3 seconds to cure a depth of 4 mm. (
  • Woodpecker O-Light 1 Second Curing light unit, a product from DTE Woodpecker provides high precision, high intensity focused light for effective polymerization of resin materials containing new style photo-initiators TPO. (
  • Ultradent Products has introduced six new lenses for its VALO Grand curing light, which uses a multi-wavelength LED for producing high-intensity light. (
  • Constant light intensity for Woodpecker dental curing light. (
  • Aim: The present study aims to evaluate the intensity of light curing units among practitioners in Palestine. (
  • 83.5% showed low output intensity of curing light. (
  • Conclusion: The practitioners in Palestine use light curing units with low output intensity as measured with a radiometer. (
  • The unit is characterized by its high light intensity. (
  • Tooth bonding is the application of a tooth-colored resin material using adhesives and a high-intensity curing light. (
  • Degree of cure and bond strength depends on exposure time, wavelength, and intensity of the curing light. (
  • Then, a high-intensity light will be used to harden the composite. (
  • True Spin Dental has specialized in dental handpiece repairs since 2007 and are experts in repairing all handpieces. (
  • Incepted in the year 2015, Equitech Engineers Private Limited is a company known to be amongst the prominent manufacturer and trader of Dental Chair, Apex Locator, Dental X Ray Machines, Dental Handpieces, Wood-pecker Curing Light and many more and also Service Provider of Dental Equipment Rental Service, Dental Equipment Maintenance Service and etc. (
  • Diamond Burs Tooth Drills for Dental High Speed Handpieces. (
  • Given that practicing dental professionals often spend a large portion of time performing tasks that involve using PBRMs, the convenience of being able to rapidly light-cure these dental materials has revolutionized dentistry over the last 50 years. (
  • There are a wide variety of LCUs, and the technology has developed continually since photo-curing was first used in dentistry. (
  • 4, 5 As long as the wavelength of the light matches the absorption range of the photoinitiator with sufficient energy, a variety of light sources may be used for photopolymerization in dentistry, as discussed below. (
  • Dentistry Open mouth during drilling treatment at the dentist in dental clinic. (
  • Here at Grins and Giggles Family Dentistry in Spokane Valley, WA, the most inexpensive way to repair a chipped or broken tooth is dental bonding. (
  • Dr. Margeas is also a fellow in the Academy of General Dentistry, the American Society for Dental Aesthetics, and the International Team of Oral Implantologists. (
  • Widely regarded as one of Canada's largest provider of dental supplies, Sinclair Dental offers more than 20,000 products and an extensive range of dental equipment, digital dentistry technologies, and services. (
  • At your child's dental exam and cleaning visits at Advanced Dentistry, our dentists will determine if the sealants need to be applied at any time to protect your child's oral health over the years. (
  • At Tampa Dental Wellness, we offer a range of cosmetic dentistry services, and we can combine treatments into a personalized smile makeover. (
  • Gaps, crowding, and crooked teeth are common issues that can be addressed with cosmetic dentistry treatment at our Carrollwood dental practice. (
  • They maintain memberships in exclusive dental organizations by staying up to date with developments in dentistry and by consistently producing beautiful results for patients. (
  • At Tampa Dental Wellness , we do not take a one-size-fits-all approach to cosmetic dentistry. (
  • The American Academy of Pediatric Dentistry and the American Dental Association have since reaffirmed their support for the use of sealants. (
  • If oral health issues are making you afraid to smile, consider the exceptional cosmetic dentistry options from Arrowhead Creekside Dental. (
  • Arrowhead Creekside Dental offers a variety of cosmetic dentistry options to get your smile back on track! (
  • A simpler form of cosmetic dentistry, dental bonding is often performed without the use of an anesthetic (except for a filling procedure) and usually requires only one visit to a dentist. (
  • The next area of cosmetic dentistry focus in your dental makeover is the shape of the mouth. (
  • Due to increased dental diseases and their treatment, increased demand for cosmetic dentistry, and advancement in technology, the demand for dental equipment is expected grow over the coming years. (
  • Advances in technology and dental research have made cosmetic dentistry less complicated. (
  • Woodpecker LED-H Curing light is a cordless composite resin curing light which adopts the principle of ray radiation to solidify the light- sensitive resin by shooting at it in a short time.Curing time is only 3 seconds and power is 5. (
  • Star Woodpecker cordless curing light with an elegant design and the most advanced technology to harden dental resin. (
  • Woodpecker led gel curing light has large capacity battery. (
  • Dental Ultrasonic Scaler Perio Scaling Tips For EMS/WOODPECKER Handpiece. (
  • Do you have any questions about Woodpecker I LED Dental Wireless LED Curing Light 2300mw/CM2? (
  • 1Set Original Woodpecker Dental Ultrasonic Piez. (
  • Original Woodpecker Dental Ultrasonic Piezo Sca. (
  • Woodpecker Dental LED Ultrasonic Piezo Scaler B. (
  • 4, 7 As a result, curing units designed to emit UV light were replaced with LCUs that emit light in the visible spectrum, including quartz-tungsten-halogen (QTH) lights. (
  • Dental light-curing units are handheld devices that are used for the polymerization of visible light-activated dental materials. (
  • These curing lights produce focused beams and typically are designed within large base units and small tips for the desired effect. (
  • It is one of the most reliable light cure units. (
  • The results indicate that emission from dental light curing units can affect the oral mucous membrane and may reduce its functional abilities. (
  • PrograPrint consists of the PrograPrint PR5 3D printer, coordinated cleaning and post-curing units and an array of resin materials. (
  • For a light-cured resin-based restoration to function and last as intended, it must receive the required amount of light energy at the proper wavelength (i.e., the wavelength of the photoinitiator) to facilitate optimal polymerization (or curing). (
  • 4, 7 However, within a few years of the introduction of UV-curing, dental materials were reformulated to include visible light wavelength photoinitiators, such as CQ. (
  • What's Output Wavelength of Curing Lights? (
  • Halogen lights always had the benefit of pumping out a broad spectrum in terms of the wavelength of the light emitted. (
  • Ophthalmic research into the appearance of blue light lesions has not ruled out the possibility that short wavelength light (visible light with wavelengths of less than 500 nm) may contribute to premature aging of the retina and to senile macular degeneration [6]. (
  • This meant they could be compatible and cure any dental bonding materials. (
  • Franz A, König F, Lucas T, Watts DC, Schedle A. Cytotoxic effects of dental bonding substances as a function of degree of conversion. (
  • Dental bonding is an excellent tool to address this nagging problem. (
  • From a patient's point of view, dental bonding is one of the easiest procedures available. (
  • Do I Need Dental Bonding? (
  • One of the easiest and least expensive ways of doing this is with dental bonding. (
  • Though bonding will not last as long as a dental veneer, it also does not require the involvement of a dental laboratory and, most often, can be done without drilling of the tooth. (
  • Because it does not involve dental laboratory work, tooth bonding can usually be accomplished in a single visit to the dental office. (
  • A special curing light is used to harden this bonding material. (
  • The bonding material is then shaped using a dental drill to give it just the right form. (
  • Dental Composite materials for direct anterior and posterior composite bonding. (
  • Brackets are small squares that your dentist bonds directly to the tooth using dental bonding and a curing light. (
  • Working with composite bonding requires a few tools such as an angled flat dental instrument for placement and repositioning of the bonding material as well as an articulating paper for checking the contact points. (
  • Dental bonding in the Phoenix area is available from experienced dentist Beth Hamann, D.D.S.. If your teeth have unsightly cracks or discoloration, dental bonding can help. (
  • Close-up of female doctor pointing at teeth x-ray image at dental office. (
  • This plastic comes from the dental industry and was originally used to seal teeth. (
  • Our team of dental specialists and staff strive to improve the overall health of our patients by focusing on preventing, diagnosing and treating conditions associated with your teeth and gums. (
  • It's a particularly good solution for teens, who often need to wait until their teeth have finished maturing before choosing a more permanent type of dental restoration. (
  • Bonded teeth should be brushed and flossed daily, and professionally cleaned at the dental office twice per year, just the same as the rest of your teeth. (
  • So if you are thinking about having your teeth whitened, it should be done before your tooth is bonded so that a composite shade can be selected to match the lighter color of your whitened teeth. (
  • Children have significantly less tooth decay in their primary (baby) and permanent teeth today than they did in the early 1970s, according to the Journal of the American Dental Association (JADA). (
  • The strength and durability of traditional dental materials continue to make them useful for situations where restored teeth must withstand extreme forces that result from chewing, such as in the back of the mouth. (
  • Benefits of this procedure include enhanced appearance and improved dental function, such as restoration of tooth surfaces that have been worn down due to teeth grinding. (
  • This dental procedure code covers the application of a bleaching agent to teeth within either the mandibular or maxillary arch. (
  • The best candidates for dental sealants in State College, PA, are patients who may be at risk for developing cavities in the molar or premolar teeth. (
  • During your child's visit, our dentists will examine their teeth and determine if dental sealants are ideal. (
  • Before applying dental sealants, our team will clean the treatment surfaces of the teeth to remove bacteria, plaque, and tartar and apply a conditioning solution, which will help the sealants better adhere to the tooth structure. (
  • By straightening your teeth, bleaching stains, and correcting other kinds of dental imperfections, you can enhance your overall appearance for a more beautiful smile. (
  • Dental sealants are invisible plastic resin coatings that smooth out the chewing surfaces of the back teeth, making them resistant to decay. (
  • Sealed teeth require the same conscientious dental hygiene as unsealed teeth. (
  • Porcelain - Porcelain veneers are thin shells of porcelain adhered to the outer surface of the tooth that mimic the light-reflecting properties of natural teeth. (
  • The resin is added to your teeth as a liquid before being cured and polished. (
  • You may be advised to have your child's teeth sealed by their dentist during their next dental appointment. (
  • Dental sealants help prevent tooth decay from developing on the chewing surfaces of your teeth. (
  • Result: Teeth restored with light cured composite incrementally placed in oblique layers produced a higher fracture resistance than any other group and showed the closest value to the intact teeth. (
  • Hello we're looking for a standalone dental light foreign orthodontic office. (
  • SK DENTEK (SK ORTHO) is a professional dental orthodontic materials supplier based in China. (
  • From our establishment in year 2005, SK DENTEK has grown and now offers an extensive variety of Dental Orthodontic Materials to our valued global customers: Key Products: - Orth. (
  • A proper curing light is essential for activating and setting the adhesive resin so it retains the desired bond strength. (
  • controlling the light source as a function of the determined distance to deliver the desired irradiance to the dental composite within the tooth. (
  • Researchers found evidence that, in some cases, fillings were more of a stop-gap than a cure for tooth decay - and could even actually contribute to the problem. (
  • Riva Light Cure is a combination of both with excellent aesthetics, fluoride release and chemically bonds to the tooth structure. (
  • The Interproximal lens provides a focused 1mm white light to help view interproximal caries, and the TransLume lens aids in the detection of cracks and defects in a tooth or prostheses. (
  • A dental tooth decay cavity found during routine dental. (
  • However, the current use of blue light is not without its disadvantages since the oral soft tissues surrounding the tooth cannot be completely excluded from the area of light application. (
  • A UV light is then used to cure the tooth. (
  • It involves a detailed understanding of natural tooth composition and form, choosing the right composite resin to rebuild and restore lost tooth structure, and understanding light and color. (
  • If the tooth was fully cracked or there was significant damage to the tooth, dental veneers may be recommended. (
  • Dental crowns are a "cap" that covers your tooth. (
  • If you have a chipped tooth, contact our dental office in Biloxi, MS as soon as possible. (
  • Schedule your child's first dental appointment before their first birthday or after the first baby tooth is visible, whichever comes first. (
  • Compared to other treatments, such as porcelain veneers or dental crowns, this method requires minimal, or no, removal of healthy tooth tissue and leaves a natural-looking result if done by the right clinician. (
  • Dental sealants are a simple, easy way to help protect your child's oral health against tooth decay (cavities). (
  • A sealed tooth is far less likely to develop a cavity, require more expensive dental treatment later on, or, most importantly, cause your child pain. (
  • The sealant is then painted on the tooth in liquid form and hardens in about a minute, sometimes with the help of a special curing light. (
  • Veneers are thin shells directly bonded to the front of the tooth, designed to cover a variety of dental obstructions. (
  • Agave Dental is a trusted Phoenix area dental implants practice providing natural-looking, comfortable tooth replacement. (
  • Discover the top 10 dental led lights cures for your practice! (
  • We can also help you decide which dental equipment is best for your practice. (
  • Hygiene saves lives - What happens with contaminated exhaust air in the dental practice? (
  • Talk to our experienced general dentists at your child's dental exam visit in our State College, PA, practice to learn if cavity protection with dental sealants is a good choice for your family's needs. (
  • a molecule that can absorb light and generate reactive species (free radicals) that initiate polymerization. (
  • Custom precision Dual-Core lens technology distributes the light output evenly across the large 10 mm lens surface while collimating the beam to achieve deep, uniform activation and complete polymerization. (
  • Due to the semi-circular arrangement of each 2 UVA fluorescent lamps and blue fluorescent lamps, a homogeneous polymerization light for a reliable and uniform curing of the materials is provided. (
  • The bluephase 20i is the next generation of bluephase LED polymerization lights. (
  • Visible light in the blue region of the spectrum has gained popularity as a source over ultraviolet light because of its ability to produce a greater depth of polymerization [3], and to avoid possible eye damage [4,5]. (
  • Providing you the best range of dental led light cure coltene coltolux led and dental led curing light with effective & timely delivery. (
  • The single mix technique was carried out by mixing and applying the putty (heavy body) and allowing it to harden before applying the wash (light body). (
  • Once the veneer has been cemented into place, a curing light or laser is used to harden the cement. (
  • This dental lab-led light curing machine features fast curing and high power LEDs to save fabricating denture restoration time. (
  • Featuring a larger 12.5 mm lens aperture, long-lasting custom LEDs, and optimized power output, with the new VALO X curing light you'll be able to uniformly cure all light-cured dental materials within an even larger curing area. (
  • 05-JAN-20] The Implantable Sensor with Lamp (A3030) contains a wireless EEG monitor and a radio-controlled stimulator for implanted light-emitting diodes (LEDs). (
  • A preclinical light-curing simulator called MARC (Managing Accurate Resin Curing) 10 was developed to help clinicians learn proper curing techniques. (
  • The lenses make it possible for clinicians to use the curing light "in increasingly nuanced ways to provide optimal care for their patients," according to the company's press release. (
  • Riva Light Cure Capsules contains 50 Riva Light Cure Capsules in B2 Natural Shade. (
  • The Black Light lens fluoresces chemicals in various dental materials, lastly, and the White Light lens provides a pure natural light for accurate shade matching. (
  • Intervention 1: Intervention group: SDF with light curing on caries primary molar. (
  • provides the competitive, top quality, healthy and safe dental hygiene products to customers. (
  • Watch more from Dental Products News. (
  • So after all of this time using their products, I was more than thrilled when the company reached out to Dental Products Report and myself with the idea of letting me do a Test Drive on their latest and greatest unit, the iTero Element 5D Plus. (
  • Takara Belmont, Ultradent Products, Yoshida Dental. (
  • Halogen curing lights have a wider selection of curing materials it can work with due to its wide bandwidth. (
  • However, it lacks the ability to cure all materials and can be quite expensive. (
  • However, it may not cure all materials and require small tips and cords to function. (
  • Most LED options have power greater than 1000 mW/cm2, and will do a great job of curing your materials. (
  • It can be used on several different dental materials that are curable by light . (
  • You decide which curing modes to make available on your menu, and as materials and techniques change, SiriusMax can too. (
  • Average values for dental materials and their components have been collated to create Fig. 1c . (
  • Materials and methods: Present study follows a cross-sectional study design to evaluate the type of curing light used, the tip diameter, presence of remnants on the tip as well as the curing light output measured using a radiometer. (
  • Users can also set up their own programs for other materials they may want to cure in the unit. (
  • Advances in modern dental materials and techniques increasingly offer new ways to create more pleasing, natural-looking smiles. (
  • The advent of these new materials has not eliminated the usefulness of more traditional dental restoratives, which include gold, base metal alloys and dental amalgam. (
  • Porcelain (ceramic) dental materials - All-porcelain (ceramic) dental materials include porcelain, ceramic or glasslike fillings and crowns. (
  • The mandibular right first molar was exposed to radiation from a dental light- curing unit for 40 seconds using Litex 600. (
  • Halogen - While considered to be an outdated product by industry standards, halogen lights have a reliable long track record for creating consistent cures. (
  • The camera's field of view (FOV) is coaxial with the centerline of the curing beam of the light engine. (
  • The curing light includes a multi-planar dichroic mirror (MDM) providing viewing and light beam direction aligned with the target. (
  • 4. A method is defined in claim 3 wherein the multi -planar mirror is dichroic and aligned with the light source beam. (
  • Most new-style L.E.D. curing lights have a better time with beam divergence, and any tips that fan out the light in a cone shape can divert the curing process and divert the energy needed to cure the composite. (
  • With the VALO X curing light you can count on a more complete cure thanks to its 12.5 mm lens and powerful custom LED chip that delivers superior curing depth and beam collimation with better thermal management than other lights. (
  • The 180 degree swivel head directs the curing beam precisely where it needs to be while allowing you to stabilize the device properly and maintain clear view of the activation and output selection controls. (
  • Regarding LCUs, irradiance is a measure of the power incident on a specific area from the curing unit tip, and radiant exitance is a measure of the power radiated out from the area of the curing unit tip. (
  • Our curing light unit has no need to change the UV fluorescent light tube, and there is an internal fan included. (
  • As some of the most expensive forms of curing lights, these create fast curing times and require a large unit to encompass the laser. (
  • Streamlined design, directly mounts to dental unit to save space. (
  • BD-402 Portable Dental Turbine Unit with Air Compressor +Suction System + Triple. (
  • 82.5% of practitioner had remnants of residual filling on the tip of the light cure unit. (
  • The present investigation was undertaken on rats to demonstrate the structural changes that took place after the exposure of the gingiva to a dental visible light curing unit. (
  • The PrograPrint Cure is a LED light-curing unit designed for curing printed objects. (
  • The PrograPrint Cure light-curing unit is a component of the PrograPrint system - a 3D printing system specially designed for dental applications. (
  • The unit has also been given some light and dark accents that give it much more of a 'space age' look. (
  • Dr. Beth Hamann, practicing in the Phoenix, AZ area, can provide you with the highest quality dental crowns available, and restore your smile. (
  • The VALO X curing light has been designed from the ground up to provide you with the durability, power, accessibility, and versatility you need. (
  • The VALO X curing light is equipped with two power modes (Standard Power and Xtra Power modes), two diagnostic aid modes (Black Light and White Light Diagnostic Aid modes), and the ability to work corded or cordless. (
  • Five accessory lenses come included with each light, further enhancing the versatility of your VALO X curing light. (
  • Plus, every VALO X curing light is covered by our 5-year manufacturer's warranty so you can be confident in your investment. (
  • The VALO X dental curing light is the ultimate in LED curing light technology. (
  • Vector Quazar Curing Light ( Compare to Valo! (
  • MCRs cured with blue Mylar strips from 0 mm distance had the highest (114.5 kg/mm 2 ) and SCRs cured with white Mylar strips from 2 mm distance had the lowest (42.2 kg/mm 2 ) mean of surface hardness. (
  • Light-cured and self-cured glass ionomer bases were more effective in reducing micro leakage in both the occlusal and proximal cavo surfaces than a flowable resin. (
  • Imagine replacing the MB cusp and the occlusal surface with light-cured composite that requires mimimal finishing and no polishing while easily saving 5 to 10 minutes of chair-time. (
  • It uses light emitting diodes that produce blue light that cures the dental material. (
  • Light-curing tray material with excellent physical properties. (
  • Megatray is a light cure tray material supplied in economical prefabricated sheets- eliminating mixing and mess. (
  • This material is set by using a light to cure the material. (
  • Dental Impression Material Dispenser Gun Mixing. (
  • Of the physical properties which may adversely affect the fit and retention of dental prostheses, dimensional change in the impression material is considered the most serious. (
  • Composite is then shaped to replace the chip and hardened with a dental curing light, instantly solidifying the material. (
  • We will then paint the sealant material onto the chewing surfaces with a small brush and set the material using a special curing light. (
  • Reflective coating distributes the light evenly inside the curing chamber and ensures that the printed objects are optimally illuminated. (
  • Our dentists offer a wide range of treatments to fit all your dental care needs in a spa-like atmosphere that ensures you don't feel like you are at a dentist's office. (
  • The printed objects can be left on the build platform of the PrograPrint PR5 whilst they are being cured: The curing chamber offers sufficient space for both of them. (
  • The dental flowable composite that is a dependable companion with many use,it flows when you want it and stays where you need it. (
  • Here your dentist can help by placing dental sealants. (
  • According to the CDC, dental sealants can prevent 80% of cavities within two years of placement and 50% for up to four years. (
  • What Are Dental Sealants? (
  • Who Is a Candidate for Dental Sealants? (
  • Are There Aftercare Instructions for Dental Sealants? (
  • Dental sealants are a preventive treatment that many insurance companies cover some or all of the costs for children. (
  • Fortunately, there is a good solution to this problem: dental sealants. (
  • The study authors noted that while they had found an association, they had not actually proven that BPA in dental sealants causes these problems. (
  • But you can take a proactive role in preventing this with dental sealants. (
  • The best time to apply sealants will be determined by your dentist during your regular dental examination. (
  • Assuming this SSP used disposable instruments, light-cured sealants and delivered sealants (3 per child) to 60 percent of the 3,390 children screened over 100 service days, infection control/supply costs per child would equal $5.30. (
  • Browse 41,381 dental cavity photos stock photos and images available, or start a new search to explore more stock photos and images. (
  • Porcelain veneers typically last between 10-15 years, while composite resin dental veneers last around 4-8 years. (
  • 5pcs Shading Part for Dental Curing Light Cure Light Curing Mach:on european soil only, our store means more than 620 stores in premium locations, across 20 countries and closing in on 30 years of history. (
  • It is important to consider that curing lights can cause an intrapulpal temperature rise. (
  • Visible light generators produce heat which may elevate the intrapulpal temperature and/or dehydrate the dentin [9,10]. (
  • Instead, have separated them into an Implantable Stimulator-Transponder ( IST ), an Implantable Light-Emitting Diode ( ILED ), and a Subcutaneous Transmitter ( SCT ). (
  • Plasma Arc - A plasma arc curing light consists of having an aluminum oxide vessel containing high energy xenon gas under 150 psi. (
  • Proper infection control procedures when using curing lights support both patient safety and equipment maintenance. (
  • Flight Dental Systems is a Canadian owned and managed dental equipment manufacturer and distributor with operations in over 25 countries around the world. (
  • New, Used & Refurbished Dental Equipment. (
  • Buy discount china dental equipment online at with the high-quality and fast shipping to worldwide! (
  • Buy more related dental equipment and Save more! (
  • Canada's fastest growing dental supply and equipment company, Sinclair Dental is the trusted brand relied on by Canadian Dentists and staff across the country. (
  • Joining the Sinclair Dental team puts you at the center as we connect the Canadian dental industry with best-in-class dental supply and equipment brands from the world's top manufacturers. (
  • Global Dental Equipment Market is projected to be worth USD 14.06 billion by 2032. (
  • The Global Dental Equipment Market is predicted to grow most rapidly in emerging economies. (
  • The COVID-19 outbreak has had a substantial effect on the market for dental equipment. (
  • For more information on veneers, continue reading or give West Hampton Dental Care in Marietta, Georgia a call today at 470-374-5660 ! (
  • If you are interested in getting composite veneers, our dental team is here for you! (
  • Did you know that dental veneers can reverse the wear, tear, and age of your entire smile? (
  • LED Lights - L.E.D., or Light Emitting Diode, restricts the current flow of light into one direct through its connection to a circuit. (
  • Established in 1982, Practicon, Inc. began with a vision of improving dental health and dentists' professional success through patient education. (
  • A dental light cure machine is an essential tool for dentists. (
  • If cosmetic dentists and esthetic surgeons want to create beautiful smiles, they must begin to think like the great dental makeover artists. (
  • TidiShield™ Curing Light Sleeves are constructed with a crystal clear SureCure Window™ that virtually eliminates light degradation for confident cures. (
  • Including DOE exam wand with violet light head, green fluorescence goggle, orange fluorescence goggle, , charging stand, power adapter, 100 barrier sleeves and DVD or USB training guide with patient. (