Dental Implants: Biocompatible materials placed into (endosseous) or onto (subperiosteal) the jawbone to support a crown, bridge, or artificial tooth, or to stabilize a diseased tooth.Zygomatic Fractures: Fractures of the zygoma.Tooth Extraction: The surgical removal of a tooth. (Dorland, 28th ed)Facial NeoplasmsPeriodontal Ligament: The fibrous CONNECTIVE TISSUE surrounding the TOOTH ROOT, separating it from and attaching it to the alveolar bone (ALVEOLAR PROCESS).Bicuspid: 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)Retrospective Studies: Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons.Civilization: The distinctly human attributes and attainments of a particular society.GuatemalaBurial: The act or ceremony of putting a corpse into the ground or a vault, or into the sea; or the inurnment of CREMAINS.Osteoma: A benign tumor composed of bone tissue or a hard tumor of bonelike structure developing on a bone (homoplastic osteoma) or on other structures (heteroplastic osteoma). (From Dorland, 27th ed)Anthropology: The science devoted to the comparative study of man.Hamartoma: A focal malformation resembling a neoplasm, composed of an overgrowth of mature cells and tissues that normally occur in the affected area.Exostoses: Benign hypertrophy that projects outward from the surface of bone, often containing a cartilaginous component.International Classification of Diseases: A system of categories to which morbid entries are assigned according to established criteria. Included is the entire range of conditions in a manageable number of categories, grouped to facilitate mortality reporting. It is produced by the World Health Organization (From ICD-10, p1). The Clinical Modifications, produced by the UNITED STATES DEPT. OF HEALTH AND HUMAN SERVICES, are larger extensions used for morbidity and general epidemiological purposes, primarily in the U.S.Jaw: Bony structure of the mouth that holds the teeth. It consists of the MANDIBLE and the MAXILLA.Databases, Factual: Extensive collections, reputedly complete, of facts and data garnered from material of a specialized subject area and made available for analysis and application. The collection can be automated by various contemporary methods for retrieval. The concept should be differentiated from DATABASES, BIBLIOGRAPHIC which is restricted to collections of bibliographic references.Clinical Coding: Process of substituting a symbol or code for a term such as a diagnosis or procedure. (from Slee's Health Care Terms, 3d ed.)Jaw DiseasesMandibular Neoplasms: Tumors or cancer of the MANDIBLE.Lipoma: A benign tumor composed of fat cells (ADIPOCYTES). It can be surrounded by a thin layer of connective tissue (encapsulated), or diffuse without the capsule.Carcinoma, Renal Cell: A heterogeneous group of sporadic or hereditary carcinoma derived from cells of the KIDNEYS. There are several subtypes including the clear cells, the papillary, the chromophobe, the collecting duct, the spindle cells (sarcomatoid), or mixed cell-type carcinoma.Kidney Neoplasms: Tumors or cancers of the KIDNEY.Submandibular Gland: One of two salivary glands in the neck, located in the space bound by the two bellies of the digastric muscle and the angle of the mandible. It discharges through the submandibular duct. The secretory units are predominantly serous although a few mucous alveoli, some with serous demilunes, occur. (Stedman, 25th ed)Nephrectomy: Excision of kidney.Submandibular Gland DiseasesSubmandibular Gland NeoplasmsPyrroles: Azoles of one NITROGEN and two double bonds that have aromatic chemical properties.Quality of Life: A generic concept reflecting concern with the modification and enhancement of life attributes, e.g., physical, political, moral and social environment; the overall condition of a human life.Periodicals as Topic: A publication issued at stated, more or less regular, intervals.PubMed: A bibliographic database that includes MEDLINE as its primary subset. It is produced by the National Center for Biotechnology Information (NCBI), part of the NATIONAL LIBRARY OF MEDICINE. PubMed, which is searchable through NLM's Web site, also includes access to additional citations to selected life sciences journals not in MEDLINE, and links to other resources such as the full-text of articles at participating publishers' Web sites, NCBI's molecular biology databases, and PubMed Central.BooksPublishing: "The business or profession of the commercial production and issuance of literature" (Webster's 3d). It includes the publisher, publication processes, editing and editors. Production may be by conventional printing methods or by electronic publishing.MEDLINE: The premier bibliographic database of the NATIONAL LIBRARY OF MEDICINE. MEDLINE® (MEDLARS Online) is the primary subset of PUBMED and can be searched on NLM's Web site in PubMed or the NLM Gateway. MEDLINE references are indexed with MEDICAL SUBJECT HEADINGS (MeSH).Serial Publications: Publications in any medium issued in successive parts bearing numerical or chronological designations and intended to be continued indefinitely. (ALA Glossary of Library and Information Science, 1983, p203)Fibroma, Ossifying: A benign central bone tumor, usually of the jaws (especially the mandible), composed of fibrous connective tissue within which bone is formed.Cementoma: An odontogenic fibroma in which cells have developed into cementoblasts and which consists largely of cementum.Fibrous Dysplasia of Bone: A disease of bone marked by thinning of the cortex by fibrous tissue containing bony spicules, producing pain, disability, and gradually increasing deformity. Only one bone may be involved (FIBROUS DYSPLASIA, MONOSTOTIC) or several (FIBROUS DYSPLASIA, POLYOSTOTIC).Fibroma: A benign tumor of fibrous or fully developed connective tissue.Odontogenic Tumors: Neoplasms produced from tooth-forming tissues.Maxillary Sinus Neoplasms: Tumors or cancer of the MAXILLARY SINUS. They represent the majority of paranasal neoplasms.Neuroblastoma: A common neoplasm of early childhood arising from neural crest cells in the sympathetic nervous system, and characterized by diverse clinical behavior, ranging from spontaneous remission to rapid metastatic progression and death. This tumor is the most common intraabdominal malignancy of childhood, but it may also arise from thorax, neck, or rarely occur in the central nervous system. Histologic features include uniform round cells with hyperchromatic nuclei arranged in nests and separated by fibrovascular septa. Neuroblastomas may be associated with the opsoclonus-myoclonus syndrome. (From DeVita et al., Cancer: Principles and Practice of Oncology, 5th ed, pp2099-2101; Curr Opin Oncol 1998 Jan;10(1):43-51)Stem Cell Research: Experimentation on STEM CELLS and on the use of stem cells.Neoplasms, Muscle Tissue: Neoplasms composed of muscle tissue: skeletal, cardiac, or smooth. The concept does not refer to neoplasms located in muscles.Sarcoma: A connective tissue neoplasm formed by proliferation of mesodermal cells; it is usually highly malignant.Sarcoma, Synovial: A malignant neoplasm arising from tenosynovial tissue of the joints and in synovial cells of tendons and bursae. The legs are the most common site, but the tumor can occur in the abdominal wall and other trunk muscles. There are two recognized types: the monophasic (characterized by sheaths of monotonous spindle cells) and the biphasic (characterized by slit-like spaces or clefts within the tumor, lined by cuboidal or tall columnar epithelial cells). These sarcomas occur most commonly in the second and fourth decades of life. (From Dorland, 27th ed; DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1363)Splenic RuptureLeiomyosarcoma: A sarcoma containing large spindle cells of smooth muscle. Although it rarely occurs in soft tissue, it is common in the viscera. It is the most common soft tissue sarcoma of the gastrointestinal tract and uterus. The median age of patients is 60 years. (From Dorland, 27th ed; Holland et al., Cancer Medicine, 3d ed, p1865)Photomicrography: Photography of objects viewed under a microscope using ordinary photographic methods.Smear Layer: Adherent debris produced when cutting the enamel or dentin in cavity preparation. It is about 1 micron thick and its composition reflects the underlying dentin, although different quantities and qualities of smear layer can be produced by the various instrumentation techniques. Its function is presumed to be protective, as it lowers dentin permeability. However, it masks the underlying dentin and interferes with attempts to bond dental material to the dentin.Microscopy, Electron, Scanning: Microscopy in which the object is examined directly by an electron beam scanning the specimen point-by-point. The image is constructed by detecting the products of specimen interactions that are projected above the plane of the sample, such as backscattered electrons. Although SCANNING TRANSMISSION ELECTRON MICROSCOPY also scans the specimen point by point with the electron beam, the image is constructed by detecting the electrons, or their interaction products that are transmitted through the sample plane, so that is a form of TRANSMISSION ELECTRON MICROSCOPY.Liposarcoma, Myxoid: A liposarcoma containing myxomatous tissue. (Dorland, 27th ed)Microscopy, Electron: Microscopy using an electron beam, instead of light, to visualize the sample, thereby allowing much greater magnification. The interactions of ELECTRONS with specimens are used to provide information about the fine structure of that specimen. In TRANSMISSION ELECTRON MICROSCOPY the reactions of the electrons that are transmitted through the specimen are imaged. In SCANNING ELECTRON MICROSCOPY an electron beam falls at a non-normal angle on the specimen and the image is derived from the reactions occurring above the plane of the specimen.Collagen: A polypeptide substance comprising about one third of the total protein in mammalian organisms. It is the main constituent of SKIN; CONNECTIVE TISSUE; and the organic substance of bones (BONE AND BONES) and teeth (TOOTH).Fibrillar Collagens: A family of structurally related collagens that form the characteristic collagen fibril bundles seen in CONNECTIVE TISSUE.
Multi-bracket appliance in management of mandibular reconstruction with vascularized bone graft. (1/281)
BACKGROUND: The most commonly used tool for maxillo-mandibular fixation to the patient who underwent reconstruction using a vascularized bone graft after mandibular resection is a dental arch-bar. However, the occlusal relationship achieved by this method is not ideal. Different from the dental arch-bar, the multi-bracket appliance which is frequently used in orthodontic treatment can control the position of each individual tooth three dimensionally. Thus, this appliance was applied for maxillo-mandibular fixation to patients who underwent mandibular reconstruction using a vascularized bone graft. METHODS: A multi-bracket appliance was applied to three patients. Prior to the surgery, standard edgewise brackets were bonded to the teeth in the maxilla and in the remaining mandible. After mandibular resection, wires for maxillo-mandibular fixation were applied. The harvested bone was then carefully fixed with miniplates to maintain the occlusion. The multi-bracket appliance was worn for 3 months when the wound contraction became mild. RESULTS: All three cases demonstrated stable and good occlusion. They also demonstrated satisfactory post-surgical facial appearance. CONCLUSIONS: Compared to conventional dental arch-bars, a multi-bracket appliance offers improved management of mandibular reconstruction. Firstly, its properties are helpful in maintaining occlusion of the remaining dentition accurately in bone grafting procedure as well as protecting against postsurgical wound contraction. Secondly, the multi-bracket appliance keeps the oral cavity clean without periodontal injury. As a result, stable occlusion of the residual teeth and good facial appearance were obtained. (+info)Cemento-ossifying fibroma presenting as a mass of the parapharyngeal and masticator space. (2/281)
We report a case of cemento-ossifying fibroma that presented as a large extraosseous mass in the masticator and parapharyngeal space. CT scanning and MR imaging showed a large extraosseous mass with central conglomerated, well-matured ossified nodules and fatty marrow. The central matured ossified nodules were of low density on CT scans and high signal intensity on T1- and T2-weighted MR images. Multiplanar reformatted CT scans revealed the origin of the mass to be at the extraction site of the right lower second molar tooth. (+info)Skull metastasis of Ewing's sarcoma--three case reports. (3/281)
Three cases of skull metastasis of Ewing's sarcoma were treated. The metastatic lesion was located at the midline of the skull above the superior sagittal sinus in all cases. Surgery was performed in two patients with solitary skull lesions involving short segments of the superior sagittal sinus without remarkable systemic metastasis, resulting in good outcome. The third patient had extensive, multiple tumors involving the superior sagittal sinus which could not be excised, and died due to intracranial hypertension. The surgical indication for skull metastasis of Ewing's sarcoma depends on the location and length of the involved superior sagittal sinus, and general condition. (+info)The relationship between accessory foramina and tumour spread on the medial mandibular surface. (4/281)
The medial cortical surface of the mandible can be involved by tumour infiltration from the floor of the mouth. A detailed study of spread via accessory foramina through the edentulous alveolar crest has been previously undertaken, but no similar study has been carried out for the medial surface. In order to gain further appreciation of the mode of tumour spread, a study of the number and distribution of accessory foramina on the medial mandibular surface was performed on 89 mandibles. The number of foramina varied greatly from specimen to specimen. In the ascending ramus above the inferior dental foramen, 3 mandibles showed no foramina; the condylar section possessed the greatest proportion followed by the sigmoid and the coronoid. On the rest of the medial surface below the inferior dental foramen, all specimens showed at least 1 accessory foramen; the greatest concentration was in the middle third along the path of the inferior dental canal, followed by the upper third and the lower third section. Accessory foramina were repeatedly present at certain dedicated sites. The medial facing wall of the inferior dental foramen was found to be the commonest dedicated site (98.3%) followed by foramina on either side of the genial tubercles (71.9%), the digastric fossa (71.9%) and the median foramen above the genial tubercles (64%). The findings of this study are in keeping with the current observation that the lower border is least commonly involved in tumour spread. In view of the presence of accessory foramina along the inferior dental canal and especially on the medial facing wall of the inferior dental foramen, it is imperative to preclude tumour spread in this region prior to undertaking the conservative rim resection procedure. Medial to the symphysis the alveolar mucosa dips down almost to the level of the dedicated foramina in the vicinity of the genial tubercles. As a general rule the attached muscle forms a barrier to tumour spread except in the later stages, however, in irradiated mandibles resistance to spread has been previously reported to be diminished. Under these circumstances, it is possible that the numerous accessory foramina reported in this study could facilitate a direct pathway into the cancellous bone. (+info)Amyloid-producing odontogenic tumor in a Shih-Tzu dog. (5/281)
A 9-month-old male Shih-Tzu dog had a right mandibular tumor composed of strands, or nest-like proliferation of epithelial cells with abundant fibrous stroma characterized by spheroid to large nodular deposition of amyloid with Congo-red stain. Globule calcification was also seen throughout the tumor tissue and the spheroid depositions often had a concentrically laminated structure (Liesegang rings). The case was diagnosed as amyloid-producing odontogenic tumor in a dog. (+info)Intraosseous neurilemmoma of the mandible. (6/281)
We report a rare case of intraosseous neurilemmoma of the mandible, with an emphasis on radiographic findings. The tumor, located mainly in the premolar region, presented as an expansive, unilocular, well-defined, radiolucent lesion on plain radiography. No dilatation of the mandibular canal was identified. MR imaging helped to identify the solid nature of the tumor. A biopsy was necessary to make the final diagnosis because of the relatively nonspecific nature of the lesion. (+info)Ewing's sarcoma of the head and neck. (7/281)
CONTEXT: Ewing's sarcoma is a rare neoplasm, which usually arises in long bones of the limbs and in flat bones of the pelvis, with the involvement of head and neck bones being very unusual. CASE REPORT: a case of Ewing's sarcoma occurring in the mandible of a 35-year-old female. Pain and swelling of the tumor were the main complaints. The early hypothesis was an undifferentiated malignant neoplasm, possibly a sarcoma. The CT scan depicted an expansive lesion, encapsulated, with septa and characteristics of soft tissue, involving the left side of the mandible and extending to the surrounding tissues. The patient underwent surgical excision of the lesion, the definitive diagnosis of Ewing's sarcoma was established, and the patient commenced on radiotherapy. (+info)Aggressive epithelial odontogenic ghost cell tumor in the mandible: CT and MR imaging findings. (8/281)
We report a case of aggressive epithelial odontogenic ghost cell tumor arising from the mandible in a 32-year-old man. On CT and MR studies, the tumor was seen as a large, heterogeneous soft-tissue mass that caused marked destruction of the mandible and invaded the mouth floor and tongue base. The tumor displayed a variety of densities and signal intensities on CT and MR images, which correlated well with the degree of cellularity of epithelial islands, abundance of ghost cells and eosinophilic materials, calcification, and cystic areas on histologic sections. Owing to the unpredictable biological behavior of this type of tumor, careful, long-term follow-up is highly recommended. (+info)
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MandibleRecurrenceTumorTumorsMetastasisSquamous Cell CarcCondyleTrue neoplasmMolarLesionsCarcinomaOsteomaMaxillaryAbstractTumourSalivary glandsMolarsMalignant neoplasmNeuroendocrine neoplasmGroup of neoplasmsHead and neckResectionDiagnosisHumansRight mandibularPermanent mandibularCancerMalignancyOdontogenic originSurgicalFibromaEpithelialCysticOsteosarcomaSpindleProliferationOccurReconstructionCases per 100,000PrognathismMaxillofacial regionBonyExcision
Mandible12
- Keywords Fibula Mandibular reconstruction Mandibular neoplasms Introduction Edela Puricelli and Chem were the first surgeons to recon- struct a mandible with the microvascular fibular flap in 1985 The loss of the mandible continuity can occur after traumas, . (deepdyve.com)
- For neoplasms of the maxilla, MAXILLARY NEOPLASMS is available and of the mandible, MANDIBULAR NEOPLASMS is available. (curehunter.com)
- Ability of the newly created coil to detect mandibular bone invation in patients with squamous cell carcinoma adjacent to, or involving, the mandible. (knowcancer.com)
- Head and neck neoplasms requiring surgical resection of the mandible can have negative consequences on patient quality of life. (nih.gov)
- Intraosseous myofibromas of the jaw are rare lesions and are part of the wide group of spindle-cell neoplasms and are generally observed in the posterior mandible. (bvsalud.org)
- When only portions of the mandible are replaced, it is referred to as MANDIBULAR PROSTHESIS IMPLANTATION. (bioportfolio.com)
- The dimensions of the mandibular incisive canal and its spatial relationship to various anatomical landmarks of the mandible: a study using cone beam computed tomography. (thefreedictionary.com)
- Median mandibular flexure (MMF) is a functional elastic deformation characterized by medial convergence of each half of the mandible during jaw opening and protrusive movements. (dentalreach.today)
- The mandible has a property to flex inwards around the mandibular symphysis with change in shape and decrease in mandibular arch width during opening and protrusion of the mandible . (dentalreach.today)
- The distortion of the mandible occurs early in the opening cycle, and the maximum changes may occur with as little as 28% opening, or about 12 mm of mandibular movement. (dentalreach.today)
- Mandibular flexure has also been observed during clenching , occlusion or biting forces on the mandible . (dentalreach.today)
- Intraoral surgical exposure of the anterior mandible used in various orthognathic surgical operations such as genioplasty or mandibular alveolar surgery. (thefreedictionary.com)
Recurrence2
- Unusual case of intraluminal cecal recurrence of a low grade appendiceal mucinous neoplasm (LAMN)-Case report and brief literature review. (bioportfolio.com)
- Appendiceal mucinous neoplasms exhibit a wide spectrum of clinical behavior, ranging from neoplasms which are relatively slow-growing but with considerable risk for recurrence and eventual death and t. (bioportfolio.com)
Tumor6
- The most common tumor of the parotid gland is the pleomorphic adenoma , which represents about 60% of all parotid neoplasms, as seen in the table below. (medscape.com)
- The fibula presents positive aspects and can be used as an option for mandibular reconstruction after tumor resections or extensive traumas. (deepdyve.com)
- Although malignant counterpart of this tumor, liposarcoma is another common soft tissue neoplasm, but its occurrence in oral cavity is rare [ 8 ]. (omicsonline.org)
- Furthermore, molecular techniques are essential in diagnosis of small round blue cell neoplasms and spindle cell neoplasms including Ewing sarcoma, rhabdomyosarcoma, synovial sarcoma, biphenotypic sinonasal sarcoma, dermatofibrosarcoma protuberans, nodular fasciitis and inflammatory myofibroblastic tumor. (cdc.gov)
- 1 ] The most common malignant major and minor salivary gland tumor is the mucoepidermoid carcinoma, which comprises about 10% of all salivary gland neoplasms and approximately 35% of malignant salivary gland neoplasms. (healthlinkbc.ca)
- Histologically, the tumor cells invaded the subcutaneous tissue and mandibular bone. (um.edu.my)
Tumors19
- Although researchers have learned much from the study of this diverse group of tumors over the years, the diagnosis and treatment of salivary gland neoplasms remain complex and challenging problems for the head and neck surgeon. (medscape.com)
- Salivary gland neoplasms make up 6% of all head and neck tumors. (medscape.com)
- Benign neoplasms occur more frequently in women than in men, but malignant tumors are distributed equally between the sexes. (medscape.com)
- Almost half of all submandibular gland neoplasms and most sublingual and minor salivary gland tumors are malignant. (medscape.com)
- instead, it confines itself to an overview of the major odontogenic cysts and tumors with a brief discussion of other mandibular lesions that are often called cysts but are not true cystic lesions. (medscape.com)
- Immunohistochemical analysis is an indispensable aid in differentiating these tumors with similar morphology but a heterogeneous origin and subsequently variable clinical management and prognosis.1 A case report of spindle cell neoplasm of neural origin developed after extraction of left mandibular first molar is described. (thefreelibrary.com)
- The spectrum of neoplasms that may present as spindle cell tumors in oral cavity encompasses a broad range of both malignant and benign lesions of heterogeneous origin. (thefreelibrary.com)
- A classification based on tissue of origin was proposed by Shamim3 that categorized spindle cell neoplasms encountered in oral cavity into tumors of neural, myofibroblastic, vascular, epithelial, odontogenic, and miscellaneous origins. (thefreelibrary.com)
- Due to its prominent stromal alternations, carotid body paraganglioma is a great emulator of other neoplasms in the head and neck region especially in metastatic tumors and its definite diagnosis is a great challenge. (iranpath.org)
- Serous neoplasms are uncommon, usually cystic tumors that account for less than 1% of all primary pancreatic lesions. (bioportfolio.com)
- Spindle cell neoplasms arising in the skin comprise a heterogeneous group of tumors with divergent lineages. (bioportfolio.com)
- The updated 2016 WHO classification of hematopoietic tumors has a new category: "myeloid neoplasms with germline predisposition. (bioportfolio.com)
- POT is a rare odontogenic neoplasm and is included as a separate entity in the latest WHO classification of odontogenic tumors (2017). (thefreedictionary.com)
- Salivary gland tumors are relatively uncommon neoplasms of the head and neck region. (innovativepublication.com)
- Around 90% of the salivary gland tumors occur in the parotid glands followed by sub-mandibular glands. (innovativepublication.com)
- Salivary glands neoplasms represent a rare and diverse group of tumors with different characteristics. (arquivosdeorl.org.br)
- The salivary glands neoplasms are rare and represent a variable group of benign and malign tumors with different behavioral characteristics (1). (arquivosdeorl.org.br)
- The smaller the gland, the greater the probability for the neoplasm to be malign (1): 25% of the parotid tumors are malign, while in the submandibular gland this number goes up to 43% and hits 82% in the minor salivary glands (7). (arquivosdeorl.org.br)
- Salivary gland tumors are a morphologically and clinically diverse group of neoplasms, which may present significant diagnostic and management challenges. (healthlinkbc.ca)
Metastasis4
- Two radiologists independently, unaware of the findings, in consensus reviewed and interpreted all images to determine the extent of the primary tumour (T), mandibular tumour invasion and cervical lymph node metastasis. (jkmc.com.np)
- Imaging of the head and neck has developed significantly with the advent of CT and MR. These modalities greatly compliment the physical and endoscopic examinations by revealing possible blind areas, such as subtle extension of neoplasms from the lower face and/or salivary glands to deep spaces, nonpalpable adenopathy, bone marrow invasion, and distant metastasis. (ucsd.edu)
- Papillary carcinoma is the most frequent differentiated malignant thyroid neoplasm, Metastasis occurs frequently in regional lymph nodes and mandibular metastasis are very rare and most are secondary to follicular carcinomas due to their blood diffusion, The mandibular metastasis of papillary carcinoma is exceptional. (saladgaffe.gq)
- Microcystic adnexal carcinoma is a rare, locally aggressive cutaneous neoplasm with a high probability of persistence locally but a low probability of metastasis. (um.edu.my)
Squamous Cell Carc1
- The goal of this outcome measure is to generate images, the quality of which are similar to histopathologic sections, with SWIFT MRI allowing determination of the presence or absence and degree of mandibular invasion of squamous cell carcinoma. (knowcancer.com)
Condyle3
- The aim of this paper is to report an unusual case of osteoma in the mandibular condylar neck and review the cases of mandibular condyle osteomas that have been reported in the last 15 years. (amsjournal.com)
- The mandibular cases occur in the angle, mandibular condyle, and molar regions of the body, being frequent intraoral cases in the lingual regions close to molars and premolars. (amsjournal.com)
- When the mandibular condyle is involved, trismus, limitation of mouth opening, progressive malocclusion with midline shift toward the nonaffected side, contralateral mandibular deviation, and facial asymmetry are the common findings. (amsjournal.com)
True neoplasm3
- Macroscopic and radiographic assessment of this lesion provided a diagnosis of osteoma, a true neoplasm, or alternately, hyperplasia (e.g. exostosis) or hamartoma, which are not true neoplasms. (wiley.com)
- Cementoblastoma is a true neoplasm of cementum which is also designated as true cementoma. (hindawi.com)
- 1) These lesions are considered the only true neoplasm of a cementum origin (2) and are defined as neoplasms characterized by the formation of sheets of a cementum-like tissue containing a large number of reversal lines and a lack of mineralization at the periphery of the mass or in the more active growth area. (thefreedictionary.com)
Molar6
- The Cemento-ossifying fibroma (COF) is a benign fibro-osseous neoplasm of odontogenic origin, that is preferentially localized in the molar and premolar mandibular area. (scielo.cl)
- A 40 year old female presented in the oral surgery outpatient department at Dow International Medical and Dental College, Ojha campus with the complaint of slowly growing painful swelling on lingual aspect of left mandibular first molar region following its extraction during the past one year. (thefreelibrary.com)
- On radiographical examination, OPG revealed a large, well-defined periapical radiolucency arising from the lateral root surface of an impacted permanent left mandibular first molar and second premolar. (hindawi.com)
- The gross specimen included multiple bits of hard tissues with permanent mandibular first molar and second premolar tooth and 2 bits of soft tissue as can be seen in Figure 2 . (hindawi.com)
- Orthopantomograph shows a well-circumscribed radiolucent mass attached to the lateral root surface of impacted permanent left mandibular first molar. (hindawi.com)
- A panoramic shows a multilocular radiolucency with well-defined and sclerotic margins along the left mandibular molar-ramus area. (brainscape.com)
Lesions3
- However, such lesions should be included in the differential diagnoses of a patient presenting with mandibular radiolucency or swelling. (medscape.com)
- To distinguish the juvenile mandibular ossifying fibroma from other closely resembling non-neoplastic and neoplastic lesions, histologic morphology plays an important role. (purdue.edu)
- 7 Airway assessment 1- HISTORY: *Rheumatoid - *Morbid obese *Submandibular abscess *Retropharyngeal abscess *Neoplasm, Radiation, *Scleroderma *Previous tracheostomy *Prolonged intubation *Bleeding lesions *Syndroms e.g. (slideplayer.com)
Carcinoma1
- Mandibular sarcoma as a second neoplasm following radiotherapy for a nasopharyngeal carcinoma in childhood (case report). (termsreign.gq)
Osteoma4
- Osteoma of the mandibular condyloid process. (biomedsearch.com)
- The incidence of true osteoma in the mandibular condyloid process is extremely rare. (biomedsearch.com)
- We report an unusual case of osteoma in the mandibular condylar neck causing restricted mouth opening in addition to pain. (amsjournal.com)
- We report an unusual case of osteoma in the mandibular condylar neck that presented in a 52-year-old female, causing restricted mouth opening in addition to pain. (amsjournal.com)
Maxillary3
- It most frequently is found in areas where unerupted teeth are found: mandibular third molars, maxillary third molars, and maxillary canines, in decreasing order of frequency. (medscape.com)
- An extremely rare neoplasm in the maxillary facial region, and with a high percentage of mortality . (bvsalud.org)
- It is estimated that 5-10% of routine dental patients have some unusual findings, from something as harmless as mandibular or maxillary tori to something as serious as a malignant neoplasm. (cdeworld.com)
Abstract1
- abstract = "Objectives To evaluate the incidence of, and risk factors associated with, mandibular osteoradionecrosis (MORN) following radiation therapy (RT) for oral cavity and oropharyngeal cancers. (wustl.edu)
Tumour2
- Objectives: The aim of this study was to recognise and understand the extent and precision of the diagnostic accuracy of multi-detector row computed tomography (MDCT) and magnetic resonance imaging (MRI) in mandibular tumour involvement, cervical lymph node metastases, T staging of tongue and floor of mouth malignancies in order to represent the proper treatment plan. (jkmc.com.np)
- Conclusion: Multi-detector row computed tomography and magnetic resonance imaging have nearly equal potential for detecting the tumour size, mandibular infiltration and nodal metastases. (jkmc.com.np)
Salivary glands4
- Neoplasms that arise in the salivary glands are relatively rare, yet they represent a wide variety of both benign and malignant histologic subtypes as seen in the image below. (medscape.com)
- Among salivary gland neoplasms, 80% arise in the parotid glands, 10-15% arise in the submandibular glands, and the remainder arise in the sublingual and minor salivary glands. (medscape.com)
- The proper diagnosis of salivary glands neoplasms is complex, and the otorhinolaryngologist/head and neck surgeon needs to investigate the histological subtype to ensure ideal treatment. (arquivosdeorl.org.br)
- Despite the incidences vary according to the literature, 67.7% to 84% of the neoplasms start in the parotid, 10% to 23% in the submandibular gland and the other cases in the sublingual gland and in the minor salivary glands (2,4,5,6). (arquivosdeorl.org.br)
Molars1
- Kim et al attempted to regenerate alveolar bone, pulp, cementum , PDL and dentine of mandibular molars by a feasible method using cell homing, in animal model. (thefreedictionary.com)
Malignant neoplasm1
- Burkitt's lymphoma (BL) is an endemic malignant neoplasm with a mandibular localisation, first described, in 1958, in African children. (sciepub.com)
Neuroendocrine neoplasm2
- Carotid body paraganglioma is a neuroendocrine neoplasm of the mandibular region. (iranpath.org)
- We report the case of a 40-year-old woman that was diagnosed with a neuroendocrine neoplasm (NEN) of the rectum and multiple synchronous liver metastases ten years ago. (biomedcentral.com)
Group of neoplasms1
- Head and neck cancer (HNC) is a heterogeneous group of neoplasms that share a common anatomic origin. (biomedcentral.com)
Head and neck1
- 1 ] Malignant salivary gland neoplasms account for more than 0.5% of all malignancies and approximately 3% to 5% of all head and neck cancers. (healthlinkbc.ca)
Resection5
- A bone morphogenetic protein bioimplant was used for primary reconstruction of a 6-cm mandibular discontinuity defect, after a segmental resection of an ameloblastoma. (nih.gov)
- Twenty-nine patients at the University of California, San Francisco undergoing mandibular resection with subsequent reconstruction with either a vascularized fibular free flap or nonvascularized iliac crest bone graft were identified. (nih.gov)
- The conservative treatment established for the case of recurrent mandibular myxoma reported in this paper was lesion excision with curettage and cryotherapy, which contrasts with the radical treatment of block resection that is advised by most authors. (nih.gov)
- The criterion used to make the decision between a radical treatment (block resection) and a conservative treatment (excision, curettage, and cryotherapy) involved the presence of the remaining basal mandibular bone, which provided a framework for mandibular re-structuring. (nih.gov)
- Mandibular symphyseal resection requires composite reconstructions, often with unsatisfactory morphofunctional results. (elsevier.com)
Diagnosis8
- Patients with a diagnosis of oral cancer with clinical or imaging findings suggestive of maxillofacial or mandibular bone invasion. (knowcancer.com)
- This study presents a differential diagnosis of benign mandibular tumours identified in two adult burials from the precontact Maya city of Tikal, Guatemala. (wiley.com)
- Describe the diagnosis and resolution of a clini- cal case of malignant mandibular schwannoma . (bvsalud.org)
- The diagnosis was malignant mandibular schwannoma . (bvsalud.org)
- The tissue was sent for histopathology and diagnosis of spindle cell neoplasm of neural origin was established after histopathological and immunohistochemical analysis. (thefreelibrary.com)
- Diagnosis of spindle cell neoplasm of neural origin was established by strong, diffuse positive reactivity against S100 and negative reactivity for both CD68 and smooth muscle actin (ASMA) (Fig 1). (thefreelibrary.com)
- Factors associated with MORN on univariable analysis included primary diagnosis of oral cavity vs oropharynx cancer (hazard ratio [HR]: 3.0, p = 0.04), smoking at the time of RT (HR: 3.1, p = 0.04), mandibular invasion of the primary (HR: 3.7, p = 0.04), pre-RT tooth extraction (HR: 4.52, p = 0.01), and treatment with 3D-conformal RT vs intensity-modulated RT (HR: 5.1, p = 0.003). (wustl.edu)
- Aim: Describe the diagnosis and resolution of a clini- cal case of malignant mandibular schwannoma. (bvsalud.org)
Humans1
- The aim of this study was to establish a rat model where a certain radiation dose gives reproducible tissue reactions in the mandibular area corresponding to injuries obtained in humans. (biomedcentral.com)
Right mandibular2
- Burial PTP-026A is a middle adult (35-50 years) of indeterminate sex with evidence of a small dense, circular mass extending laterally from the right mandibular corpus. (wiley.com)
- We report a rare case of a carotid body lymphoplasmacytic paraganglioma presented as a single asymptomatic mass of the right mandibular region in a 45-year-old woman. (iranpath.org)
Permanent mandibular2
- Trauma, solitary bone cyst and delayed eruption of permanent mandibular incisors. (thefreelibrary.com)
- The main complaint was a delay in the eruption of the permanent mandibular central incisors. (thefreelibrary.com)
Cancer3
- The left mandibular swelling appeared 4 years after a radical nephrectomy for a Clear Renal Cell Cancer. (omicsonline.org)
- Diseases associated with CTSS include Cercarial Dermatitis and Mandibular Cancer . (genecards.org)
- Diseases associated with CEP70 include Mandibular Cancer and Jaw Cancer . (genecards.org)
Malignancy1
- Most series report that about 80% of parotid neoplasms are benign, with the relative proportion of malignancy increasing in the smaller glands. (medscape.com)
Odontogenic origin1
- Ameloblastoma is one of the most common benign neoplasms of odontogenic origin. (washington.edu)
Surgical2
- Medical and/or surgical options may be employed to successfully treat the neoplasm, avoiding further occurrence. (purdue.edu)
- dēgluv´ing), n an intraoral surgical exposure of the bony mandibular anterior region. (thefreedictionary.com)
Fibroma2
- It is controversial whether the juvenile mandibular ossifying fibroma is caused by trauma, or whether an undetected, immature fibroma causes the bone to be brittle and more susceptible to minor trauma. (purdue.edu)
- The juvenile mandibular ossifying fibroma is characterized by well differentiated, moderately vascularized, abundant, dense fibroblastic stroma, with isomorphic fibroblasts transforming into osteoblasts that rim bony spicules. (purdue.edu)
Epithelial1
- J. Zustin and R. E. Friedrich, "Hypercementosis and odontogenic epithelial hyperplasia associated with a tooth root remnant mimicking a neoplasm. (hindawi.com)
Cystic1
- The keratinizing and calcifying odontogenic cyst (KCOC), or Gorlin cyst, is not actually a cyst but rather a neoplasm with cystic tendencies. (ahlamontada.net)
Osteosarcoma4
- El osteosarcoma es una neoplasia maligna , poco frecuente, que se presenta de forma agresiva y sepuede originar en el hueso de la cavidad oral . (bvsalud.org)
- masculino de 26 años de edad de nacionalidad peruana con diagnóstico clínico de osteosarcoma mandibular, el cual fue tratado con hemisección, quimioterapia y radioterapia en la zona mandibular sector posterior de lado izquierdo con colocación de una placa de titanio en la región. (bvsalud.org)
- Osteosarcoma is a malignant, rare and aggressive neoplasm that originates in the bone of the oralcavity. (bvsalud.org)
- The patient was clinically diagnosedwith mandibular osteosarcoma , treated with hemisection, chemotherapy , radiotherapy onmandibular zone posterior sector of left side and fixation of a titanium bone plate . (bvsalud.org)
Spindle2
- This case report also briefly reviews spindle cell neoplasms of neural origin that can manifest in oral cavity. (thefreelibrary.com)
- Cutaneous Spindle Cell Neoplasms: Pattern-Based Diagnostic Approach. (bioportfolio.com)
Proliferation3
- This neoplasm is locally aggressive, with extensive bony proliferation and trabecular destruction, yet there are no reports of it possessing metastatic qualities. (purdue.edu)
- Cementoblastoma is a rare benign odontogenic neoplasm which is characterized by the proliferation of cellular cementum. (hindawi.com)
- Myeloproliferative neoplasms are heterogeneous group of clonal hematopoietic stem cell neoplasms with excessive proliferation of one or more of the erythroid, megakaryocytic, or myeloid li. (bioportfolio.com)
Occur1
- Highest values of mandibular deformation occur in subjects with lower symphysis height. (dentalreach.today)
Reconstruction4
- Furthermore, this retrospective study of the patients who have passed through a mandibular reconstruction with a microvascular fibular flap over the last 17 years describes the experience of the Oral and Maxillofacial SurgeryService at the ErastoGaertner Hospital, Curitiba/PR. (deepdyve.com)
- Successful mandibular reconstruction using a BMP bioimplant. (nih.gov)
- Quality of life evaluation for patients receiving vascularized versus nonvascularized bone graft reconstruction of segmental mandibular defects. (nih.gov)
- There has not been a study comparing the quality of life associated with these two methods of mandibular reconstruction. (nih.gov)
Cases per 100,0001
- [ 1 ] The incidence of salivary gland neoplasms as a whole is approximately 5.5 cases per 100,000 individuals in the United States, with malignant neoplasms accounting for 0.9 cases per 100,000. (medscape.com)
Prognathism1
- They may associated with macroglossia, mandibular prognathism, asymmetry of the face. (quintessenz.de)
Maxillofacial region1
- The lipoma presents as one of the common mesenchymal neoplasms however, in the oral and maxillofacial region its occurrence is less frequent, representing about 0.5% to 5% of all benign oral tumours. (omicsonline.org)
Bony1
- 2 (in dentistry) the exposure of the bony mandibular anterior or posterior regions by oral surgery or trauma. (thefreedictionary.com)
Excision1
- 2. Intraoral exposure of the midfacial skeleton used in various operations on the nose and paranasal sinuses particularly for excision of neoplasms. (thefreedictionary.com)