| odontoblastoma | <tumour> 1. A tumour composed of neoplastic epithelial and mesenchymal cells that may differentiate into cells able to produce calcified tooth substances. 2. An odontoma in its early formative stage. Origin: odontoblast + G. -oma, tumour (05 Mar 2000) |
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| odontocete | <zoology> A subdivision of Cetacea, including the sperm whale, dolphins, etc.; the toothed whales. Origin: NL, from Gr, a tooth + a whale. Source: Websters Dictionary (01 Mar 1998) |
| odontoclast | One of the cells believed to produce resorption of the roots of the deciduous teeth. Origin: odonto-+ G. Klastos, broken (05 Mar 2000) |
| odontodynia | Synonym: toothache. Origin: odonto-+ G. Odyne, pain (05 Mar 2000) |
| odontodysplasia | A localised arrested tooth development which appears to involve most commonly the anterior teeth, usually on one side of the midline, most often the maxillary central and lateral incisors. Roentgenographically, the teeth have a ghostlike appearance. Calcification and bits of prismatic enamel may be found in the pulp and the enamel is thin and absent in part. (12 Dec 1998) |
| odontogenesis | The process of development of the teeth. Synonym: odontogeny, odontosis. Origin: odonto-+ G. Genesis, production (05 Mar 2000) |
| odontogenesis imperfecta | A localised arrested tooth development which appears to involve most commonly the anterior teeth, usually on one side of the midline, most often the maxillary central and lateral incisors. Roentgenographically, the teeth have a ghostlike appearance. Calcification and bits of prismatic enamel may be found in the pulp and the enamel is thin and absent in part. (12 Dec 1998) |
| odontogenic cyst | A cyst derived from odontogenic epithelium. Origin: odont-+ G. Genos, birth, origin, + suffix -ic, pertaining to (05 Mar 2000) |
| odontogenic cyst, calcifying | A mixed radiolucent-radiopaque lesion of the jaws with features of both a cyst and a solid neoplasm. It is characterised microscopically by an epithelial lining showing a palisaded layer of columnar basal cells, presence of ghost cell keratinization, dentinoid, and calcification. (12 Dec 1998) |
| odontogenic cysts | Cysts found in the jaws and arising from epithelium involved in tooth formation. They include follicular cysts (e.g., primordial cyst, dentigerous cyst, multilocular cyst), lateral periodontal cysts, and radicular cysts. They may become keratinised (odontogenic keratocysts). Follicular cysts may give rise to ameloblastomas and, in rare cases, undergo malignant transformation. (12 Dec 1998) |
| odontogenic dysplasia | A localised arrested tooth development which appears to involve most commonly the anterior teeth, usually on one side of the midline, most often the maxillary central and lateral incisors. Roentgenographically, the teeth have a ghostlike appearance. Calcification and bits of prismatic enamel may be found in the pulp and the enamel is thin and absent in part. (12 Dec 1998) |
| odontogenic epithelial cell | Epithelial layer that will give rise to teeth. (18 Nov 1997) |
| odontogenic fibroma | <tumour> A rare odontogenic tumour found in soft tissue or as a central bony lesion. The tumour is composed of fibrous connective tissue, odontogenic epithelium, and sometimes calcification. (05 Mar 2000) |
| odontogenic keratocyst | A cyst of dental lamina origin with a high recurrence rate and well-defined histologic criteria of a corrugated parakeratin surface, uniformly thin epithelium, and a palisaded basal layer. One manifestation of the basal cell nevus syndrome. (05 Mar 2000) |
| odontogenic myxoma | <tumour> A benign, expansile, multilocular radiolucent neoplasm of the jaws consisting of myxomatous fibrous connective tissue; presumably derived from the mesenchymal components of the odontogenic apparatus. (05 Mar 2000) |
Synonyms : Odontogenic Tumors, Squamous, Squamous Odontogenic Tumors, Tumor, Squamous Odontogenic, Tumors, Squamous Odontogenic
Synonyms : Dental Tissue Neoplasms, Dental Tissue Neoplasm, Neoplasm, Dental Tissue, Odontogenic Tumor, Tissue Neoplasm, Dental, Tissue Neoplasms, Dental, Tumor, Odontogenic, Tumors, Odontogenic
Synonyms : Axis, Dens, Odontoid Processes, Process, Odontoid, Processes, Odontoid
Synonyms : Fibro-Odontoma, Fibroodontoma, Ameloblastic Fibro-odontoma, Ameloblastic Fibro-odontomas, Compound Odontoma, Compound Odontomas, Fibro Odontoma, Fibro odontoma, Ameloblastic, Fibro-Odontomas, Fibro-odontomas, Ameloblastic, Fibroodontomas, Odontomas
Synonyms : Odontometries
| odontophobia |
The English suffix -phobia is technically used to describe irrational, disabling fear as a mental disorder, and commonly misused to describe hatred of a particular thing or subject. Everyday language has misused the use of this suffix as a mild or irrational fear with no serious substance; however, its origin is from areas of psychiatry which study serious phobias which disable a person's life. ...
Ãâó: en.wikipedia.org/wiki/Odontophobia
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| odontoid |
This is a part of the second cervical vertebral bone (C 2 ) in the upper cervical spine. It is also called the dens.
Ãâó: www.lieberson.com/en/neurgosurgery_glossary/o.htm
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| odontoid |
a toothlike process that stabilizes the connection between the head and the neck. It sticks up through the first and second cervical vertebrae, providing support as the head moves backwards and forwards.
Ãâó: medical.lpaonline.org/glossary/
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| odontography |
A description of the teeth.
Ãâó: nandankanan.tripod.com/scienceterms.htm
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| odontology |
The scientific study of the teeth.
Ãâó: nandankanan.tripod.com/scienceterms.htm
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