| tooth, nonvital | A tooth from which the dental pulp has been removed or is necrotic. (boucher, clinical dental terminology, 4th ed) (12 Dec 1998) |
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| tooth plane | Any one of the imaginary plane's of section of a tooth, such as the axial, horizontal, or vertical. (05 Mar 2000) |
| tooth polyp | hyperplastic pulpitis |
| tooth preparation | Procedures carried out with regard to the teeth or tooth structures preparatory to specified dental therapeutic and surgical measures. (12 Dec 1998) |
| tooth preparation, prosthodontic | The selected form given to a natural tooth when it is reduced by instrumentation to receive a prosthesis (e.g., artificial crown or a retainer for a fixed or removable prosthesis). The selection of the form is guided by clinical circumstances and physical properties of the materials that make up the prosthesis. (boucher's clinical dental terminology, 4th ed, p239) (12 Dec 1998) |
| tooth pulp | <dentistry> A richly vascularised 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. (12 Dec 1998) |
| tooth remineralization | Therapeutic technique for replacement of minerals in partially decalcified teeth. (12 Dec 1998) |
| tooth replantation | Reinsertion of a tooth into the alveolus from which it was removed or otherwise lost. (12 Dec 1998) |
| tooth resorption | Resorption of calcified dental tissue, involving demineralization due to reversal of the cation exchange and lacunar resorption by osteoclasts. There are two types: external (as a result of tooth pathology) and internal (apparently initiated by a peculiar inflammatory hyperplasia of the pulp). (12 Dec 1998) |
| tooth sac | A capsule that encloses the developing tooth. (05 Mar 2000) |
| tooth spasms | Infantile convulsions associated with teething. (05 Mar 2000) |
| tooth, supernumerary | An extra tooth, erupted or unerupted, resembling or unlike the other teeth in the group to which it belongs. Its presence may cause malposition of adjacent teeth or prevent their eruption. (12 Dec 1998) |
| tooth transplantation | The transfer of a tooth from one alveolus to another. (05 Mar 2000) |
| tooth, unerupted | A normal developing tooth which has not yet perforated the oral mucosa or one that fails to erupt in the normal sequence or time interval expected for the type of tooth in a given gender, age, or population group. (12 Dec 1998) |
| torsion of a tooth | Rotation of a tooth in its socket. (05 Mar 2000) |