Friday, 8 June 2007

Odontoma

General features:
Odontogenic hamartomatous malformation
Most common odontogenic tumor (70%)
2nd decade
May cause impaction, malpositioning, resorption of adjacent teeth.

Types:
Compound: more common, contain multiple teeth or toothlike structures.
Complex: . multiple masses of dental tissue, well-defined with amorphous calcifications

Differentials:
Focal cemento-osseous dysplasia
Ameloblastic fibro-odontoma
Adenomatoid odontogenic tumor

Treatment:
Surgical excision

Reference:
Scholl, RJ et al. Cysts and Cystic Lesions of the Mandible: Clinical and Radiologic-Histopathologic Review. Radiographics. 1999;19:1107-1124