cementoblastoma /simen′tōblastō″mə/ pl. cementoblastomas, cementoblastomata [L, caementum + Gk, blastos, germ, oma, tumor] , a rare, benign odontogenic tumor representing a true neoplasm of cementum that primarily affects mandibular permanent first molars in children and young adults under the age of 30 years. Radiographically, it appears as a well-defined radiopaque mass surrounded by a thin radiolucent halo. Treatment consists of enucleation of the tumor and removal of the involved tooth or teeth. Should not be confused with cementoma.
