cementifying fibroma /-ifī″ing/ [L, caementum + facere, to make, fibra, fiber; Gk, oma, tumor] , 1. an intraosseous lesion composed of fibrous connective tissue enclosing foci of calcified material resembling cementum. 2. a rare odontogenic tumor composed of varying amounts of fibrous connective tissue resembling cementum. 3. rare benign neoplasm that usually arises from the mandible and maxilla.
