Cemento-ossifying fibroma: case report and review of the literature.

Although the neoplastic nature of intrabony cemento-ossifying fibromas is beyond dispute, controversy exists regarding the soft tissue counterpart. Peripheral cemento-ossifying fibroma has been referred to by a variety of terms depending on whether it is accepted as being a true odontogenic tumor or a reactive gingival overgrowth. The management of a patient with peripheral cemento-ossifying fibroma in the masticatory mucosa of the anterior region of the maxilla is presented. The differential diagnosis of reactive gingival overgrowths with and without calcification is discussed.