Peripheral ossifying fibroma is a reactive lesion arising from periodontal cells in response to local irritation with females second decade of their life are more affected and maxillary anterior region predilection. Clinical appearance erythmatous or pink colour large lesions generally smooth. Lesion usually not exceed 1.5 cm. Underlying bone sometimes shows loacalized erosion. Treatment involv...

of mineralized substances, which may be bony or cementum like in appearance. The lesion, termed as cemento-ossifying fibroma, has been regarded as an osteogenic neoplasm. The fibrous dysplasia in which the normal bone structure is replaced by collagenous tissue is normally regarded as non-neoplastic. The cemento-ossifying fibromas (COF), in some cases has been demarcated into ossifying and ceme...