RESUMO
In the oral cavity, gingival growth is one of the most commonly encountered lesions, most of these lesions are benign, but some do have malignant potential. Peripheral ossifying fioma (POF) is a benign neoplasm that usually develops from reactive gingival overgrowth. Microscopically, the tumour shows stratified squamous epithelium and highly cellular fious stroma, sparse endothelial proliferation with fioblasts and dystrophic calcifications. It has to be differentiated histopathologically from pyogenic granuloma, fioma, peripheral giant cell granuloma, peripheral odontogenic fioma and fious hyperplasia. This report presents a case of gingival overgrowth in a 56-year-old woman which reoccurred for 4th time. Treatment included excision of the gingival growth and also extraction of the tooth in relation to the growth as it presented with cervical caries and root resorption.Based on histopathological examination a definitive diagnosis of POF was established.