The peripheral ossifying fibroma(POF) is a relatively common gingival growth that is considered to be reactive rather than neoplastic.The pathogenesis of this lesion is uncertain. The POF occurs exclusively on the gingiva, present as a nodular mass, either pedunculated or sessile. It is a predominately a lesion of teen agers and young adults almost 2/3 rd cases occurs in females and slight predilection for maxillary arch incisor – cuspid region. Here we present a case of Giant peripheral ossifying fibroma (GPOF) arising from posterior maxillary alveolus with clinical findings, imaging , histopathology ,treatment and follow up with review of literature.

Keywords: Giant Peripheral Ossifying Fibroma; Maxillary Alveolus; Radiopaque Foci; Calcification.