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Central ossifying fibromas are benign fibro-osseous neoplasms affecting the jaws and the craniofacial skeleton. It is a rare entity among fibro-osseous lesion and thought to originate from the periodontal ligament. In the past, this type of lesion was subclassified histologically into ossifying fibroma and cementifying fibroma according to the hard tissues formed, but both types are now known by the unified term, ossifying fibroma. Herein, we report a case of a central ossifying fibroma in a 21 years female patient. The patient presented with swelling in her left anterior mandibular region. The diagnosis was given on the basis of clinical and radiological findings; and was confirmed by histological diagnosis.

Cementifying fibroma; central ossifying fibroma; fibro-osseous lesion.