Ossifying fibroma (OF) is a rare benign fibro-osseous lesion that occurs in the mandible more frequently than the maxilla. It is usually diagnosed in the third to fourth decades of age, with a female predilection. This case report describes an asymptomatic bony swelling of the mandible in a 21 year old female patient which gradually progresses to a remarkable size causing discomfort. The present case provides comprehensive radiological explorations that include conventional as well as the 3D imaging combined with histopathological investigations that confirmed the diagnosis of Ossifying fibroma. The lesion was completely excised with satisfactory healing.
