Large cemento-ossifying fibroma of the maxilla causing proptosis: a case report.

Cemento-ossifying fibromas form a part of the spectrum of fibro-osseous lesions of the jaws and are considered benign but locally aggressive tumors. This report presents a 31-year-old female patient with a large cemento-ossifying fibroma of the maxilla, expanding into the orbit and causing proptosis. The report also discusses the surgical management of this lesion with successful preservation of optic nerve function and normal vision.