HomeOral medicine Unilateral swelling + slowly progressing Lesion on the Left side of the mandible.. Ossifying Fibroma publisher :NIL NAM -April 08, 2020 Unilateral swelling + slowly progressing Lesion on the Left side of the mandible. This could be: a- Osteoma. b- Cementoblastoma. c- Ossifying Fibroma. *** d- Osteo-sarcom. The ossifying fibroma is a slow growing ,expansile lesion that is usually a symptomatic. Labels Oral medicine Facebook Twitter Share:Unilateral swelling + slowly progressing Lesion on the Left side of the mandible.. Ossifying Fibroma Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email