Ameloblastoma

Epidemiology

Ameloblastoma (also known as adamantinoma, adamantinoblastoma, basiloma, and epithelioma ameloblastoides) is the most common odontogenic tumor and accounts for 11% of all odontogenic neoplasms. However, it remains an uncommon lesion accounting for about 1% of all tumors and cysts arising in the jaw. Two thirds of all patients are found in the 20- to 49-year age group with a mean age of 39 years. There is no known sex or ethnic predilection.

Clinical Findings

Ameloblastomas are slow growing tumors and most patients complain of slow painless facial deformity. Seventy-five percent of patients have swelling as the main complaint whereas 25% present with pain. Other manifestations include mobile teeth, ill-fitting dentures, ulcerations, draining sinuses, and nasal obstruction.