Report of a case suspected as peripheral ameloblastoma of the gingiva

The peripheral ameloblastoma is a very rare odontogenic tumor of the oral cavity, although ameloblastoma usually occurs centrally in the jaw bone. A case of peripheral ameloblastoma in the gingiva of a 49-year-old man is presented.The clinical and histological features of peripheral ameloblastoma are also reviewed. The tumor mass was encapsulated by connective tissue.Using local anesthesia, the lesion was excised surgically with a small amount of cortical bone, and no evidence of recurrence was seen 5 months later.