我们遇到一例罕见的巨大良性牙骨质母细胞瘤,报告如下: 患者女性,19岁。左面部肿物2年余。1984年5月左下后牙无诱因疼痛,夜间不能入睡,伴轻度张口受限及颞颌关节区疼痛。2个月后左颞颌关节区发现一肿物,界限不清,当地医院拍片疑为“长牙”,抗炎治疗无效。肿物疼痛,生长速度较快,张口受限逐 We encountered a rare case of giant benign dental glioblastoma, reported as follows: Female patients, 19 years old. Left side of the tumor more than 2 years. May 1984 lower left posterior teeth without inducing pain, night can not sleep, with mild mouth restriction and temporomandibular joint area pain. Two months after the left temporomandibular joint area found a tumor, the boundary is unclear, the local hospital suspected film “long tooth”, anti-inflammatory treatment is invalid. Mass pain, rapid growth, limited by the mouth