牙骨质瘤多发生于下颌前牙区,常紧贴于牙根部,可单发或多发,一般体积较小,而同时发生于上下颌骨的巨大牙骨质瘤实属罕见,本文报道1988年我们收治的1例。病例报告 患者男,53岁。主诉左下后牙牙龈反复肿胀流脓2年余。曾在外院拔除左下后牙三颗,仍未 Osteoblastoma occurred in the anterior mandibular area, often close to the root of the tooth, can be single or multiple, generally smaller, and at the same time occurs in the maxillary and maxillary bone cementoma is rare, this article reports 1988 In 1 year we admitted. Case report Patient male, 53 years old. Lower left upper back teeth gingival swelling repeated pus 2 years. Have removed the left lower back three in the outer court, still not