我们遇到一例巨大的下颌骨造釉细胞瘤,经手术切除下颌骨后,保留骨膜,未进行植骨,术后4个月复诊,见新下颌骨形成,代替了切除的下颌骨。现报道如下。患者陈××,男性,13岁,于1980年3月11日入院,住院号16258。因左下颌骨无痛性肿大5月,伴左下颌局部皮肤麻木感、张口受限一月余。颌面外科检查:左下颌明显肿大、骨质膨隆畸形,扪及约8×7厘米大小的肿 We encountered a huge case of mandibular ameloblastoma. After the mandibular bone was removed surgically, the periosteum was preserved and bone graft was not performed. Referral was performed 4 months after the operation, and a new mandible was formed, replacing the resected mandible. Report as follows now. Patient Chen × ×, male, 13 years old, was admitted on March 11, 1980, with a hospitalization number of 16258. Due to painless swelling of the left mandible in May, with a left lower extremity local skin numbness, mouth more than a month restricted. Maxillofacial surgery examination: left mandible significantly enlarged, bone bulging deformity, palpable about 8 × 7 cm size of the swollen