口腔和口咽癌的下颌骨侵犯一直是困扰头颈肿瘤医师的难题。放疗治愈率差，且常引起放射性骨坏死，手术则造成严重的毁容和功能缺损。近年来，使用带血管和骨质的复合皮瓣的微血行修复技术，大大减少了下颌骨切除术的致残率和并发症．获得较满意的重建效果。目前头颈肿瘤医帅一 Oral and oropharyngeal cancer mandibular invasion has been troubled head and neck cancer physicians problem. Radiotherapy cure rate is poor, and often cause radiation osteonecrosis, surgery caused serious disfigurement and functional impairment. In recent years, the use of microvascular repair using vascular and bone composite flaps has greatly reduced the morbidity and complications of mandibular resection. Get more satisfactory reconstruction effect. At present head and neck tumor doctor handsome one