下颌骨放射性骨坏死(ORN)是头颈区肿癌治疗中一个严重并发症,如果保守治疗及手术治疗不能治愈,往往需要破坏下颌骨的骨连续性才能得到彻底治疗.作者采用高压氧结合骨清创及软组织关闭方法对8例ORN患者进行治疗,高压氧治疗时间为13～52小 Mandible osteoradionecrosis (ORN) is a serious complication in the treatment of head and neck cancer, if conservative treatment and surgical treatment can not be cured, it is often necessary to destroy the continuity of the mandible bone in order to be completely treated .By using hyperbaric oxygen combined with bone 8 patients with ORN were treated by soft tissue closure and soft tissue closure. The duration of hyperbaric oxygen therapy was 13-52 hours