真性和假性颞颌关节强直病人的共同症状是张口受限或不能开口。百余年来,不断改进手术方法,治疗日臻完善,但还存在问题是复发率高,据一般统计为7.9%～55%。因此目前研究的中心是预防术后复发,1977年 Robin-son 首次提出术后配合放疗可预防复发,继后1979年 Schwartz 等又有报道,国外Mayo Clinic 已术后常规放疗来预防异位骨的 True and false Temporomandibular joint ankylosis patients with the common symptom is limited or not open mouth. Over the past hundred years, continuous improvement of surgical methods, treatment is improving, but the problem is the recurrence rate is high, according to the general statistics of 7.9% to 55%. Therefore, the current research center is to prevent postoperative recurrence, Robin-son was first proposed in 1977 with postoperative radiotherapy to prevent recurrence, followed by Schwartz et al in 1979 reported that the foreign Mayo Clinic has postoperative radiotherapy to prevent heterotopic bone