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目的观察采用下颌升支垂直截骨上推术治疗真性颞颌关节强直的疗效。方法对2004年12月至2008年5月山西医科大学第一临床医院口腔颌面外科收治的19例真性颞颌关节强直患者采用下颌升支垂直截骨上推术治疗,并按期随诊,监测指标,观察其疗效。结果所有患者张口度均接近或达到正常,无关节疼痛及弹响症状,随访期内无一例复发。结论根据国内外文献及术后观察,下颌升支垂直截骨上推术是治疗真性颞颌关节强直的一种可选择的、有效的方法。

Clinical research into operation in true ankylosis of temporomandibular joint

Abstract：Objective To observe the clinical effect of vertical ramus osteotomy and push up in true ankylosis of temporomandibular joint treatment. Methods Nineteen patients with true ankylosis of temporomandibular joint were treated by this operative approach， to follow-up on time，to monitor index， and to observe clinical effect. Results In all cases，interincisal opening distance approached the normal level. No recurrence and TMJ symptoms were found during the period of follow-up. Conclusion According to literature and post-operation observation，vertical ramus osteotomy and push up can be taken as effective alternative approach to treat true ankylosis of temporomandibular joint.