作者介绍一种新的治疗复发性颗下颌关节(MTJ)脱臼的手术方法,即小钢板关节结节成形术。本法适于反复发作的、习惯性MTJ脱臼。 材料和方法 本组完成治疗7例,双侧者3人(6个关节),年龄35～56岁,全部为男性。小钢板制成T形,大小要适中。5例为钛钢板,2例钴铬合金钢板。术后随访6个月～2.5年。手术操作:采用全麻,耳前切口。分层切开,显露关节结节外侧面和颧弓后部,但不应暴露关节凹。令下颌骨做被动运动(前错位,外侧,内 The authors describe a new surgical procedure for the treatment of recurrent mandibular joint (MTJ) dislocation, a technique called small plate articular nodule arthroplasty. This method is suitable for recurrent, habitual MTJ dislocation. Materials and Methods The group completed the treatment of 7 cases, both sides of the 3 (6 joints), aged 35 to 56 years old, all male. Made of small steel T-shaped, size should be moderate. 5 cases of titanium plate, 2 cases of cobalt-chromium alloy plate. Follow-up 6 months to 2.5 years. Surgical operation: using general anesthesia, ear incision. Stratified incision, revealed the articular nodules lateral and zygomatic arch posterior, but should not expose the joint concave. Make the mandible to do passive exercise (pre-dislocation, lateral, inner