Objective To study the Non Operative treatment of a severe, limited mouth opening by anterior disc displacement without reduction of the TMJ.

目的探讨颞颌关节不可复性盘前移引起的严重张口受限的非手术疗法。

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Methods Disc Anchorages were applied on 15 patients (20 sides) of Anterior disc displacement without reduction according to clinical symptoms and MRI.

方法 对根据临床症状及磁共振成像诊断为不可复性盘前移位的患者15例（20侧关节）行关节盘锚固定术。

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Objective To study the complication and its prophylaxis of the arthroscopic surgery for anterior disc displacement without reduction (ADDwR) of the TMJ.

目的探讨颞下颌关节镜手术治疗关节盘不可复性前移位并发症的防治方法。

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