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陈旧性颞下颌关节脱位(chronic prolonged mandibular dislocation,CPMD)是由于急性前脱位或复发性脱位未及时治疗,脱位数周以上未及时复位者。CPMD比较罕见,手法复位常常无效;若脱位时间较短,可试用全身麻醉配合肌肉松弛剂进行复位。随着脱位时间的延长,其周围组织发生变化,粘连逐渐加重,复位则更加困难;其治疗应以手术复位,术后配合颌间固定为
Chronic prolonged mandibular dislocation (CPMD) is due to acute anterior dislocation or recurrent dislocation did not promptly treated, dislocation more than a few weeks did not promptly reset. CPMD is relatively rare, manual reduction is often ineffective; if dislocation time is shorter, you can try general anesthesia with muscle relaxants for reset. With the extension of dislocation, changes in the surrounding tissue, adhesion gradually aggravated, more difficult to reset; the treatment should be surgical reduction, postoperative intermaxillary fixation