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颞颌关节急性前移位较常见,而作为长时间的移位是不常发生的。若颞颌关节移位后未作及时的复位,会使肌肉痉挛而增加复位的困难。如果拖延时间很长,会造成关节凹内被一部分纤维组织充填,使髁状突离开关节凹,对于这种长期关节移位的病人,大多数都作了手术治疗。作者报导他对一位下颌前移位达5个月之久的病人,采用咬合垫加颌间牵引的保守方法进行治疗并获得成功。
Acute premature transmural temporomandibular joint displacement is more common, but as a long time shift is uncommon. If the temporomandibular joint displacement did not make timely reset, will make muscle spasm and increase the difficulty of reset. If you delay a long time, will cause the joint recess was filled with part of the fibrous tissue, the condyle from the joint recess, for this long-term joint displacement of patients, most have been treated. The authors report that he treated and succeeded in a conservative approach of occlusal pad plus intermaxillary traction to a patient with a mandibular anterior shift of up to 5 months.