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同侧髁突骨折对陈旧性髁突脱位预后的影响

DOI: 10.3969/j.issn.1674-6309.2005.03.003

Keywords: 下颌骨髁突脱位,髁突骨折,颌面外科

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Abstract:

目的比较合并同侧髁突骨折对陈旧性髁突脱位预后的影响。方法将陈旧性髁突脱位分为陈旧性髁突脱位并同侧髁突骨折(olddislocationandfractureofcondyleprocess,ODFCP)20例和单纯陈旧性髁突脱位(olddislocationofcondyleprocess,ODCP)12例两组,比较两组患者手术前后的张口度、张口型、咬?NB351?关系、X线片表现及相关并发症的差异程度。结果术后两组患者的张口度和张口型比术前均有明显改善,但两组间差异无统计学意义。ODFCP组中18例咬?NB351?关系恢复正常,2例术后出现患侧后牙早接触,前牙开?NB351?;3例关节间隙不均匀;2例出现关节区疼痛和不适。ODCP组全部患者咬?NB351?关系均恢复正常;1例关节间隙不均匀;1例关节弹响。结论陈旧性髁突脱位患者无论是否合并同侧髁突骨折,均不影响术后张口度的恢复和张口型的改善;除髁突骨折术后再移位和复位不当因素外,陈旧性髁突脱位合并髁突骨折并不影响咬?NB351?关系的改善。

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