去除下颌骨外板矫治面下部的宽大或不对称以及做为自体植骨骨源的方法在颅颌面外科的应用越来越多，并得到国内外学者的广泛认同。
Osteotomy of mandibular outer cortex was used to treat width and dissymmetry of lower face or as source of autogenous bone graft simultaneously in craniomaxillofacial surgery.
由于先天或后天的一些因素，导致下颌骨部分缺损或不对称，而这种缺损或不对称常常导致严重的功能丧失和颜面畸形。
Mandibular segmental defect or asymmetry due to congenital or acquired factors will lead to severe functional incapacitation and facial deformity.
方法采用下颌角弧形截骨术、下颌骨外板截骨术、颏成形术及颊脂垫取出术等方法，治疗不对称性下颌角肥大患者70例。
Methods From 1996 to 2001, mandibular angle osteotomy, mandibular outer cortex osteotomy, mandible, genioplasty and buccal pad excision were selected to treat 70 patients.
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