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.

• 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。