颌面部骨骼可因多种原因造成缺损与畸形，而下颌骨位于颜面部下1／3，系头颅中唯一能活动的骨骼，是颌面部缺损最常见的部位之一，易导致颌面部畸形和功能障碍．我院自1990年以来，采用改良骼骨移植修复下颌骨缺损，取得满意效果，现报告如下，1临床资料本组9例，其中男4例，女 Maxillofacial bones can cause defects and deformities for a variety of reasons, while the mandible is located in the facial 1/3, the only head of the cranium can move the bones, is one of the most common parts of maxillofacial defects, easily lead to maxillofacial Deformities and dysfunction. Our hospital since 1990, the use of modified iliac bone graft to repair mandibular defects, and achieved satisfactory results, are as follows, a clinical data of this group of 9 patients, including 4 males and ‧ females