上颌前突畸形是口腔颌面部较常见的畸形之一，不仅可影响容貌，还可以引起咀嚼、语言等功能障碍。自85年以来，我科应用上颌骨前份截骨术治疗严重上颌前突畸形28例，其中畸形涉及下颌，并同期施行双颌手术截骨矫治13例，术后外形及功能均较满意，报告如下。临床资料本组共28例 Maxillary protrusion deformity is one of the more common deformities in oral and maxillofacial region, which can not only affect the appearance, but also cause dysfunction such as chewing and language. Since 85 years, our department applied maxillary anterior osteotomy in the treatment of 28 cases of severe maxillary protrusion, of which the mandibular deformity involved, and the same period of implementation of bilobular osteotomy in 13 cases, postoperative shape and function are more satisfactory, The report is as follows. Clinical data of this group a total of 28 cases