本文报告68例非颌骨性的上下前牙牙槽性错(牙合)畸形的外科正畸手术。主要采用了Wassmund 改良术,根尖下截骨术、颏成形术完成。对术前设计要点、模型外科方法与手术主要步骤作了介绍,井将牙-牙槽性错(牙合)畸形的分类、诊断要点,手术适应证的选择、术后骨段固定方法与并发症的预防作了简要讨论。 This article reports a surgical orthodontic procedure in 68 patients with non-maxillary anterior and posterior teeth with alveolar malocclusion. The main use of Wassmund improved surgery, apical osteotomy, genioplasty completed. Preoperative design points, model surgical methods and the main steps of surgery were introduced, the well will tooth - alveolar malocclusion deformity classification, diagnosis points, the choice of surgical indications, postoperative fixation and concurrent method Prevention of the disease was briefly discussed.