上、下颌骨前部截骨术矫正上颌前突畸形

Surgical treatment of maxillary protrusion by osteotomy of both anterior jaws

目的为了探索简单实用的外科矫正上颌前突的方法,治疗上下颌前部为主的畸形。方法采用局麻下Ⅰ期双颌前部根尖下楔形截骨术,避免进入梨状孔而引起并发症,部分患者行术前后正畸。结果 46例手术效果满意,不影响原正中(?)关系。结论该术式简单安全暴露充分,创伤小,移动范围大,是矫正轻中度颌骨畸形的理想方法之一。

Objective In order to study the simple and practical surgical treatment of maxillary protrusion.Methods The wedge-shaped,subapical osteotomy of the maxilla and mandible was performed under local anesthesia.The procedure should not enter the nasal cavity.Some patients had preoperative or postoperative orthodontic treatment.Results The operation results in 46 patients were all satisfactory in terms of facial configuration and occlusion relationship.No complications occurred.Conclusion This method is simple and less traumatic with good exposure of operative field and larger scope of movement.It is one of the ideal methods of surgical orthodontics for mild or medial maxillary and mandibular deformi- ties.