偏颌畸形的外科矫治

:【目的】以外科方法矫治不同病因的偏颌畸形。【方法】采用 9种手术方法矫治偏颌畸形 38例 ,其中下颌骨发育不对称 2 4例 ,髁状突疾患致偏颌畸形 6例 ,第一、二鳃弓综合征 4例 ,单侧下颌骨肥大 2例 ,外伤致偏颌畸形 2例。【结果】术后随访 31例 ,平均随访 16月 ,面形及牙合关系满意者 30例。所有截骨线均愈合良好 ,无骨不连、骨段坏死等严重并发症。无明显复发及关节不适。【结论】依据偏颌的具体病因、病情进行手术 ,配合术前后正畸治疗对偏颌畸形的外科矫治可达到牙合关系和容貌均满意的结果

Surgical Correction of Laterognathism of the Mandible

Objective Orthognathic operations were performed to correct laterognathism of the mandible. Methods 38 cases of laterognathism of the mandible: 24 cases of asymmetiric mandibular excess, 6 cases of unilateral condylar disease, 4 cases of heimfacial microsomia, 2 cases of unilateral mandibular macrognathia and 2 cases of lateral deviation of the mandible caused by trauma, were sugically corrected by 9 kinds of operations. Results 31 cases have been followed up average 16 months, 30 cases were satisfied with the occlusion, occlusal plane and facial contour. All osteotomy lines healed well and there were no severe complications, no evident relapse and no severe TMJ symptoms. Conclusion Laterognathism of the mandible can be well corrected by orthognathic operations cooperated with pre and post operative orthodontic treatment.