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目的 :分析水平截骨术治疗颏后缩畸形的临床效果。方法 :将 62例颏后缩畸形患者随机分为隆颏术 3 0例及水平截骨前徙术 3 2例 ,并对两组治疗结果进行追踪比较。结果 :3 0例隆颏术 :2例感染、排异 ,2例颏部过长外形改善不满意 ,2 1例自述植入物可随外力作用发生移位 ,皮肤有不同程度的反应异常。 3 2例水平截骨前徙术 :3例损伤颏神经出现局部麻木 ,其中 2例术后 6个月麻木感消失 ,1例唇部遗留一拇指大小的麻木区 ,2例自述术后打鼾现象有所改善。所有患者对颏部面形的改善均感满意。结论 :颏部水平截骨前徙术 ,可避免隆颏术的缺点 ,并可能对由颏后缩引起的鼾症有改善作用 ,且操作简单 ,疗效稳定 ,为一种经济、实用的整形手术 ,值得推广
Objective: To analyze the clinical effect of horizontal osteotomy on chin reduction. Methods: Sixty-two cases of chin incision were randomly divided into 30 cases of chin augmentation and 3 cases of horizontal anterior osteotomy. The treatment results were compared between the two groups. Results: There were 30 cases of chin augmentation surgery: 2 cases were infected and rejected, and 2 cases were not satisfied with improvement of the shape of the chin. The 21 cases readme implants were displaced by external force and the skin had abnormal reaction to some extent. 32 cases of horizontal osteotomy before migration: 3 cases of local injury of the chin nerve injury, including 2 cases of numbness disappeared 6 months after surgery, 1 case left a thumb thumb numbness, 2 cases of postoperative snoring it has been improved. All patients were satisfied with the improvement of the chin shape. Conclusion: The chin horizontal anterior osteotomy can avoid the shortcomings of chin augmentation and may improve the snoring caused by chin retraction, and it is easy to operate and has stable curative effect. It is an economical and practical plastic surgery , Worth promoting