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| 下颌前突外科手术前后的正畸治疗 |
| 来源： 时间：2007-04-26 10:00:59 |
| 【摘要】 目的 总结、分析口腔正畸-正颌外科联合矫治下颌前突畸形的治疗经验，以指导临床工作。方法 对40例年龄为17～38岁的下颌前突患者经口腔正畸与正颌外科联合矫治的资料进行分析。结果 40例下颌前突患者平均术前正畸治疗时间9个月(2～25个月)，术后正畸治疗时间7.6个月(2～15个月)。整个治疗过程平均16个月(4～41个月)。术前正畸治疗的目标为排齐上下牙列，完成切牙和磨牙的去代偿治疗，整平牙列，协调上下牙弓宽度。术后正畸的目标为关闭残余间隙，伸长后牙以纠正后牙区开，平行移动牙齿，调整关系。结论 术前术后正畸治疗是正颌外科手术矫正下颌前突畸形不可缺少的步骤和取得良好效果的保证。pre-and post surgical orthodontic treatment of mandibular prognathism zhou yanheng, hu wei, fu minkui, et al. school of stomatology, beijing medical university，beijing 100081 【abstract】 objective to analyze the patients we treated in clinic through combined orthodontic-orthognathic surgery, and get some guidance for the future clinical work.methods all 40 skeletal class iii malocclusion patients we analyzed were from joint clinic of our hospital. they aged from 17 to 38.results the duration for presurgical orthodontic treatment was 9 months on average (2～25 months)，and for postsurgical orthodontic treatment about 7.6 months on average (2～15 months). the duration for whole active treatment was 16 months on average (4～41 months). the objectives of presurgical orthodontic are: alignment of dental arches, decompensation of anterior and posterior teeth, leveling of arches, and coordination of the width of the upper and lower arches. after presurgical orthodontic treatment, most of the patients could be treated by one piece surgery, which could simplify the surgical procedure and reduce the relapse rate of surgery. during the surgery, we modified the inte |
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