小颏畸形的诊断治疗

The diagnosis and treatment of microgenia

目的 探讨小颏畸形的诊断及下颌骨体水平截骨与游离植骨颏成形术治疗的适应证。方法 对 8例小颏畸形作面部测量及X线检查 ,分析颜面下 1 /3畸形特点 ,对中、重度小颏畸形采用下颌骨体水平截骨前移或游离植骨颏成形术矫正。结果 8例治疗效果满意。结论 正确分析小颏畸形的特点 。

Objective This article is to elucidate the indications of horizontal advancement osteotomy of the mandible or bone grafting for microgenia. Methods After understanding the characteristics of a patient's inferior one-third facial malformation through physical and cephalometric measurement, we correct the malformation of moderate or serious degree with osteotomy genioplasty. Results Eight patients received the operation and obtained good results. Conclusion Understanding the characteristics of microgenia and choosing a rational method is the prerequisite for a good operative result.