使用分离器进行双侧下颌升支矢状劈开截骨术后一年的神经感觉障碍
Neurosensory disturbances one year after bilateral sagittal split mandibular ramus osteotomy performed with separators.
作者信息
van Merkesteyn J P Richard, Zweers Albert, Corputty Johan E M
机构信息
Department of Oral & Maxillofacial Surgery, Leiden University Medical Centre, Leiden, The Netherlands.
出版信息
J Craniomaxillofac Surg. 2007 Jun-Jul;35(4-5):222-6. doi: 10.1016/j.jcms.2007.04.006. Epub 2007 Jul 30.
BACKGROUND
The most frequently performed osteotomy for correction of mandibular retrognathia is a bilateral sagittal split ramus osteotomy. Permanent neurosensory disturbance of the inferior alveolar nerve is one of the most frequently and severe complications. Many authors have reported this, but the incidence differs widely. In the recent literature, only four authors have reported a percentage of less than 10% after 1 year follow-up.
OBJECTIVE
To determine the incidence of permanent neurosensory disturbance of the inferior alveolar nerve after bilateral sagittal split ramus osteotomy, and possible influences of the technique used.
PATIENTS AND METHODS
A series of 109 patients is reported who underwent a bilateral sagittal split mandibular ramus osteotomy with the use of separators and without the use of chisels. The segments were hold by rigid transbuccal screw fixation.
RESULTS
The incidence of neurosensory disturbances 1 year after surgery was 8.3%.
CONCLUSION
The use of sagittal split separators without the use of chisels, may play an important role in the relatively low percentage of persistent hypoaesthesia of the inferior alveolar nerve.
背景
用于矫正下颌后缩最常施行的截骨术是双侧矢状劈开下颌支截骨术。下牙槽神经永久性感觉功能障碍是最常见且严重的并发症之一。许多作者都报告过这一情况，但发生率差异很大。在最近的文献中，只有四位作者报告1年随访后发生率低于10%。
目的
确定双侧矢状劈开下颌支截骨术后下牙槽神经永久性感觉功能障碍的发生率，以及所用技术可能产生的影响。
患者与方法
报告了一系列109例患者，他们接受了使用分离器且不使用凿子的双侧矢状劈开下颌支截骨术。骨段通过坚固的经颊螺钉固定。
结果
术后1年感觉功能障碍的发生率为8.3%。
结论
使用矢状劈开分离器而不使用凿子，可能在相对较低的下牙槽神经持续性感觉减退发生率方面发挥重要作用。
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