采用Hunsuck改良法及微型钢板固定行双侧矢状劈开截骨术后下颌后缩情况的评估
Evaluation of mandibular setback after bilateral sagittal split osteotomy with the hunsuck modification and miniplate fixation.
作者信息
Yang Xue-Wen, Long Xing, Yeweng San-Jie, Kao Chia-Tze
机构信息
Department of Oral and Maxillofacial Surgery, College of Stomatology, Wuhan University, Wuhan, China.
出版信息
J Oral Maxillofac Surg. 2007 Nov;65(11):2176-80. doi: 10.1016/j.joms.2006.11.022.
PURPOSE
This study was conducted to evaluate neurosensory disturbances (NSDs) and jaw movement after bilateral sagittal split osteotomy (BSSO) with the Hunsuck modification and miniplate fixation to correct mandibular prognathism.
PATIENTS AND METHODS
A total of 63 patients who underwent Hunsuck-modified BSSO to correct mandibular prognathism were studied. Both 3-month and 6-month postoperative Schuller's temporomandibular joint (TMJ) views tracing the 63 patients were studied to analyze mandibular movement. The patients' NSD and TMJ symptoms were recorded. Data were analyzed using 1-way analysis of variance.
RESULTS
The mean TMJ was 9.6% with clicking before surgery. At the evaluation 6 months after surgery, the clicking had reduced to 3.1%. The lip neuorsensory deficit increased to 23.8% at 6 months after surgery. The jaw position measurements before and after surgery showed statistically significant differences in mouth opening and jaw advancement (P < .05). The changes in mandibular lateral movement were not statistically significant (P > .05).
CONCLUSIONS
The results of this study show reduced TMJ clicking, the presence of NSDs, and reduced mouth opening after Hunsuck-modified BSSO.
目的
本研究旨在评估采用洪萨克改良法及微型钢板固定进行双侧矢状劈开截骨术（BSSO）矫正下颌前突后神经感觉障碍（NSDs）及下颌运动情况。
患者与方法
共研究了63例行洪萨克改良BSSO矫正下颌前突的患者。对这63例患者术后3个月和6个月的许勒位颞下颌关节（TMJ）影像进行研究，以分析下颌运动情况。记录患者的神经感觉障碍及颞下颌关节症状。采用单因素方差分析对数据进行分析。
结果
术前平均颞下颌关节弹响率为9.6%。术后6个月评估时，弹响率降至3.1%。术后6个月时唇部神经感觉缺损增加至23.8%。手术前后的下颌位置测量显示，张口度和下颌前伸在统计学上有显著差异（P < 0.05）。下颌侧方运动的变化无统计学意义（P > 0.05）。
结论
本研究结果表明，采用洪萨克改良BSSO后颞下颌关节弹响减少、存在神经感觉障碍且张口度减小。
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