正畸联合双颌手术治疗骨性Ⅲ类畸形对上气道长期影响的CBCT分析

doi:10.13701/j.cnki.kqyxyj.2016.12.023

口腔医学研究 ›› 2016, Vol. 32 ›› Issue (12): 1319-1322.DOI: 10.13701/j.cnki.kqyxyj.2016.12.023

正畸联合双颌手术治疗骨性Ⅲ类畸形对上气道长期影响的CBCT分析

闫明¹,王宏伟^2*,李丽艳²,张伟²

1. 河北省眼科医院口腔外科河北邢台 054001;
2. 河北省眼科医院口腔正畸科河北邢台 054001

收稿日期:2016-05-11 出版日期:2016-12-25 发布日期:2016-12-26
通讯作者: 王宏伟,电话:0319-3237279
作者简介:闫明(1983~ ),男,河北人,硕士,主治医师,主要从事口腔外科临床治疗工作。

Long-term Evaluation of Airway Changes by Cone-beam Computed Tomography in Patients with Skeletal Class Ⅲ Malocclusion Treated by Orthodontic-bimaxillary Surgery.

YAN Ming¹, WANG Hong-wei^2*, LI Li-yan²

1. Department of Oral and Maxillofacial Surgery, Hebei Eye Hospital. Xingtai, 054001, China;
2. Department of Orthodontics, Hebei Eye Hospital. Xingtai 054001, China

Received:2016-05-11 Online:2016-12-25 Published:2016-12-26

摘要/Abstract

摘要： 目的:研究正畸联合双颌手术治疗骨性Ⅲ类畸形对上气道的长期影响。方法:选取骨性Ⅲ类患者26例(男12例,女14例),采用正畸联合上颌LeFort I型骨切开术和下颌升支矢状骨劈开术治疗,正畸矫治前1周(T0),正颌术后6个月(T1)及正颌术后3年(T2)拍摄锥束CT,三维重建上气道模型,对治疗前后各段矢状径、冠状径、截面积和容积进行定量分析。采用SPSS17.0软件包进行统计分析,采用方差分析SNK检验治疗前、术后6个月及3年上气道的三维变化。结果:术后6个月第二、三、四颈椎平面处矢状径和截面积显著减少,但在术后3年大部分缩窄的部位能恢复到治疗前水平。结论:正畸正颌联合治疗骨性Ⅲ类畸形会造成咽腔缩窄,随着时间会有一定程度的恢复,但部分咽腔部位不能完全恢复到治疗前水平。

关键词: 正畸正颌联合治疗, 骨性Ⅲ类畸形, 咽腔, 锥形束CT

Abstract: Objective: To evaluate the long-term effects of orthodontic-bimaxillary surgery on pharyngeal airway in treating patients with skeletal Class Ⅲ malocclusion. Methods: Patients included in this study were 12 males and 14 females with skeletal Class Ⅲ malocclusion. The patients received LeFort I and bilateral split ramus osteotomies combined with orthodontic treatment. Cone-beam computed tomography was taken one week before, six months and three years after orthodontic treatment and the three dimensional model of pharyngeal airway was reconstructed. The sagittal and coronal diameter, cross section area, and the volume of the reconstructed pharyngeal airway were quantitatively measured. The data were statistically analyzed using SPSS version17.0. SNK test for variance analysis was conducted. Results: Six months after surgery, the sagittal diameter and cross section area at CV2, CV3 and CV4 planes significantly decreased(P<0.05), however they almost recovered to the preoperative level three years after surgery. Conclusion: Pharyngeal airway space decreased after the combined therapy in the short term and recovered to certain extent but not to the preoperative level in the long-term.

Key words: Orthodontic-surgery treatment , Skeletal Class Ⅲ malocclusion, Pharyngeal airwayCone-beam, CT

中图分类号:

R783.5

闫明,王宏伟,李丽艳,张伟. 正畸联合双颌手术治疗骨性Ⅲ类畸形对上气道长期影响的CBCT分析[J]. 口腔医学研究, 2016, 32(12): 1319-1322.

YAN Ming, WANG Hong-wei, LI Li-yan. Long-term Evaluation of Airway Changes by Cone-beam Computed Tomography in Patients with Skeletal Class Ⅲ Malocclusion Treated by Orthodontic-bimaxillary Surgery.[J]. Journal of Oral Science Research, 2016, 32(12): 1319-1322.

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正畸联合双颌手术治疗骨性Ⅲ类畸形对上气道长期影响的CBCT分析

Long-term Evaluation of Airway Changes by Cone-beam Computed Tomography in Patients with Skeletal Class Ⅲ Malocclusion Treated by Orthodontic-bimaxillary Surgery.

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