口腔医学研究

口腔医学研究 ›› 2018, Vol. 34 ›› Issue (4): 405-410.DOI: 10.13701/j.cnki.kqyxyj.2018.04.017

• 口腔颌面影像学研究 • 上一篇    下一篇

骨性Ⅲ类错牙合畸形上气道与下颌骨形态结构研究

郑赵杨, 张苗苗*, 刘志杰   

  1. 哈尔滨医科大学附属口腔医院正畸科 黑龙江 哈尔滨 150001
  • 收稿日期:2017-10-26 出版日期:2018-04-28 发布日期:2018-04-25
  • 通讯作者: 张苗苗,E-mail:zhangmiaohlj@163.com
  • 作者简介:郑赵杨(1992~ ),男,黑龙江省同江市人,硕士在读,医师,研究方向为口腔正畸学。
  • 基金资助:
    2008年获黑龙江省政府博士后资助基金(编号:LRB2008-564)

Study on Morphological Structure of Upper Airway and Mandible in Skeletal Class Ⅲ Malocclusion.

ZHENG Zhao-yang, ZHANG Miao-miao*, LIU Zhi-jie.   

  1. Department of Orthodontics, Stomatology Hospital, Harbin Medical University. Harbin 150001, China.
  • Received:2017-10-26 Online:2018-04-28 Published:2018-04-25

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摘要： 目的:应用cbct分析骨性Ⅲ类错牙合患者上气道与下颌骨形态学上的相关关系。方法:选取高角骨性Ⅲ类错牙合及个别正常颌成年志愿者各30例进行CBCT扫描,将获得的CBCT数据导入到mimics17.0医学软件,重建上气道及下颌骨三维结构模型并对其进行测量。应用独立样本t检验比较成人高角骨性Ⅲ类错牙合与正常颌间上气道与下颌骨形态结构的差异。应用pearson相关分析法,分析骨性Ⅲ类错牙合畸形上气道与下颌骨测量项目的相关关系。结果:骨性Ⅲ类错牙合组上气道与下颌骨各测量项目中有显著相关性的共16项。骨性Ⅲ类错牙合组和个别正常牙合组测量结果比较有18个测量项目有明显差异(P＜0.05),分别为鼻咽段的冠状径、高度、横截面积、体积、腭咽段的矢状径、横截面积、体积、舌咽段横截面积、体积、上气道总体积、下颌角、下颌骨体长度、下颌骨总长度、下颌升支体积、下颌体部体积、下颌颏部体积、下颌骨总体积及颏角。结论:骨性Ⅲ类错牙合畸形患者上气道与下颌骨之间具有相关关系,两者的形态变化相互影响。骨性Ⅲ类成人患者与正常颌患者相比在上气道及下颌骨形态方面存在一定的差异。

关键词: 骨性Ⅲ类, 上气道, 下颌骨, 相关关系, CBCT

Abstract: Objective: To analyze the relationship between upper airway and mandible morphology in patients with skeletal Ⅲ class malocclusion by CBCT. Methods: Thirty volunteers with individual normal occlusion and 30 patients with high-angle skeletal Ⅲ class malocclusion were selected. All samples were scanned by cone-beam CT, and reconstructed and measured by Mimics17.0 medical software. Differences between two groups were assessed using independent sample t-test. Correlations between two groups were evaluated using pearson’s coefficient. Results: There were 16 significant correlational measurements between mandible and upper airway of the skeletal Ⅲ class malocclusion group. Eighteen measurements showed significant differences between individual normal occlusion and the skeletal Ⅲ class malocclusion (P＜0.05), which were the coronal diameter, height, cross-sectional area, and volume of nasopharyngeal segment, the sagittal diameter, cross-sectional area, and volume of palatalpharyngeal segment, the cross-sectional area and volume of lingual pharynx, the total volume of upper airway, mandibular body length, mandibular length, mandibular angle, mandibular ramus volume, mandibular body volume, mandibular chin volume, mandibular total volume, and chin angle. Conclusion: The upper airway morphology of class Ⅲ sagittal skeletal was correlated with mandibular parameters, both of which influenced each other. Differences in the upper airway and mandibular morphology were statistically significant between two groups.

Key words: Skeletal Ⅲ class malocclusion, Upper airway, Mandibular, Correlation, CBCT