应用锥形束CT比较骨性Ⅲ类高角(牙合)与正常(牙合)成人上气道形态和舌骨位置的意义

doi:10.13481/j.1671-587x.20190427

吉林大学学报(医学版) ›› 2019, Vol. 45 ›› Issue (04): 899-904.doi: 10.13481/j.1671-587x.20190427

• 临床研究 • 上一篇

应用锥形束CT比较骨性Ⅲ类高角(牙合)与正常(牙合)成人上气道形态和舌骨位置的意义

梅冬兰¹, 韩立赤¹, 阎振梅², 黄宏伟³

1. 大连大学医学院口腔系, 辽宁大连 116622;
2. 辽宁省大连市口腔医院正畸科, 辽宁大连 116021;
3. 陆军特色医学中心教学训练中心, 重庆 400038

收稿日期:2018-09-24 发布日期:2019-08-02
通讯作者: 韩立赤,副教授,硕士研究生导师(Tel:0411-87402340,E-mial:hanlichi@dlu.edu.cn) E-mail:hanlichi@dlu.edu.cn
作者简介:梅冬兰(1991-),女,江苏省东台市人,在读医学硕士,主要从事口腔正畸学方面的研究。
基金资助:
辽宁省科技厅科技计划项目资助课题（201202008）；大连大学研究生重点建设课程项目资助课题（20160315）

Significance of comparison in upper airway morphology and hyoid position between skeletal class Ⅲ malocclusion of high-angle and normal occlusion of adults by cone beam CT

MEI Donglan¹, HAN Lichi¹, YAN Zhenmei², HUANG Hongwei³

1. Department of Stomatology, College of Medical Sciences, Dalian University, Dalian 116622, China;
2. Department of Orthodontics, Dalian Stomatology Hospital, Liaoning Province, Dalian 116021, China;
3. Teaching and Training Center, Army Characteristic Medical Center, Chongqing 400038, China

Received:2018-09-24 Published:2019-08-02

摘要/Abstract

摘要： 目的：通过锥体束CT（CBCT）图像分析骨性Ⅲ类高角（牙合）与正常（牙合）成人上气道形态和舌骨位置的差异，初步探讨骨性Ⅲ类高角错（牙合）畸形对成人上气道形态及舌骨位置的影响。方法：选择在辽宁省大连市口腔医院正畸科就诊的成人患者42例，其中骨性Ⅲ类高角（牙合）组和正常（牙合）组各21例，利用MIMICS 20.0软件测量2组患者CBCT的上气道各分区线距、横截面积、体积和舌骨线距，并对数据进行统计学分析。结果：与正常（牙合）组比较，骨性Ⅲ类高角（牙合）组患者鼻咽的最大横向距离（LAT1）、腭咽的最大矢状距离（AP2）和腭咽的体积（VOL2）均增大（P<0.05），舌咽和喉咽的最大横向距离（LAT3和LAT4）、喉咽的横截面积（CSA4）和体积（VOL4）均减小（P<0.05）。与正常（牙合）组比较，骨性Ⅲ类高角（牙合）组患者舌骨位置有向前、向上移位的趋势，但差异无统计学意义（P>0.05）。结论：成人骨性Ⅲ类高角错（牙合）畸形可使上气道上段腭咽横截面积和体积增大，上气道下段喉咽横截面积和体积减小，并且舌骨有向前、向上移位的趋势。

关键词: 锥体束CT, 骨性Ⅲ类高角(牙合), 正常(牙合), 上气道, 舌骨

Abstract: Objective:To analyze the differents in the upper airway morphology and hyoid position between skeletal class Ⅲ malocclusion of high-angle and normal occlusion by cone beam CT(CBCT), and to study the influence of skeletal class Ⅲ malocclusion of high-angle in the upper airway and hyoid position of the adults preliminarily. Methods:A total of 42 adults in Department of Orthodontics, Dalian Stomatology Hospital were chosen, including 21 adults with skeletal class Ⅲ malocclusion of high-angle and 21 adults with normal occlusion. MIMICS 20.0 software was used to measure the line spacing, cross-sectional area and volume of each upper airway segment and line distance of hyoid of the patients on CBCT; SPSS 20.0 software was used for statistical analysis. Results:Compared with normal occlusion group, the maximum lateral distance (LAT1) of the nasopharynx, the maximum anterior-posterior distance (AP2) of the velopharyngeal, and the volume of the velopharyngeal (VOL2) of the patients in skeletal class Ⅲ malocclusion of high-angle group were increased (P<0.05). Compared with normal occlusion group, the maximum lateral distance of the glossopharynx and laryngopharynx (LAT3 and LAT4), the cross-sectional area of the laryngopharynx (CSA4) and the volume of the laryngopharynx (VOL4) of the patients in skeletal class Ⅲ malocclusion of high-angle group were decreased (P<0.05). While no statistically significant difference was found in the position of the hyoid bone that had a tendency to shift forward and upward of the patients in skeletal class Ⅲ malocclusion of high-angle group compared with normal occlusion group (P>0.05). Conclusion:Cross-sectional area and volume of velopharyngeal have the tendency of increase, but cross-sectional area and volume of laryngopharynx have the tendency of decrease in the patients with skeletal class Ⅲ malocclusion of high-angle. The hyoid bone has a tendency to shift forward and upward in the patients with skeletal class Ⅲ malocclusion of high-angle.

Key words: cone beam CT, skeletal class Ⅲ malocclusion of high-angle, normal occlusion, upper airway, hyoid

中图分类号:

R783

梅冬兰, 韩立赤, 阎振梅, 黄宏伟. 应用锥形束CT比较骨性Ⅲ类高角(牙合)与正常(牙合)成人上气道形态和舌骨位置的意义[J]. 吉林大学学报(医学版), 2019, 45(04): 899-904.

MEI Donglan, HAN Lichi, YAN Zhenmei, HUANG Hongwei. Significance of comparison in upper airway morphology and hyoid position between skeletal class Ⅲ malocclusion of high-angle and normal occlusion of adults by cone beam CT[J]. Journal of Jilin University(Medicine Edition), 2019, 45(04): 899-904.

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应用锥形束CT比较骨性Ⅲ类高角(牙合)与正常(牙合)成人上气道形态和舌骨位置的意义

Significance of comparison in upper airway morphology and hyoid position between skeletal class Ⅲ malocclusion of high-angle and normal occlusion of adults by cone beam CT

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