骨性Ⅱ类青少年Twin-Block 矫治后气道和下颌骨变化的相关性研究

›› 2021, Vol. 41 ›› Issue (5): 418-423.

骨性Ⅱ类青少年Twin-Block 矫治后气道和下颌骨变化的相关性研究

王玉华¹,王林¹,王威²,王珊¹,赵春洋³

1. 南京医科大学附属口腔医院
2. 南京医科大学
3. 南京医科大学口腔疾病研究江苏省重点实验室，南京医科大学附属口腔医院正畸科，

收稿日期:2020-12-08 修回日期:2021-01-21 出版日期:2021-05-28 发布日期:2021-05-21
通讯作者: 赵春洋 E-mail:zhaochunyang_orth@163.com
基金资助:
国家自然科学基金;江苏省高校优势学科建设工程项目;科教强卫口腔正畸学

Correlations between the changes of upper airway and mandible after Twin-Block treatment in adolescents with ClassⅡ malocclusion

Received:2020-12-08 Revised:2021-01-21 Online:2021-05-28 Published:2021-05-21

摘要/Abstract

摘要： 目的探讨 Twin-Block功能矫治器矫治后的安氏Ⅱ类下颌后缩青少年患者上气道变化与下颌骨变化之间的相关性。方法选择使用Twin-Block 治疗安氏Ⅱ类下颌后缩青少年Forty例作为研究组，不矫治或仅戴用前庭盾的骨性Ⅱ类青少年20例作为对照组。研究组治疗前后拍摄 CBCT，对照组两次CBCT拍摄间隔1年左右。利用 Dolphin 软件对收集的数据进行三维重建，测量上气道及下颌骨研究指标，对两者变化量进行Pearson相关性分析。结果下颌骨位置变化与上气道变化无明显相关关系（P＞0.05），下颌骨长度（r=0.351）、下颌体长度（r=0.382）、前面高（r=0.355）及后面高（r=0.321）的变化量与LR-硬腭变化量显著正相关（P＜0.05）。结论 Twin-Block功能矫治器在促进青少年的下颌骨生长发育的同时，增大腭咽横径，扩大上气道容积。

关键词: 上气道, 下颌骨, 相关性, Twin-block功能矫治器

Abstract: Abstract: Objective to explore the correlations between the changes of upper-airway and mandible in adolescents patients with Class II division 1 malocclusion and mandibular retrusion treated with Twin-block functional appliance. Methods.40 cases of adolescent with Class II division 1 malocclusion and mandibular retrusion received Twin-block treatment were selected as the study group whereas 20 adolescents with skeletal Class II did not receive treatment or wearing vestibular shield were serve as the control group.The CBCT was taken before and after treatment in the study group while the two CBCT test of the control group were finished within 1 year approximately.The changes of upper-airway and mandibular were measured by using Dolphin software. SPSS 18.0 software package was used for Pearson correlation analysis. Results There was no significant correlation between the changes of mandible position and the upper airway (P > 0.05).The changes of mandibular length (r = 0.351), mandibular body length (r = 0.382), anterior facial height (r = 0.355) and posterior facial height (r = 0.321) were significantly correlated with the change of the lateral diameter of velopharynx(P < 0.05). Conclusion Twin-block appliance treatment can promote the growth and development of mandible and increase the lateral diameter of velopharyngeal to enlarge the volume of the upper airway in adolescent.

Key words: upper airway, mandible, correlation, Twin-block

中图分类号:

R783.5

王玉华王林王威王珊赵春洋. 骨性Ⅱ类青少年Twin-Block 矫治后气道和下颌骨变化的相关性研究[J]. 口腔医学, 2021, 41(5): 418-423.

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