2种不同拔牙方式矫治前后安氏Ⅱ类1分类错（牙合）青少年患者软硬组织侧貌的比较

doi:10.13481/j.1671-587x.20180324

吉林大学学报(医学版) ›› 2018, Vol. 44 ›› Issue (03): 585-591.doi: 10.13481/j.1671-587x.20180324

2种不同拔牙方式矫治前后安氏Ⅱ类1分类错（牙合）青少年患者软硬组织侧貌的比较

马啸远, 张祎, 姜欢, 杨军星, 胡敏

吉林大学口腔医院正畸科, 吉林长春 130021

收稿日期:2018-03-09 出版日期:2018-05-28 发布日期:2018-05-31
通讯作者: 胡敏,教授,博士研究生导师(Tel:0431-8559371,E-mail:humin@jlu.edu.cn) E-mail:humin@jlu.edu.cn
作者简介:马啸远(1993-),男,河南省南阳市人,在读医学硕士,主要从事口腔正畸方面的研究。
基金资助:
国家自然科学基金资助课题（81470764，8160898）；吉林省教育厅科研项目资助课题（吉教科合字[2015]第531）

Comparsion of soft and hard tissue profiles of adolescent patients with class Ⅱ division 1 malocclusion between before and after treated with two different kinds of tooth extraction methods

MA Xiaoyuan, ZHANG Yi, JIANG Huan, YANG Junxing, HU Min

Department of Orthodontics, Stomatology Hospital, Jilin University, Changchun 130021, China

Received:2018-03-09 Online:2018-05-28 Published:2018-05-31

摘要/Abstract

摘要： 目的：比较2种不同拔牙方式矫治前后安氏Ⅱ类1分类错（牙合）青少年患者软硬组织侧貌的变化，为临床治疗提供参考。方法：选择安氏Ⅱ类1分类青少年患者60例，根据不同拔牙方式分为44/44组（拔除4颗第一前磨牙，30例）和44/55组（拔除2颗上颌第一前磨牙和2颗下颌第二前磨牙，30例），应用治疗前后的头颅侧位片测量2组患者软硬组织的相关测量指标（T1和T2）及其差值（T2-T1）。结果：与治疗前比较，治疗后2组患者硬组织测量指标中Overjet、SNA、ANB、U1-NA、U1-NA距、U1-SN、NA-PA和A-NP减小（P<0.01），U1-L1和Pg-NB增大（P<0.05或P<0.01）；与治疗前比较，治疗后2组患者软组织测量指标中H角、上唇突度、下唇突度、上唇-E线距离、下唇-E线距离和鼻下点-H线距离减小（P<0.05或P<0.01），下唇倾角增大（P<0.01）；治疗前后2组患者软硬组织测量指标变化量（T2-T1）比较差异无统计学意义（P>0.05）。结论：2种拔牙方式矫治安氏Ⅱ类1分类错（牙合）青少年患者时对于患者面部软硬组织侧貌的改变无明显差别。

关键词: 安氏Ⅱ类1分类错（牙合）, 拔牙, 软硬组织侧貌

Abstract: Objective: To compare the changes of soft and hard tissue profiles of the adolescent patients with class Ⅱ division 1 malocclusion between before and after treated with two different kinds of tooth extraction methods, and to provide the reference for clinical treatment. Methods: A total of 60 adolescent patients with class Ⅱ division 1 malocclusion were included,and they were divided into 44/44 group(n=30) and 44/55 group(n=30) based on different kinds of tooth extraction methods. Four first premolars of the patients in 44/44 group were extracted and 2 maxillary first premolars and 2 mandibular second premolars of the patients in 44/55 group were extracted.The measurement indexes of pre-treatment(T1) and post-treatment(T2) and their difference values(T2-T1) of soft and hard tissues of the adolescent patients were detected by lateral cephalometric radiographs. Results: As for the hard tissue,compared with before treatment,the Overjet,SNA,ANB,U1-NA,distance of U1-NA,U1-SN,NA-PA,and A-NP of the adolescent patients in two groups after treatment were decreasd (P<0.01),and U1-L1 and Pog-NB were increased (P<0.05 or P<0.01); as for the soft tissue, compared with before treatment, the H angle, UL-SnPg', LL-SnPg', UL-ELine, LL-ELine, and Sn-HLine of the adolescent patients in two groups after treatment were decreased(P<0.05 or P<0.01); B'LL-FH was increased(P<0.01);there were no significant differences in the difference values(T2-T1) of measurement indexes in the soft and hard tissues of the adolescent patients in two groups (P>0.05). Conclusion: The changes of soft and hard tissue profiles of the adolescent patients after treated with two different kinds of tooth extraction methods are not significant.

Key words: class Ⅱ division 1 malocclusion, extraction, soft and hard tissue profile

中图分类号:

R783.5

马啸远, 张祎, 姜欢, 杨军星, 胡敏. 2种不同拔牙方式矫治前后安氏Ⅱ类1分类错（牙合）青少年患者软硬组织侧貌的比较[J]. 吉林大学学报(医学版), 2018, 44(03): 585-591.

MA Xiaoyuan, ZHANG Yi, JIANG Huan, YANG Junxing, HU Min. Comparsion of soft and hard tissue profiles of adolescent patients with class Ⅱ division 1 malocclusion between before and after treated with two different kinds of tooth extraction methods[J]. Journal of Jilin University Medicine Edition, 2018, 44(03): 585-591.

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2种不同拔牙方式矫治前后安氏Ⅱ类1分类错（牙合）青少年患者软硬组织侧貌的比较

Comparsion of soft and hard tissue profiles of adolescent patients with class Ⅱ division 1 malocclusion between before and after treated with two different kinds of tooth extraction methods

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