上颌骨前方牵引配合快速括弓治疗骨性Ⅲ类错牙合畸形的疗效分析

上海口腔医学 ›› 2016, Vol. 25 ›› Issue (3): 327-333.

上颌骨前方牵引配合快速括弓治疗骨性Ⅲ类错牙合畸形的疗效分析

章依文, 沈刚

上海交通大学医学院附属第九人民医院·口腔医学院口腔正畸科, 上海市口腔医学重点实验室,上海 200011

收稿日期:2015-09-22 修回日期:2016-01-14 出版日期:2016-06-25 发布日期:2016-07-22
通讯作者: 沈刚,E-mail:gangshen@orthosh.com E-mail:minicat65@126.com
作者简介:章依文（1988-）,女,硕士研究生

The effects of maxillary protraction treatment with rapid maxillary expansion for skeletal Class Ⅲ malocclusion

ZHANG Yi-wen, SHEN Gang

Department of Orthodontics, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine; Shanghai Key Laboratory of Stomatology. Shanghai 200011,China

Received:2015-09-22 Revised:2016-01-14 Online:2016-06-25 Published:2016-07-22

摘要/Abstract

摘要： 目的根据前颅底解剖结构的稳定性为基础建立参考坐标系,评价上颌骨前方牵引配合快速扩弓矫治骨性Ⅲ类错牙合畸形的疗效。方法选择20例采用上颌骨前方牵引矫治的骨性Ⅲ类错牙合畸形青少年患者为实验组,20例未进行任何治疗的骨性Ⅲ类错牙合畸形青少年患者为对照组,运用前颅底解剖结构重叠建立坐标系,对矫治（观察）前、后的侧位片进行头影测量分析。采用SPSS13.0软件包对数据进行统计学分析。结果实验组矫治后的上颌长度(Ptm-ANS)平均增加2.08 mm,对照组为1.34 mm,差异显著 (P<0.01);实验组和对照组的SNA和代表上颌骨相对位置的A-N具有显著差异(P<0.05)。实验组的上颌骨矢状向相对位置(S-Ptm)平均前移0.23 mm,对照组为0.21 mm,差异无显著性(P>0.05)。结论运用前颅底解剖结构重叠建立坐标系,可以更为全面地评价上颌骨前方牵引矫治后颌骨硬组织的变化。

关键词: 上颌骨前方牵引, 前颅底解剖结构, 骨性反牙合

Abstract: PURPOSE: This study evaluated the effect of maxillary protraction with rapid maxillary expansion (RME) for adolescent skeletal Class Ⅲ malocclusion cases. The anatomical cranial structures were used to superimpose and establish the reference grid. METHODS: Twenty cases of adolescent skeletal Class Ⅲ malocclusion treated by maxillary protraction were included as the treatment group, another 20 cases of adolescent skeletal Class Ⅲ malocclusion without treatment were used as the control group. Cephalometric analysis according to the reference grid superimposed by the anatomical cranial structures was carried out before and after treatment. The data were statistically analyzed using SPSS 13.0 software package. RESULTS: There was significant increase in maxillary length（Ptm-ANS）(P<0.01).SNA and the maxillary position (A-N) differences were statistically significant (P<0.05) while there was no significant change in maxillary sagittal position (S-Ptm). CONCLUSIONS: It is a feasible approach to assess changes of the hard tissue after orthopedic therapy using the reference grid superimposed by anatomical cranial structures.

Key words: Maxillary protraction, Anatomical cranial structures, Skeletal Class malocclusion

中图分类号:

R783.5

章依文, 沈刚. 上颌骨前方牵引配合快速括弓治疗骨性Ⅲ类错牙合畸形的疗效分析[J]. 上海口腔医学, 2016, 25(3): 327-333.

ZHANG Yi-wen, SHEN Gang. The effects of maxillary protraction treatment with rapid maxillary expansion for skeletal Class Ⅲ malocclusion[J]. Shanghai Journal of Stomatology, 2016, 25(3): 327-333.

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