成都地区安氏Ⅱ类1分类错 畸形患者鼻唇角的相关因素研究
Analysis of the correlative factors of the nasolabial angle of patients with Angle’s Class Ⅱ division 1 malocclusion in Chengdu
作者：杜雅晶,姚红英,黄诗言,徐舒豪,饶南荃,李小兵
Author：Du Yajing, Yao Hongying, Huang Shiyan, Xu Shuhao, Rao Nanquan, Li Xiaobing
收稿日期：2015-01-22 年卷（期）页码：2016,43(2):155-158
期刊名称：国际口腔医学杂志
Journal Name：International Journal of Stomatology
关键字：鼻唇角,安氏Ⅱ类1分类,软组织,鼻唇角,安氏Ⅱ类1分类,软组织,
Key words：nasolabial angle,Angle’s Class Ⅱ division 1 malocclusion,soft tissue,nasolabial angle,Angle’s Class Ⅱ division 1 malocclusion,soft tissue,
基金项目：
中文摘要
目的 研究成都地区安氏Ⅱ类1分类错 畸形患者鼻唇角的变化，并进一步分析安氏Ⅱ类1分类错 引起鼻唇角变化的相关因素，为临床诊断与疗效分析提供依据。方法 选择200例成都地区ANB角大于5°的安氏Ⅱ类1分类错 畸形患者的X线头颅侧位片为样本，测量软硬组织指标共计22项。结果 安氏Ⅱ类1分类错 畸形患者鼻唇角的测量均值为96.401°±11.265°，与鼻唇角形态相关性强的因素是鼻突度、鼻底平面角、上唇倾角、上唇突角和上唇厚度（P
英文摘要
Objective The aim of this study was to analyze the changes of the nasolabial angle of patients with Angle’s Class Ⅱ division 1 malocclusion in Chengdu and the relative factors effecting the changes to provide experimental results to help in orthodontic clinical diagnosis and treatments. Methods We selected cephalometric radiographs of 200 children with Angle’s Class Ⅱ division 1 malocclusion with ANB angle greater than 5°. A total of 22 measurements on hard and soft tissues were included. Results The average nasolabial angle of children with Angle’s Class Ⅱ division 1 malocclusion is 96.401°±11.265°. SN-Prn, SNCm-FH angle, UL’A’-FH angle, UL’SN-FH angle, and UL’-SN have a strong correlation with nasolabial angle. Conclusion The key factors affecting nasolabial angle are centralized in pates nasalis and upper lip soft tissue and are less relative with maxillary central incisor position and hard tissue morphology. The upper lip soft tissue is important in the cushioning within the facial soft tissue profile.
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