摘要
目的对比研究Ⅰ类错畸形患者应用拔牙矫治与非拔牙矫治对口咽气道容积的影响。方法选取2010年5月至2013年3月接受错畸形矫治的97位Ⅰ类错畸形患者作为研究对象。根据矫治方法不同,分为实验组(拔牙矫治)和对照组(非拔牙矫治)。利用回顾性分析方法,收集患者矫治后的基础临床资料以及影像学资料。结果组内比较:两组患者矫治后面中部长度、下颌骨长度较矫治前长;拔牙矫治组矫治后上中切牙倾角、下中切牙倾角较矫治前减小。非拔牙矫治组矫治后上中切牙倾角、下中切牙倾角较矫治前增大。矫治前后各项指标差异均具有统计学意义(P<0.05)。组间比较:矫治前两组各项影像学指标差异无统计学意义(P>0.05),但矫治后拔牙矫治组面中部长度、下颌骨长度更短于非拔牙矫治组;上中切牙倾角、下中切牙倾角小于非拔牙矫治组;口咽气道容积及最狭窄部位面积均大于非拔牙矫治组。矫治后两组各项指标差异均具有统计学意义(P<0.05)。结论拔牙矫治在Ⅰ类错畸形的治疗中,对口咽气道容积的影响更为积极,应在Ⅰ类错畸形的治疗中引起足够重视。
Objective To study the effect of contrast in the class I malocclusion patients application of orthodontic extraction and non ex-traction orthodontic treatment for oropharyngeal airway volume. Methods From 2010 May to 2013 March,97 class I malocclusion patients in our hospital accepting the malocclusion correction were included as the research object. According to the different treatment method,these cases were divided into experimental group（extraction treatment）and control group（non extraction treatment）. By using the retrospective analysis method, data were collected after treatment the clinical data and imaging basis. Results After the group comparison,the central length,mandibular length of two groups of patients with malocclusion is correct before long. Correctional tooth extraction in the treatment group after middle incisor inclination and lower incisor inclination reduced compared with before correction. The correctional tooth extraction treatment group after middle incisor inclina-tion and lower incisor inclination in the former can increase a correction. Rectifying the indicators before and after the differences were statistically significant（ P ﹤ 0. 05）. The treatment for the first two group of each imaging index difference has no statistical significance（ P ﹥ 0. 05）,but mandibular length is shorter in the tooth extraction treatment group after correctional tooth extraction rectification group central length. Middle inci-sor inclination angle,tooth angle is less than the tooth extraction in treatment group. The oropharyngeal airway volume and the narrowest part area were greater than the tooth extraction treatment group. After treatment,indicators are similar between the two groups have statistical significance（ P ﹤ 0. 05）. Conclusion Tooth extraction rectification in the treatment of the class I malocclusion,the oropharyngeal airway volume effect have more positive affection,should be in the treatment of the class I malocclusion caused enough attention.
出处
《临床和实验医学杂志》
2015年第21期1813-1815,共3页
Journal of Clinical and Experimental Medicine
关键词
Ⅰ类错畸形
拔牙
矫治
口咽气道容积
Class I malocclusion
Tooth extraction
Orthodontics
Oropharyngeal airway volume
