拔牙与非拔牙正畸治疗对骨性ⅲ类错猞畸形患者正侧貌软组织变化的影响

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1、授予单位代码10089学号或申请号20153590中国图书分类号R783.5HebeiMedicalUniversity硕士学位论文专业学位拔牙与非拔牙正畸治疗对骨性Ⅲ类错畸形患者正侧貌软组织变化的影响研究生：刘艳艳导师：卢海燕教授专业：口腔医学二级学院：口腔医学院2018年3月目录中文摘要·················································································1英文摘要························································

2、·························3英文缩写·················································································6研究论文拔牙与非拔牙正畸治疗对骨性Ⅲ类错畸形患者正侧貌软组织变化的影响前言·················································································7材料与方法····················································

3、····················8结果···············································································14附图···············································································18附表···············································································24讨论·················

4、······························································34结论···············································································41参考文献·········································································41附录·····························································

5、··················47综述不同治疗干预对骨性Ⅲ类患者软组织变化的研究现状·············55致谢·····················································································64个人简历···············································································65中文摘要拔牙与非拔牙正畸治疗对骨性Ⅲ类错畸形患者正侧貌软组织变化的影响摘要目的：通过比较骨性Ⅲ类错畸形患者

6、拔牙与非拔牙不同正畸干预后软硬组织侧貌以及正貌唇形态的变化，研究两种治疗方法对软组织变化的影响并探讨软硬组织变化的相关性。方法：按照纳入标准选取生长发育完成期骨性Ⅲ类患者32例，依据是否拔除四颗第一前磨牙分为拔牙组（14人）和非拔牙组（18人）。每位患者在矫治前和矫治结束后分别拍摄正面像及头颅侧位片，共选取测量标记点43个，测量项目60项。采用SPSS21.0软件包进行统计学分析。结果：1正面像拔牙组矫治后下唇红整体高度及下唇红面积减小（P＜0.05）。非拔牙组矫治后上下唇红整体高度及上唇红面积增加，唇红长宽比减小（P＜0.05）。上下唇红整体高度、上下唇红面积、上唇红高

7、比、唇红长宽比的变化在两组间存在差异（P＜0.05）。2头颅侧位片拔牙组矫治后下面高增大，下切牙舌向移动，下牙槽缘点后移，上下第一磨牙距增大，下唇凸度减小（P＜0.05）。非拔牙组矫治后下颌顺旋后移，上下颌相对位置改善，上切牙唇向移位，上下切牙角减小，上牙槽缘点前移，软组织凹陷侧貌改善，上唇前移，颏唇沟加深（P＜0.05）。上下切牙、下唇突度、下齿槽缘点的移位以及上唇倾角、下唇倾角、上下唇角的变化在两组间存在差异（P＜0.05）。3相关性Pearson相关分析显示，两组上下唇凸度的变化均与上下颌骨移位正相关（P＜0.05）。上