传动直丝弓与tip-edge矫治技术拔牙矫治的牙齿移动分析-(5459)

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1、万方数据天津医科大学硕士学位论文changedbetweenthetwogroups；theirdifferencewasnotstatisticallysignificantfP>0．05)．Softtissuetargets，UL-EP，LL-EP，Zangle，weresignificantlychangedwithinthegroupbeforeandaftertreatment；thedifferencewasstatisticallysignificant伊<0．05)．However，nosignificantchange

2、sofsofttissuetargetsexistedbetweenthetwogroupsafterthetreatment；thedifferencewasnotstatisticallysignificant(P>0．05)．Afterthetreatment，bothmethodsincreasedtheuppercaninewidth，decreasedthefirstmolarpitch，andincreasedthefirstpitchcanine．Thesedifferenceswerestatisticallysign

3、ificantfP

4、；reducedmaxillarysecondpremolarandfirstmolarspace；increasedlowerincisorinclination；andincreasedthelowercaninewidth．2．SofttissueprofileimprovedsignificantlywhenapplyingtransmissionstraightwireapplianceandTip-Edgeappliancetechnologycombinedwithsinglemaxillaryextractiontotr

5、eatAngleIImalocclusion．ThistreatmentWaseffective．3．ThetransmissionstraightwireappliancecombinedwithsinglemaxillaryextractionissuperiortotheTip—EdgeapplianceincontrollingtheupperincisortorqueforthetreatmentofAngleclassIImalocclusion．Keywords：ExtractiontreatmentAnalysisoft

6、oothmovementTransmissionstraightwireapplianceTip-EdgeapplianceClassII1divisionIV万方数据天津医科大学硕士学位论文目录中文摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯IAbstract．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．III符号说明⋯⋯⋯

7、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯VII前言⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．1日U舌⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．1研究现状、成果⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯1研究目的、方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．：⋯⋯⋯⋯⋯．2传动直丝弓与Tip—Edge矫治技术拔牙矫治的牙齿移动分析⋯⋯⋯⋯⋯⋯⋯⋯．41．1对象和方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．41．1．1实

8、验对象⋯⋯⋯⋯⋯⋯．．j⋯⋯⋯⋯⋯⋯⋯．⋯⋯⋯⋯一⋯⋯⋯⋯⋯41．1．2研究方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯41．2结果⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯