不同排龈方法在口腔瓷固定修复中的应用

《不同排龈方法在口腔瓷固定修复中的应用》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、大连医科大学硕士学位论文Theapplicationofdifferentgingivalretractionmethodsforporcelain·fixedprosthodonticsMasterdegreecandidate：YangYangSupervisor：AssociateProfessorLiuYangVice·supervisor：AssociateProfessorLiuYangMajor：MasterofStomatologyAbstractObjective：Thisresearcha

2、imstocompareclinicaleffectsregardingseveralgingivalretractionmethodsinporcelain—fixedprosthodontics．MaterialandMethods：37patientsrequiringporcelain—fixedprosthesiswereincludedinthestudyfromMar．2012toMar．2013，Totally60teeth(anteriorteeth：38posteriorteeth：22)

3、withhealthyperiodontalconditionwereevaluated，amongwhich36teethwithnormalclinicalcrownheightaswellaswithoutgingivaldefect；14residualroots；10teethwithshortclinicalcrownheight．Afterpreparation，werandomlydividedallofteethpreparedintofourgroupswithfourgingivalre

4、tractionmethods(thesinglecordtechnique；thedoublecordtechnique；retractionassistedbytemporarycrown；gingivalretractionpaste)andeachgroupcontained15teeth．Afterthegingivalcontraction，makingimpressionwithsiliconrubberoragarandalginatecombinationimpressionmaterial

5、immediately，thenwemadeplatercast．Finallyalltheteeth、gums、impressionsandcastswerevisuallyinspectedandevaluatedbyonedentist．Results：Inthesampleofteethwithnormalclinicalcrownheightaswellaswithoutgingivaldefect，therateuptostandardofthedoublecordtechnique，retrac

6、tionassistedbytemporarycrown，gingivalretractionpastewashigherthanthesinglecordtechniquerespectively．Whileretractionassistedbytemporarycrown，gingivalretractionpastereachedhigherrateinthesampleofresidualrootsandteethwithshort’clinicalcrownheight．大连医科大学硕士学位论文C

7、onclusion：thedoublecordtechnique，retractionassistedbytemporarycrown，gingivalretractionpastecouldachievedesiredeffectofgingivalretraction；Eitherthemethodofretractionassistedbytemporarycrownorgingivalretractionpastereachesbettereffectinthecaseofresidualrootan

8、dtoothwithshortcrownheight．Keywords：TemporarycrownGingivalretractioncordGingivalretraction大连医科大学硕士学位论文不同排龈方法在口腔瓷固定修复中的应用硕士生姓名：杨扬指导教师：刘洋副教授指导小组：刘洋副教授专业名称：口腔医学硕士刖舌修复体边缘适合性很大程度上决定着修复的成败，而合理的排龈会极大程度的减少牙龈出血