金瓷冠邊緣牙體預(yù)備形式與牙體適合性的實(shí)驗(yàn)研究.pdf

1、遵義醫(yī)學(xué)院碩士學(xué)位論文金瓷冠邊緣牙體預(yù)備形式與牙體適合性的實(shí)驗(yàn)研究姓名：趙柏松申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：口腔修復(fù)學(xué)指導(dǎo)教師：朱國(guó)威20050301碩士畢業(yè)論文金屬烤瓷冠的邊緣牙體預(yù)備形式與牙頸部適合性的實(shí)驗(yàn)研究Theexperimentalresearchabouttherelationshipbetweenteeth’sneckpreparationpatternsandthemarginaladaptationoftheporcela

2、infused—tometalcrownMajor：prosthodonticsName：ZhaobaisongSuperVisor：ZhuguoweiDepartmentofStomatology，ZunyiMedicalCollege，ZunyiGuiZhou563003Abstract[Purpose]Thesnbjectistodiscusstherelationshipbetweenthepatternsofmarginalp

3、reparationofthePFM’Sreparingandthemarginaladaptation；verifytheresultwhichisbasedontheoryandselectbettermarginalpreparationpattern；givesomereferenceinclinic【MethedslFirstly，thereare78teethwhicharestrictlybasedontheclinica

4、loperationtocompletethePFMcrowns，therearethreepatternsofneckmarginofPFMcrown：thebevel(15frontteeth，11backteeth)，the90一degreeshoulder(15frontteeth，l0backteeth)，thel35一degreechamferbevel(17frontteeth，10backteeth)Secondly，i

5、nsertingandstickingthemunderthesameconditionThen，usingthemulti—purposeindustrialmicroscopetomeasurethegapbetweenthecrown’Smarginandtheteeth【Result】ThemeasuredgapITheaverageofthefrontandthebacktooth：thebevelgroup(696119j：

6、2347832)tm；the90degreeshouldergroup(4203852772915)gm；theI35degreechamferbeveIgroup(456620士2656422)gmtherewasnosignificantdifferentbetweenthe90degreeshouldergroupandthe135degreechamferbevelgroup(PO05)，however，itshowedsign