自酸蝕粘接系統粘接托槽1小時內抗剪切強度的實驗研究.pdf

1、南昌大學醫學院碩士學位論文自酸蝕粘接系統粘接托槽1小時內抗剪切強度的實驗研究姓名：肖莉申請學位級別：碩士專業：口腔臨床醫學指導教師：吳建勇20090601AbstractABSTRACTObjective：Thepurposeofthisstudywastoevaluatetheinfluenceofaselfetchingprimeronshearbondstrengths(SBS)within1hours，andprovideevi

2、denceforclinicalpracticeMethods：200extractedhumanmaxillarypremolarsfororthodontictreatwerecollectedanddividedrandomlyinto20groups(10each)Bracketswerebondedbyselfetchingprimer(TPSEP；TransbondPlusSelfEtchingPrime0combinede

3、d、Ⅳitlllight—curedadhesivepaste(TransbondXT)orresinmodifiedglassionomer(RMGI，FujiOrthoLcglassionomercement)TheSBSWastestedat5min，15min，30min60minand24hEvaluatedtheARIbyobservingthesurfaceoftheteethafterdebondingAnystatis

4、ticallysignificantdifferencesinthesevariableswereanalysedbyfactorialanalysisResults：(1)ThehighestSBSwasobtainedat24hoursinallguoupswhilethelowestoneWasat5mininthegroupsofselfetchingprimer、析ththeresin—modifiedglassionomer

5、and35％phosphoricacid、vitlltheresinmodifiedglassionomer(2)TheSBSWasapproximateat5，15，30and60minutesbutsignificantlyhigherat24hwhenthelightcureadhesivecoupled而t11selfetchingprimeror35％phosphoric(3)TheSBSofthegroupofselfetc

6、hingprimerwitllresinmodifiedglassionomerand35％phosphoricacidwiththeresinmodifiedglassionomerWaslowestat5minandhighestat24handapproximateat15，30and60min(4)ThereWasnosignificantdifferenceofARIinallgroupsConclusion：(1)TheSB

7、SofbondingwiththeuseoftheselfetchingprimerWassimilartotheconventionalmethodduringthefirsthourandat24h(2)ClinicallyadequateSBSwasobtainedat5minwhenbracketswerebondedbytheselfetchingprimercombined、機tlllightcureadhesiveandt