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时间:2020-04-23
《不同表面处理对氧化锆与牙釉质黏结强度的影响-论文.pdf》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、上海口腔医学2014年8月第23卷第4期·436·shm曲JournalofStomatologyVo[.23No.4August,2014[文章编号]1006.7248(2o14)o4..0436..05不同表面处理对氧化锆与牙釉质黏结强度的影响程骇,-,乔广艳。,董聪,张富强’(1.上海交通大学医学院附属第九人民医院·口腔医学院口腔修复科,上海市I=1腔医学重点实验室,上海200011;2.上海市口腔病防治院·上海市I:1腔医院I:1腔修复科,上海200001)【摘要】目的:比较4种表面处理方法对氧化锆陶瓷与牙釉质黏结强度的影响,为临床应
2、用提供参考。方法:将切割烧结后的Lava氧化锆瓷块(2.7mmx2.7mmx5mm)40件分为4组,分别经喷砂、喷砂/硅烷偶联剂、喷砂/CoJetSand/:硅烷偶联剂、无处理4种表面处理后,用Re1yXUnicem与牙釉质黏结,测试剪切黏结强度,采用SPSS20.0软件包对数据进行统计学分析,利用扫描电镜观察断面模式。结果:喷砂/CoJetSand/硅烷偶联剂组的剪切强度显著高于其他各组(P3、烷偶联剂联合处理。能够有效提高氧化锆的黏结强度和耐久性。【关键词】氧化锆;剪切强度;CoJet;硅烷偶联剂【中图分类号】R783-3【文献标志码】AAn/ncomparisonoftheinfluenceofdiferentsurfacetreatmentonshearbondstrengthbetweenzirconiaandenamelCHENGHong,QIAOGuang-yan,DONGCong2,ZHANGFu-qiang..DepartmentofProsthodontics,NinthPeople’Hospital,Colleg4、eofStomatology,Shanghai∞UniversitySchoolofMedicine,ShanghaiKeyLaboratoryofStomatology.Shanghai20001h2.DepartmentofProsthodontics,ShanghaiStomatologicalDiseaseCenter.Shanghai200001,China)[Abstract]PURPOSE:Tocomparetheshearbondstrengthofzirconiatoenamelusingdiferentsurfacetre5、atments,inordertoprovideevidenceforclinicalpractice.METHODS:FortycutandfullysinteredLavaframezirconiablocksf2.7mmx2.7mmx5mm)wererandomlydividedinto4groupsandsubjectedto4diferentsurfacetreatments:notreatmentIicontro1),.airborne—particleabrasion;airbome—particleabrasionandsil6、ane;airborne-particleabrasionandCoJetsand【'sihcacoatingwith30msilica-modifiedaluminaparticles)andsilane.Aftersurfacetreatment,,thezireoniablockswerebondedtoacid-etchedenamelwithself-adhesiveresincement(iRelyXUnicem).Halfofthespecimensineachgroupwerestoredin37℃distilledwater7、for24handtheotherswerethermocycled(5℃and55℃)for5000cycles.Allspecimensweresubjectedtoshearbondstrength('SBS)test.ThedatawasanalyzedwithSPSS20.0softwarepackagefortwo—wayANOVAandttest.FailuremodewasobservedandanalyzedbyscanningelectronmicroscopeI(SEM).RESULTS:Airborne-particl8、eabrasionandCoJetSandandsilanegroupresultedinasignificantlyhigherSBSthanthoseinoth
3、烷偶联剂联合处理。能够有效提高氧化锆的黏结强度和耐久性。【关键词】氧化锆;剪切强度;CoJet;硅烷偶联剂【中图分类号】R783-3【文献标志码】AAn/ncomparisonoftheinfluenceofdiferentsurfacetreatmentonshearbondstrengthbetweenzirconiaandenamelCHENGHong,QIAOGuang-yan,DONGCong2,ZHANGFu-qiang..DepartmentofProsthodontics,NinthPeople’Hospital,Colleg
4、eofStomatology,Shanghai∞UniversitySchoolofMedicine,ShanghaiKeyLaboratoryofStomatology.Shanghai20001h2.DepartmentofProsthodontics,ShanghaiStomatologicalDiseaseCenter.Shanghai200001,China)[Abstract]PURPOSE:Tocomparetheshearbondstrengthofzirconiatoenamelusingdiferentsurfacetre
5、atments,inordertoprovideevidenceforclinicalpractice.METHODS:FortycutandfullysinteredLavaframezirconiablocksf2.7mmx2.7mmx5mm)wererandomlydividedinto4groupsandsubjectedto4diferentsurfacetreatments:notreatmentIicontro1),.airborne—particleabrasion;airbome—particleabrasionandsil
6、ane;airborne-particleabrasionandCoJetsand【'sihcacoatingwith30msilica-modifiedaluminaparticles)andsilane.Aftersurfacetreatment,,thezireoniablockswerebondedtoacid-etchedenamelwithself-adhesiveresincement(iRelyXUnicem).Halfofthespecimensineachgroupwerestoredin37℃distilledwater
7、for24handtheotherswerethermocycled(5℃and55℃)for5000cycles.Allspecimensweresubjectedtoshearbondstrength('SBS)test.ThedatawasanalyzedwithSPSS20.0softwarepackagefortwo—wayANOVAandttest.FailuremodewasobservedandanalyzedbyscanningelectronmicroscopeI(SEM).RESULTS:Airborne-particl
8、eabrasionandCoJetSandandsilanegroupresultedinasignificantlyhigherSBSthanthoseinoth
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