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-26-G-CEM LinkForce, GC ETCHANT, G-Multi PRIMER, initial LiSiPress2550 Bond Strengths of Cements to a New PressableCeramicsPoster Presentation3:45 PM–5:00 PM Mar 24, 2017CC, First FloorAuthors:Authors:KenichiroHayashi (Presenter)Tokyo Medical and Dental UniversityShiho Otake, Tokyo Medical and Dental UniversitySatoshi Omori, Tokyo Medical and Dental UniversityReina Nemoto, Tokyo Medical and Dental UniversityRanaAsano, Tokyo Medical and Dental UniversityShiroRikitoku, Tokyo Medical and Dental UniversityHiroyuki Miura, Tokyo Medical and Dental UniversityHiroyuki Miura, Tokyo Medical and Dental UniversityAbstract: Objectives: The aim of this study was to evaluate the bond strengths of three lutingagents to pressablelithium disilicateglass ceramics.Methods: Three lutingagents were used for this study;1) RelyXUltimate / ScotchbondUniversal Etchant and ScotchbondUniversal Adhesive (3M ESPE)2) PanaviaV5 / K-ETCHANT Syringe and ClearfilCeramic Primer Plus (Kuraray Noritake Dental)2) PanaviaV5 / K-ETCHANT Syringe and ClearfilCeramic Primer Plus (Kuraray Noritake Dental)3) G-CEM LinkForce/ GC ETCHANT and G-Multi PRIMER (GC)The surfaces of twenty-four specimens made of a newly developed pressablelithium disilicateglass ceramics (Initial LiSiPress, GC) were ground flat with #600-grid SiCpaper. Then they were divided into three groups of eight each. Stainless steel rods were bonded to the specimens’ surfaces using one of the three cements. The tensile bond strengths were tested after 24h water storage (37°C) using universal testing machine. These specimens were fractured under the tension at a crosshead speed of 1 mm/min, and the maximum load at the fracture was recorded. Average fracture loads were compared with one-way ANOVA and DunnettT3 (p<0.05).Average fracture loads were compared with one-way ANOVA and DunnettT3 (p<0.05).Results: The results are presented in the table below. The bond strengths of PanaviaV5 and G-CemLinkForcewere significantly higher than RelyXUltimate (p<0.05).Conclusions: In this study, PanaviaV5 and G-CemLinkForcewere useful for the adhesion to a new pressableceramics.Table(s):CementPanavia V5RelyX UltimateG-CEM LinkForceTensile bond strength (MPa)17.7±4.2a10.5±1.4b15.8±2.2aDisclosure Statement:The submitter must disclose the names of the organizations with which any author have a relationship, the nature of the relationship, and the clinical or research area involved. The following is submitted: NONEI have read the IADR policy on licensing.Signed by KenichiroHayashiSigned by KenichiroHayashiReprinted with permission from the Journal of Dental Research, J Dent Res 96 (Spec Iss A):-26-abstract number 2550, https://iadr2017.zerista.com/event/member/330678, 2017

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