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EFFECT OF SURFACE TREATMENT METHODS ON THE SHEAR BOND STRENGTH OF RESIN CEMENT TO ZIRCONIA CERAMIC
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  • EFFECT OF SURFACE TREATMENT METHODS ON THE SHEAR BOND STRENGTH OF RESIN CEMENT TO ZIRCONIA CERAMIC
  • EFFECT OF SURFACE TREATMENT METHODS ON THE SHEAR BOND STRENGTH OF RESIN CEMENT TO ZIRCONIA CERAMIC
저자명
Lee. Ho-Jeong,Ryu. Jae-Jun,Shin. Sang-Wan,Sub. Kyu-Won
간행물명
대한치과보철학회지
권/호정보
2007년|45권 6호|pp.743-752 (10 pages)
발행정보
대한치과보철학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

Statement of problem. The aims of the study were to evaluate the effect of current surface conditioning methods on the bond strength of a resin composite luting cement bonded to ceramic surfaces and to identify the optimum cement type. Material and methods. The sixty zirconia ceramic specimens(10 per group) with EVEREST milling machine and 60 tooth block were made. The zirconia ceramic surface was divided into two groups according to surface treatment: (1) airborne abrasion with $110{mu}m$ aluminum oxide particles; (2) Rocatec system, tribochemical silica coating. The zirconia ceramic specimens were cemented to tooth block using resin cements. The tested resin cements were Rely X ARC, Panavia F and Superbond C&B. Each specimen was mount in a jig of the universal testing machine for shear strength. The results were subjected to 2-way ANOVA and Post hoc tests was performed using Tukey, Scheffe, and Bonferroni test. Results. The mean value of shear bond strength(MPa) were as follows: $$RelyXARC(+Al_2O_3),5.35{pm}1.69$$; $$RelyXARC(+Rocatec),8.50{pm}2.13$$; $$PanaviaF(+Al_2O_3),9.58{pm}1.13$$; $$PanaviaF(+Rocatec),12.98{pm}1.71$$; $$SuperbondC&B(+Al_2O_3)8.27{pm}2.04$$; $$SuperbondC&B(+Rocatec),14.46{pm}2.39$$. There was a significant increase in the shear bond strength when the ceramic surface was subjected to the tribochemical treatment(Rocatec 3M) in all cement groups(P<0.05). Bonding strengths of cements applied to samples treated with $Al_2O_3$ were compared; Rely X ARC showed the lowest values, whereas Panavia F cement showed higher value than that of Superbond C&B group with no statistical significance. When the bond strength of cements with of Rocatec treatment was compared, Rely X ARC showed lowest values. Overall, it was apparent that tribochemical treated Super-Bond possessed higher mean bond strength (14.46MPa; P<0.05) than that of Panavia F cement group with no significance. Conclusions. Silica coating followed silanization(Rocatec treatment) increase the bond strength between resin cement and zirconia ceramic. Panavia F containing phosphate monomer and Superbond C&B comprised of 4-META tend to bond chemically with zirconia ceramic, thus demonstrating higher bond strength compared to BisGMA resin cement. Superbond C&B has shown to have highest value of bonding strength to zirconia ceramic after Rocatec treatment compared to other cement.