PMID: 22333311Feb 16, 2012Paper

Study on the resin-ceramic adhesive bond strength using silane coupling agent treated by hydrolysis catalysts

Zhonghua kou qiang yi xue za zhi = Zhonghua kouqiang yixue zazhi = Chinese journal of stomatology
Rui LiYing-chun Sun

Abstract

To study the effect of two kinds of silane coupling agent on bond strength of resin-ceramic adhesive. Four hundred and thirty-two ceramic samples were divided into 9 groups (48 per group), and in each group the ceramic surface was treated with r-methacryloxypropyletrimethoxysilane (MPTS) (50 g/L) in 99% ethanol (Primer A) and the mixture of hydrochloric acid (0.10 mol/L), phosphoric acid (0.05 mol/L) and acetic acid (0.01 mol/L) in 99% ethanol with the same volume (Primer B). Then the treated ceramic was bonded with resin cement (Link Max). The shear bond strength was tested after 5000 and 10 000 thermo-cycles and standing for 24 h. The highest shear bond strengths [(19.5 ± 3.7) MPa, (15.7 ± 3.0) MPa and (14.6 ± 3.0) MPa] of the specimens were obtained with 0.05 mol/L hydrochloric acid. At acid solution of 0.10 mol/L, the specimens using hydrochloric acid [(10.6 ± 3.5) MPa] and phosphoric acid [(9.5 ± 2.7) MPa] showed remarkably higher strength than that using acetic acid [(6.3 ± 2.5) MPa, P < 0.05] after 10 000 thermo-cycles. When the concentration of acid solution was 0.05 mol/L, the shear bond strength of specimens from hydrochloric acid [(14.6 ± 3.0) MPa] was significantly higher than that using phosphoric acid [(6.3 ± 1.9)...Continue Reading

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