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Volume 8 , Issue 4
July/August 1995

Pages 324-331

Tensile Bond Strength of Gold and Porcelain Inlays to Extracted Teeth Using Three Cements

Michelini/Belser/Scherrer/De Rijk

PMID: 7575974

This in vitro study compared the tensile bond strength of gold and porcelain inlays to extracted molars in stanardized cavities. Three cements were used: zinc phosphate, glass-ionomer, and resin composite cement. The inlays were cemented using zinc phosphate or glass-ionomer cement, and the porcelain inlays were luted using resin composite or glass-ionomer cement. Surface treatments included, for gold inlays, either no treatment (zinc phosphate cement) or airborne particle abraded and tinplated (glass ionomer cement) or etched and silane-treated (resin composite cement). Statistical analysis was performed using the Weibull distribution. Results whowed no significant differences between gold inlays cemented using zinc phosphate or glass-ionomer cements. The bonded porcelain inlays (resin composite cement) showed tensile bond strengths two to three times higher than those obtained for cemented gold inlays. d l o g d

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