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Effect of surface treatment and storage on the bond strength of different ceramic systems
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Keywords

Ceramics
Cementation
Surface treatment
Micro shear
Bond strength

How to Cite

1.
Menezes FCH de, Borges GA, Valentino TA, Oliveira MAH de M, Turssi CP, Correr-Sobrinho L. Effect of surface treatment and storage on the bond strength of different ceramic systems. Braz. J. Oral Sci. [Internet]. 2015 Dec. 4 [cited 2024 Mar. 3];8(3):119-23. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8642125

Abstract

Aim: The aim of this study was to evaluate the micro shear bond strength of different ceramic systems - IPS Empress 2, Cergogold, In-Ceram Alumina and Cercon - and a dual luting agent. Methods: Twelve specimens of each ceramic were fabricated and divided according different surface treatments: Group 1: No additional treatment was applied to the ceramic surface; Group 2: Ceramics were etched with 9.5% hydrofluoric acid; Group 3: specimens treated with airborne particle abrasion for each ceramic system in accordance with manufacturer’s instructions (n=20). The tests were performed after 24 h or after water storage for 6 months. Data were then assessed statistically using the 3-way ANOVA and the Tukey’s test (P<0.05). Results: For Cergogold and IPS Empress 2 systems, the treatments performed with airborne particle abrasion and hydrofluoric acid showed no significant differences from each other, and both were superior to the groups without treatment. For Cercon and In-Ceram ceramics, no differences were found among the groups (P<0.05). When the surface was treated with hydrofluoric acid, the highest bond strength was found to IPS Empress 2 in the 6-month storage period (P<0.05). Conclusion: Lower bond strength values were only observed with IPS Empress 2 ceramic for the control group in the 6-month storage (P<0.05).
https://doi.org/10.20396/bjos.v8i3.8642125
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