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Open AccessArticle10.58837/chula.cudj.27.3.3

Comparison of shear bond strength between two types of alloy and self-curing acrylic resin after different metal surface treatments

Orapin Kaewplung-2004-09-01-Chulalongkorn University Dental Journal
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Objectives The purposes of this study were to compare the shear bond strength of two types of alloy to self-curing acrylic resin using different metal surface treatments and to use the results to apply for removable partial denture framework repairing. Materials and methods (11 mm in diameter, 2.5 mm in thickness) were cast of Co-Cr alloy and Ti-6Al-7Nb alloy. Each was divided into 7 groups, 10 samples per group: no surface treatments [C], acid-etching [E], sandblasting [S], acid-etching + sandblasting [ES], acid-etching + sandblasting + alloy primer [ESA], sandblasting + alloy primer [SA], sandblasting + alloy primer + Panavia F ® [SAP]. Then attached the specimens to self-curing acrylic resin which was fabricated in cylindrical shape (0.5 mm in diameter, 3 mm in thickness), left the acrylic resin until its complete setting for 30 minutes. All specimens were immersed in 37°C water for 24 hours. Shear bond strength values were determined at a crosshead speed of 10 mm/min. Data were sta

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Objectives The purposes of this study were to compare the shear bond strength of two types of alloy to self-curing acrylic resin using different metal surface treatments and to use the results to apply for removable partial denture framework repairing. Materials and methods (11 mm in diameter, 2.5 mm in thickness) were cast of Co-Cr alloy and Ti-6Al-7Nb alloy. Each was divided into 7 groups, 10 samples per group: no surface treatments [C], acid-etching [E], sandblasting [S], acid-etching + sandblasting [ES], acid-etching + sandblasting + alloy primer [ESA], sandblasting + alloy primer [SA], sandblasting + alloy primer + Panavia F ® [SAP]. Then attached the specimens to self-curing acrylic resin which was fabricated in cylindrical shape (0.5 mm in diameter, 3 mm in thickness), left the acrylic resin until its complete setting for 30 minutes. All specimens were immersed in 37°C water for 24 hours. Shear bond strength values were determined at a crosshead speed of 10 mm/min. Data were sta

Keywords

Materials scienceAcrylic resinAlloyComposite materialBond strengthCuring (chemistry)Universal testing machineUltimate tensile strength

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