Bond Strength Comparisons of Six Cements to Premise Indirect Composite (original) (raw)

Abstract

Objectives: To compare the shear bond strength of various self-etch and dual cure resin cements to Premise facial and primary-dentin indirect composite. Methods: Sixty discs of Premise indirect composite (SDS/Kerr), d=5 mm, were fabricated and mounted in acrylic; thirty facial dentin composite and thirty primary dentin composite. The discs were polished using 320 grit paper, followed by Rocatec micro-abrasion and silane application. Cement cylinders, d=2.5, were bonded to an equal number of primary dentin and facial dentin composite discs according to the manufacturer’s instructions. The cements were Maxcem Elite (Kerr), Rely X Unicem Applicaps (3M ESPE), Clearfil Esthetic Cement with DC bond (Kuraray America), Rely X ARC with Single Bond (3M ESPE), Panavia F 2.0 (Kuraray America), and Nexus 3 (Kerr). Immediately after bonding, the specimens were immersed in water at 37°C for 24 hours. They were debonded using an Instron universal testing machine and shear bond strengths were calcul...

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