Evaluation of the effect of intermediate agents on the shear bond strength of repaired aged silorane resin composite (original) (raw)

Journal of baghdad college of dentistry, 2012

Abstract

Background: The aim of this study was to evaluate the bonding effect of different intermediate agents on the bond strength of silorane resin composite (FiltekTM P90,3M ESPE) that repaired by either silorane (FiltekTM P90) or methacrylate based resin composite (FiltekTM Z250,3M ESPE) Materials and Methods: Eighty specimens of resin composite prepared by filling silorane (FiltekTM P90) into a retentive cavity (6mm in diameter and 2mm in depth) of acrylic mold. The composite were polymerized, water stored at 37°C for one week. Their surface were finished with medium (violet) super-snap disks then rinsed in ultrasonic cleaner. Repair was performed with either silorane (FiltekTM P90) or methacrylate based composite (FiltekTM Z250) by using several intermediate agents which include (P90 System Adhesive, Adper Scotchbond Multipurpose and Clearfil repair kit).The shear bond strength (crosshead speed 0.5 mm/min) was measured after an additional water storage of 24 hour. Results: Statistical ...

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