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Title: Shear bond strength between autopolymerizing acrylic resin and Co-Cr alloy using different primers
Authors: Sasiwimol Sanohkan
Somchai Urapepon
Choltacha Harnirattisai
Chakrit Sirisinha
Panya Sunintaboon
Mahidol University
Keywords: Dentistry;Materials Science
Issue Date: 30-Oct-2012
Citation: Dental Materials Journal. Vol.31, No.5 (2012), 765-771
Abstract: This study aimed to examine the shear bond strength between cobalt chromium alloy and autopolymerizing acrylic resin using experimental primers containing 5, 10, and 15 wt% of 4-methacryloxyethyl trimellitic anhydride or 1, 2, and 3 wt% of 3-methacryloxypropyl-trimethoxysilane comparison to 5 commercial primers (ML primers, Alloy primer, Metal/Zirconia primer, Monobond S, and Monobond plus). Sixty alloy specimens were sandblasted and treated with each primer before bonded with an acrylic resin. The control group was not primed. The shear bond strengths were tested and statistically compared. Specimens treated with commercial primers significantly increased the shear bond strength of acrylic resin to cobalt chromium alloy (p < 0.05). The highest shear bond strength was found in the Alloy primer group. Among experimental group, using 10 wt% of 4-methacryloxyethyl trimellitic anhydride -or 2 wt% of 3-methacryloxypropyltrimethoxysilane enhanced highest shear bond strength. The experimental and commercial primers in this study all improved bonding of acrylic resin to cobalt chromium alloy.
ISSN: 18811361
Appears in Collections:Scopus 2011-2015

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