A fundamental study of fissure sealant in dental application:in vitro adhesive tensile strength |
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Authors: | Irmansyah K. Wakasa M. Yamaki |
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Affiliation: | (1) School of Dentistry, Department of Dental Materials, Hiroshima University, 1-2-3 Kasumi, Minami-ku, 734 Hiroshima, Japan |
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Abstract: | In order to develop the sealing of pits and fissures in human enamel, a polymethylmethacrylate (PMMA) cylinder was bonded to a flattened one and to the labial enamel surface of young bovine teeth subjected to acid-etched treatment. An increase in adhesive tensile strength occurred for methyl- -cyanoacrylate, one of the alkyl-cyanoacrylate adhesives tested. A larger significant difference in the release of fluoride was found in each cyanoacrylate adhesive containing 11 kinds of fluoride compounds. The value of the adhesive tensile strength at the interface of the PMMA-acid-etched bovine enamel depended on the cyanoacrylate adhesive type and the conservation conditions. |
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