P-37 トータルエッチングシステムによる象牙質接着における白金ナノコロイドの効果(接着,一般講演(ポスター発表))

概要

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The aim of this study was to investigate the effects of colloid solution of platinum nanoparticles (CPN) on resin/dentin adhesion using total etching system. The pretreatments were performed as follows, "Control": Etching, "Etch-CPN": CPN application after etching, "Etch-NaOCl": Etching then NaOCl application, "Etch-NaOCl-CPN": CPN application after etching and NaOCl application. Resin composite was adhered by Single Bond Plus and the microtensile bond test was performed after 24h in water storage. The bond strength of "Etch-CPN" was significantly higher (73.8MPa) than "Control"(52.9MPa), "Etch-NaOCl" (33.9MPa), and "Etch-NaOCl-CPN" (57.6MPa) . According to XPS analysis, platinum stayed only on "Etch-CPN".
2010-03-25