A-13 セルフエッチングシステムにおける吸水と機械的強度との関係(接着,一般講演(口頭発表),第54回日本歯科理工学会学術講演会)

概要

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The purpose was to evaluate the effect of water absorption on the mechanical properties of self-etch adhesives. Clearfil S^3 Bond (S^3), G Bond Plus (GP) and Clearfil Protect bond (FA) were used. Polymerized sticks of each adhesive were used to obtain the elastic modulus by three-point flexural bending test in initial, wet or dry state. Water sorption and solubility of each adhesive were measured using resin disks. When the specimens were immersed in water, the elastic moduli of all adhesives fell significantly The highest water sorption was seen in S^3>GP>FA.
2009-09-10