P-58 硬質レジンの接着強さに及ぼすリテンションビーズの粒子径と接着材厚さの影響(接着,一般講演(ポスター発表),第60回日本歯科理工学会学術講演会(創立30周年記念大会))

概要

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Tight adhesion between an indirect hard resin and the metal frame is one of the most important requirements for a veneered metal crown. Retention beads are used for durable adhesion imposed by mechanical retention. To a plaster mold, which was prepared for casting the metal frame, the retention beads were fixed with an adhesive. We optimized the bead size and the thickness of adhesive layer. The tensile adhesive strength between the metal frame and the resin was maximized before and after thermal cycle when the 140 μm beads were fixed by the adhesive in 2 μm thickness.
2012-09-25