P-3 メソポーラスシリカを用いたコンポジットレジンの開発(研究奨励賞応募ポスター発表,第59回日本歯科理工学会学術講演会)

概要

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Meso-porous silica powders were intended to use as a filler of dental composite. Mechanical properties of trial light-cure composites, made by changing surface treatment conditions and hybrid conditions of the filler, were measured. The composites made by using nano sized meso-porous silica as a microfiller of hybrid components, the effect of surface treatment was small, and the mechanical strength increased with the decrease of macrofiller particle size. The mechanical strength of composites containing large wormhole type meso-porous silica increased with the decrease of silane coupling agent concentration. From these result, meso-porous silica was evaluated with promising results as a filler of composite resins and strengthened the mechanical properties.
2012-03-25