P-45 α-TCP/Te-CPセメントの根管充填用シーラーへの応用 : 酸化ビスマス粒子径による影響(セメント,一般講演(ポスター発表),第63回日本歯科理工学会学術講演会)

概要

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The aim of this study was to examine the effects of powdery size of bismuth oxide adding as radiopaque material. Bismuth oxide powder was prepared in less than 25 μm by a pulverizer and blended with α-TCP/Te-CP. The mixture was severally mixed with two kinds of solutions (disodium hydrogen phosphate, sodium chondroitin sulfate) and consistency, film thickness and setting time were evaluated. Both the mixture without powder preparation and a commercial product as control was also examined under the same condition and compared. Obtained results suggest that the mixture with fine powder makes film thickness reduce and setting time extend when mixing with both liquids.
2014-03-25