A-24 μCTを用いたフロアブルレジンの重合収縮挙動の評価(コンポジットレジン,一般講演(口頭発表),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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The aim of this experiment was to assess an effectiveness of air bubble as a tracer. Cylindrical cavity fabricated in composite block was restored using bulk filling technique using resin composite incorporated air bubbles. Three surface treatments (adhesive agent, non-adhesive agent, combination) were treated. Images of resin composite were obtained before and after polymerization. Different shrinkage patterns were observed in three groups at the inside of composite mass, the free surface and an adhesive interface. These images indicated that adhesive condition plays a significant role on shrinkage pattern. This method has a possibility that visualize the direction and amount of shrinkage.
2012-09-25