メチルシクロヘキサンジオンを用いた象牙質接着用の新しい重合開始剤

書誌事項

タイトル別名
  • New Initiator System for Bonding to Dentin Using Methylcyclohexanedione

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As a part of a series of studies to examine the role of the initiator system in dentin bonding, the effectiveness of a new polymerization initiator system consisting of 2-methyl-1, 3-cyclohexanedione (MCHD) and CuCl2 in dentin bonding was investigated in terms of the effects of dentin conditioners and CuCl2 concentration formulated in MMA/PMMA resins. Curing time and tensile bond strength to bovine dentin were measured using resins composed of MMA containing 0.001-0.03wt% CuCl2 and PMMA powder containing 2wt% MCHD. The dentin surfaces were treated with six conditioners consisting of 10wt% phosphoric acid or citric acid containing 0-3wt% FeCl3 or CuCl2. The bond strengths of about 10MPa obtained under optimal conditions were comparable to those reported for tributylborane-initiated MMA resin which is one of the most effective bonding resins available. Thus, the resin using MCHD/CuCl2 system was concluded to be very effective for dentin bonding, especially when dentin was treated with acidic conditioners containing ferric or copper chloride.

収録刊行物

  • Dental Materials Journal

    Dental Materials Journal 16 (1), 31-39,110, 1997

    一般社団法人 日本歯科理工学会

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