照射器の光強度がシングルステップシステムの象牙質接着性に及ぼす影響について

  • 坪田 圭司
    日本大学歯学部保存学教室修復学講座
  • 山本 明
    日本大学歯学部保存学教室修復学講座
  • 植草 智史
    日本大学歯学部保存学教室修復学講座
  • 陸田 明智
    日本大学歯学部保存学教室修復学講座 日本大学歯学部総合歯学研究所生体工学研究部門
  • 日野浦 光
    日野浦歯科医院
  • 岩内 伸雄
    オオタビル歯科クリニック
  • 安藤 進
    日本大学歯学部保存学教室修復学講座 日本大学歯学部総合歯学研究所生体工学研究部門
  • 宮崎 真至
    日本大学歯学部保存学教室修復学講座 日本大学歯学部総合歯学研究所生体工学研究部門

書誌事項

タイトル別名
  • Influence of light intensity on dentin bond strengths of single-step self-etch systems

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The purpose of this study was to evaluate the influence of light intensity on dentin bond strengths of single-step self-etch adhesive systems; AQ Bond Plus (AQ), Fluoro Bond Shake One (FB) and One-Up Bond F Plus (OF). Twostep adhesive systems, Mac-Bond II (MB) and Single Bond (SB), were used as controls. Bovine incisors were mounted in self-curing acrylic resins and facial surfaces were wet ground to expose flat dentin. Dentin surface was treated with each adhesive system and the adhesives were irradiated with light intensity of 100, 300, 600 or 900 mW/cm2. Shear bond strength was measured after storage in water for 24 h at a cross-head speed of 1.0 mm/min. Resin-dentin interfaces were observed with SEM. Dentin bond strengths ranged from 11.3 to 13.2 MPa for AQ, from 15.9 to 17.1 MPa for FB, from 11.2 to 13.7 MPa for OF, from 13.0 to 16.4 MPa for MB and from 11.5 to 15.8 MPa for SB. The dentin bond strength of single-step self-etch adhesive systems was not affected by the difference of light intensity. Significant lower bond strengths were obtained for two-step systems when irradiated with the light intensity of 100 mW/cm2. Results of this study indicated that the single-step self-etch systems were not influenced by the difference of light intensity.

収録刊行物

  • 接着歯学

    接着歯学 24 (1), 33-38, 2006

    日本接着歯学会

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