残存象牙質の厚みがレジン接着用光硬化型グラスアイオノマーセメントの微小引張り接着強さに及ぼす影響

DOI 参考文献19件
  • 井上 哲
    BIOMAT-Department of Operative Dentistry and Dental Materials, School of Dentistry, Oral Pathology and Maxillo-facial Surgery, Catholic University of Leuven 北海道大学大学院歯学研究科口腔健康科学講座
  • Meerbeek Bart Van
    BIOMAT-Department of Operative Dentistry and Dental Materials, School of Dentistry, Oral Pathology and Maxillo-facial Surgery, Catholic University of Leuven
  • 阿部 泰彦
    BIOMAT-Department of Operative Dentistry and Dental Materials, School of Dentistry, Oral Pathology and Maxillo-facial Surgery, Catholic University of Leuven 広島大学歯学部歯科補綴学第一講座
  • 吉田 靖弘
    広島大学歯学部歯科理工学講座
  • Lambrechts Paul
    BIOMAT-Department of Operative Dentistry and Dental Materials, School of Dentistry, Oral Pathology and Maxillo-facial Surgery, Catholic University of Leuven
  • Vanherle Guido
    BIOMAT-Department of Operative Dentistry and Dental Materials, School of Dentistry, Oral Pathology and Maxillo-facial Surgery, Catholic University of Leuven
  • 佐野 英彦
    北海道大学大学院歯学研究科口腔健康科学講座

書誌事項

タイトル別名
  • Effect of Remaining Dentin Thickness on Micro-tensile Bond Strength of a Resin-modified Glass-ionomer Cement for Bonding Composite Resin.

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抄録

The purpose of this study was to investigate the effect of remaining dentin thickness (RDT) on the micro-tensile bond strength (MTBS) to dentin of a new resin-modified glass-ionomer cement for bonding composite resin. Composite resin was bonded to flat dentin surfaces from 14 extracted human teeth using Fuji BOND LC (GC) with or without a cavity conditioner, and then sectioned to thin slabs, trimmed into dumbbell shape with the area of the interface being approximately 1mm2, and subjected to micro-tensile testing at a cross-head speed of 1mm/min. MTBS to dentin significantly improved when the cavity conditioner was used and RDT increased . When the conditioner was used, failures mainly occurred adhesively at the interface between the adhesive and composite resin .When no conditioner was used, no adhesive failures between the adhesive and composite resin occurred, but failures occurred mainly adhesively between dentin and the adhesive, or mixed adhesive-cohesively. These results indicate that removal of the smear layer improves the bond strength of the glass-ionomer adhesive to dentin; Its bonding effectiveness is also affected by the area of intertubular dentin available for micro-mechanical retention through hybrid-layer formation.

収録刊行物

  • 接着歯学

    接着歯学 18 (2), 93-99, 2000

    日本接着歯学会

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