低粘性レジンがオールインワンアドヒーシブの象牙質微小引張り接着強さに及ぼす効果

DOI 被引用文献6件 参考文献20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
  • 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 Low-viscosity Resin on the Micro-tensile Bond Strength of an 'All-in-one' Adhesive to Dentin.

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The purpose of this study was to evaluate the bonding effectiveness of a new ‘all-in-o e’ self-etching adhesive by TEM and by micro-tensile bond strength (MTBS) testing under various conditions (no vs. separate light-curing and composite vs. compomer), and to investigate the effect of an intermediate low-viscosity resin (LVR) on the MTBS to dentin.TEM revealed that the formation of a loosely organized 2-3 μm hybrid layer with collagen fibrils separated by resin-filled interfibrillar spaces. Resin-tag formation, ‘tubule wall hybridization’, ‘lateral tubule hybridization’ and a ‘shag-carpet’ appearance were observed, resembling the interfacial ultra-structure commonly presented with total-etch adhesives.With regard to MTBS, many specimens failed during preparation, even before they could be tested. Therefore, a survival rate was determined based on the percentage of specimens that survived during sample processing. When an intermediate LVR was additionally applied, the survival rate was significantly improved, though the MTBS remained in the same range. These results indicate that the bonding effectiveness of the ‘all-in-one’ adhesive might be affected by the application of the adhesive resin in a too thin layer. The more consistent results obtained with LVR might be due to an air-barrier effect that allows the adhesive resin to polymerize, and/ or an elastic shock-absorbing effect in partial compensation of polymerization shrinkage of the composite resin.

収録刊行物

  • 接着歯学

    接着歯学 18 (2), 85-92, 2000

    日本接着歯学会

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