新規ワンボトルセルフアドヒーシブの接着強さに及ぼすスミヤー層の影響

DOI 被引用文献3件 参考文献23件

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  • Effect of smear layer on bond strength of new one-bottle self-adhesive systems

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Recently, manufacturers have launched a novel resin adhesive called one-bottle self-adhesive, which combines three fundamental functions for tooth adhesion: etching, priming and bonding. We speculated that the bond strength could be influenced by the difference of smear layer generated on the dentin surface. Non-carious extracted human molars were prepared using a diamond saw to expose the dentin surface. Dentin surfaces were prepared with 600-grit SiC paper, or a diamond paste to create a smear-free layer. According to each manufacturer's instructions, two newly developed one-bottle self-adhesives (Absolute 2: Dentsply Sankin and Bond Force: Tokuyama Dental) and a one-step adhesive (One-Up Bond F Plus: Tokuyama Dental, control) were applied to the prepared dentin surface followed by resin composite building. Specimens were then stored in distilled water at 37°C. After 24 hours the micro-tensile bond test was performed using a universal testing machine (Type 4443, Instron) with the bonded area of 1.0×1.5 mm at the cross-head speed of 1.0mm/min. There was no significant difference in the bond strength of two different dentin surfaces in each product. We conclude that the bond strength of two products categorized as one-bottle self-adhesives was not influenced by the difference of smear layer generated at the dentin surface.

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  • 接着歯学

    接着歯学 25 (3), 229-238, 2007

    日本接着歯学会

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