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Effect of 3-year water storage on the performance of one-step self-etch adhesives applied actively on dentine

Loguercio, Alessandro Dourado ; Stanislawczuk, Rodrigo ; Mena-Serrano, Alexandra ; Reis, Alessandra

Journal of Dentistry, August 2011, Vol.39(8), pp.578-587 [Tạp chí có phản biện]

ISSN: 0300-5712 ; DOI: 10.1016/j.jdent.2011.06.005

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  • Nhan đề:
    Effect of 3-year water storage on the performance of one-step self-etch adhesives applied actively on dentine
  • Tác giả: Loguercio, Alessandro Dourado ; Stanislawczuk, Rodrigo ; Mena-Serrano, Alexandra ; Reis, Alessandra
  • Chủ đề: Adhesives Systems ; Active Application ; Durability ; Long-Term ; Nanoleakage ; Microtensile Bond Strength
  • Là 1 phần của: Journal of Dentistry, August 2011, Vol.39(8), pp.578-587
  • Mô tả: ObjectivesTo evaluate the effect of the application method on the immediate and 3-year resin–dentine bond strength (μTBS) and nanoleakage (NL) for 3 one-step self-etch adhesives (Adper Prompt L-Pop; Clearfil S3 Bond and Xeno III). MethodsThe occlusal enamel of 42 human molars were removed to expose a flat dentine surface. The adhesives were applied under inactive or active application. After light-curing (600mW/cm2 for 10s), composite buildups were constructed incrementally and sectioned to obtain bonded sticks (0.8mm2) to be tested in tension immediately or after 3 years of water storage of water storage. For NL, 2 bonded sticks from each tooth at each time were coated with nail varnish, placed in silver nitrate and polished down with SiC paper. The μTBS data was submitted to a two-way repetead mesures ANOVA and Tukey's test for each adhesive (α=0.05). ResultsThe active application showed higher immediate and 3-year μTBS than the inactive application (p<0.05). An increase in the silver nitrate deposition was seen for all conditions after 3 years; however this was more pronounced for all materials under inactive application (p<0.05). ConclusionsThe active application improves the immediate bonding performance of the adhesive systems. Reductions of the bond strength were observed for all materials after 3 years, however reduced degradation rate was observed when the materials are applied actively in dentine.
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0300-5712 ; DOI: 10.1016/j.jdent.2011.06.005

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