Publication: Microtensile bond strength of a filled vs unfilled adhesive to dentin using self-etch and total-etch technique
Issued Date
2006-04-01
Resource Type
ISSN
03005712
Other identifier(s)
2-s2.0-33644889048
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of Dentistry. Vol.34, No.4 (2006), 283-291
Suggested Citation
Esra Can Say, Masatoshi Nakajima, Pisol Senawongse, Mübin Soyman, Füsun Özer, Miwako Ogata, Junji Tagami Microtensile bond strength of a filled vs unfilled adhesive to dentin using self-etch and total-etch technique. Journal of Dentistry. Vol.34, No.4 (2006), 283-291. doi:10.1016/j.jdent.2005.07.003 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/23212
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Title
Microtensile bond strength of a filled vs unfilled adhesive to dentin using self-etch and total-etch technique
Abstract
Objective: The purpose of this study was to evaluate the effect of a filled adhesive (One-Step Plus; Bisco) versus an unfilled adhesive (One-Step; Bisco) on the microtensile bond strength (μTBS) to dentin using total-etch (Uni-etch; Bisco) and self-etch (Tyrian SPE; Bisco) techniques. Methods: Twenty extracted human third molars were ground flat to expose occlusal dentin. After the dentin surfaces were polished with 600-grit SiC paper, the teeth were randomly assigned to four groups according to the bonding agent and technique being used. Dentin surfaces were bonded with One-Step Plus+total-etch; One-Step Plus+self-etch; One-Step+total-etch and One-Step+self-etch. Composite buildups were performed with Clearfil AP-X (Kuraray Medical). Following storage in distilled water at 37°C for 24 h, the bonded specimens were serially sectioned into 0.7 mm-thick slabs and then trimmed to hour-glass shapes with a 1 mm2cross-sectional area (n=20). Microtensile bond strengths were determined using the EZ-test (Shimadzu) at a cross-head speed of 1 mm/min. Data were analyzed using two-way ANOVA and Tukey's post hoc test. Results: There were no significant differences in the μTBS between One-Step Plus and One-Step adhesives when they were used with the total-etch and self-etch techniques (p>0.05). However with the total-etch technique both adhesives yielded significantly higher bond strength values than the self-etch technique (p<0.001). Conclusion: The filled adhesive One-Step Plus did not show any beneficial effect than the unfilled adhesive One-Step on the μTBS to dentin with total-etch and self-etch techniques. Irrespective from the adhesive type, self-etch technique revealed lower bond strengths than the total-etch technique. © 2005 Elsevier Ltd. All rights reserved.