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Lookup NU author(s): Dr Sharanbir Sidhu
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Objectives: To evaluate the effect of double-application of all-in-one adhesives using the micro-shear bond test. Methods: The occlusal surfaces of extracted human third molars were ground perpendicular to the long axis of each tooth to expose a flat dentin surface. Three commercially available and one experimental bonding system were used in this study: Adper Prompt L-Pop (APL, 3M ESPE), REACTMER BOND (RB, Shofu), XENO III (Xeno, Dentsply-Sankin) and newly developed OBF-2 (OB2, Tokuyama Dental). These adhesives were applied on the dentin surfaces by either the manufacturers' instructions or by an experimental method (single-application or double-application). Resin composite was then placed and light-cured for 40 s. After 24 h immersion in water, a micro-shear bond test was carried out and the fractured dentin surfaces were observed microscopically. The data were analyzed by one-way ANOVA and Tukey's HSD tests (p<0.05). Results: The mean bond strengths of APL, RB, Xeno and OB2 with single-application were 22.7, 28.3, 30.3 and 34.6 MPa, respectively. The mean bond strengths of APL, RB, Xeno and OB2 with double-application were 29.5, 27.2, 29.6 and 32.5 MPa, respectively. There were no statistically significant differences in micro-shear bond strengths between the single- and double-application methods for each adhesive system (p>0.05). The morphological observation of the fractured dentin surfaces revealed differences between the single- and double-application groups especially for APL and OB2. Conclusions: Micro-shear bond strengths of all-in-one adhesives in this study showed no statistically significant differences between the single-application and the double-application method. © 2005 Elsevier Ltd. All rights reserved.
Author(s): Nakaoki Y, Sasakawa W, Horiuchi S, Nagano F, Ikeda T, Tanaka T, Inoue S, Uno S, Sano H, Sidhu SK
Publication type: Article
Publication status: Published
Journal: Journal of Dentistry
Year: 2005
Volume: 33
Issue: 9
Pages: 765-772
Print publication date: 01/10/2005
ISSN (print): 0300-5712
ISSN (electronic): 1879-176X
Publisher: Elsevier
URL: http://dx.doi.org/10.1016/j.jdent.2005.02.007
DOI: 10.1016/j.jdent.2005.02.007
PubMed id: 16199285
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