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Type: Artigo de periódico
Title: Effects of sodium hypochlorite gel and sodium hypochlorite solution on dentin bond strength
Author: Arias, VG
Bedran-De-Castro, AKB
Pimenta, LA
Abstract: The aim of this study was to determine the effect of 10% NaOCl gel and 10% NaOCl solution on dentin bond strengths of four adhesive systems. One hundred eighty bovine incisors were ground to achieve a flat polished surface, then divided into 12 groups: Gluma One Bond [G1 - control; G2 - NaOCl solution; G3 - NaOCl gel]; Prime & Bond 2.1 [G4 - control; G5 - NaOCl solution; G6 - NaOCl gel]; Single Bond [G7 - control; G8 - NaOCl solution; G9 - NaOCl gel]; Prime & Bond NT [G10 - control; G11 - NaOCl solution; G12 - NaOCl gel]. Dentin was etched, rinsed, and blot dried. For the experimental groups, after acid etching, 10% NaOCl solution or 10% NaOCl gel was applied for 60 s, rinsed, and blot dried. Composite resin was inserted and light cured. Shear bond strengths were tested with a crosshead speed of 0.5mm/min. The mean values MPa (SD) were analyzed with two-way ANOVA and Tukey's tests (alpha < 0.01). Ten percent NaOCl solution significantly increased Gluma One Bond strength. No effect was observed for the other adhesives. The 10% NaOCl gel did not affect bond strengths. Ten percent NaOCl gel was less effective on collagen removal as compared to 10% NaOCl solution. The influence of collagen removal on bond strength is dependent on adhesive system, where both the solvent and the monomer can influence the results. (C) 2004 Wiley Periodicals, Inc.
Subject: collagen removal
acetone-based adhesive system
ethanol-based adhesive system
shear bond strength
dentin bonding
Country: EUA
Editor: Wiley-liss
Citation: Journal Of Biomedical Materials Research Part B-applied Biomaterials. Wiley-liss, v. 72B, n. 2, n. 339, n. 344, 2005.
Rights: fechado
Identifier DOI: 10.1002/jbm.b.30160
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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