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Type: Artigo de periódico
Title: Influence of endodontic irrigants on bond strength of a self-etching adhesive
Author: Farina, AP
Cecchin, D
Barbizam, JVB
Carlini, B
Abstract: The aim of this in vitro study was to evaluate the bond strength of a self-etching adhesive system to dentine irrigated with sodium hypochlorite (NaOCl), chlorhexidine solution (CX) and ethylene diamine tetra acetic acid (EDTA) by microtensile testing. Sixty human third molars were sectioned 3 mm below the occlusal level and then randomly divided into six groups: G1(control), without irrigant solution; G2, 1% NaOCl; G3, 1% NaOCl followed by the application of 17% EDTA; G4, 2% CX; G5, 2% CX followed by the application of 17% EDTA and G6, 17% EDTA. The specimens received the self-etching adhesive system were restored with composite resin, then sectioned and trimmed to obtain four hourglass-shaped slabs from each tooth. The specimens were submitted to the microtensile test in a Universal Testing Machine at a crosshead speed of 0.5 mm min(-1) until fracture. The results were submitted to statistical analysis by ANOVA/Newman-Keuls. The means and standard deviations (MPa) were: G1, 26.88 (+/- 3.81); G2, 19.08 (+/- 3.89); G3, 18.16 (+/- 2.21); G4, 18.14 (+/- 4.32); G5, 34.30 (+/- 3.32); G6, 13.61 (+/- 1.21). It was concluded that the application of 2% CX followed by the application of 17% EDTA resulted in increasing the bond strength of the self-etching adhesive system to dentine, when compared with the results obtained for the other tested groups.
Subject: chlorhexidine
dentine-bonding agents
sodium hypochlorite
Country: EUA
Editor: Wiley-blackwell
Rights: fechado
Identifier DOI: 10.1111/j.1747-4477.2010.00249.x
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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