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Type: Artigo de periódico
Title: Influence Of Chemical And Natural Cross-linkers On Dentin Bond Strength Of Self-etching Adhesives
Author: Pinto
Cristiane Franco; Berger
Sandrine Bittencourt; Cavalli
Vanessa; Bedran-Russo
Ana Karina; Giannini
Abstract: Objectives. The objective of this study was to evaluate the effect of chemical collagen cross-linkers on the bond strength of three self-etching adhesives to dentin. Materials and methods. Exposed dentin from the buccal surface of 45 incisors bovine was used to analyze the effect of chemical cross-linkers. The control groups were tested with self-etching adhesives (Clearfil SE Bond, Clearfil SE Protect and One-up Bond F Plus) according to the manufacturer instructions. Two cross-linkers agents were tested: 5% glutaraldehyde and 6.5% proanthocyanidin-rich grape seed extract (both for 10 mm). After surface treatments with the agents, the surfaces were washed with distilled water, followed by the bonding/build-up procedures. Restored teeth were prepared for microtensile bond strength test and specimens tested in a universal testing machine (0.5 mm/min) after 24 h storage. Fracture sites of the bonded interface qualitatively evaluated. Results. According to two-way ANOVA and Tukey test (p < 0.05) glutaraldehyde pretreatment did not affect the microtensile bond strength of any of two self-etching systems (p > 0.05). However, when the grape seed extract was used with Clearfil SE Bond, the dentin bond strength values increased (p < 0.05), but decrease for the One-up Bond F Plus treated-group (p < 0.05). For the Clearfil SE Protect there was no difference between treatments (p > 0.05). Conclusions. The effect of the application of grape seed extract cross-linker was product-dependent and glutaraldehyde did not affect the bond strength to dentin. (C) 2015 Elsevier Ltd. All rights reserved.
Subject: Mechanical-properties
Step Adhesives
Linking Agents
Country: OXFORD
Citation: Influence Of Chemical And Natural Cross-linkers On Dentin Bond Strength Of Self-etching Adhesives. Elsevier Sci Ltd, v. 60, p. 117-122 JUL-2015.
Rights: embargo
Identifier DOI: 10.1016/j.ijadhadh.2015.04.008
Date Issue: 2015
Appears in Collections:Unicamp - Artigos e Outros Documentos

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