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Type: Artigo de periódico
Title: Dual-Cured Etch-and-Rinse Adhesive Systems Increase the Bond Durability of Direct Corona! Dentin Restorations
Author: Borges, BCD
Vilela, ARRC
da Silva, CA
Souza, EJ
Sinhoreti, MAC
Pinheiro, FH
Braz, R
Montes, MAJR
Abstract: This study aimed to evaluate the bond durability of dentin restorations bonded with lightor dual-cured etch-and-rinse adhesive systems. A three-step adhesive system (Scotchbond Multipurpose Plus), an acetone-based two-step adhesive system (Prime & Bond 2.1), and an ethanol-based two-step adhesive system (Excite) were tested. Both the light- and the dualcured versions were evaluated. High C-factor dentin cavities were prepared on 120 bovine incisors, which were then restored with resin composite (n=10). The samples were stored in water for 24 hours, and half of them were subjected to additional degradation with 10% NaOCl for five hours. The push-out bond strength test was performed in a universal testing machine until failure. Failure modes were evaluated by scanning electron microscopy. Data were analyzed by three-way analysis of variance and Tukey tests (p<0.05). The dual-cured adhesive system presented a higher immediate bond strength and durability than those that were light cured. The three-step adhesive system produced the highest values, whereas the acetone-based adhesive system produced the lowest result. Therefore, the use of dual-cured etch-and-rinse adhesive systems can induce increased bond durability to direct coronol dentin restorations.
Country: Índia
Editor: Operative Dentistry Inc
Citation: Operative Dentistry. Operative Dentistry Inc, v. 38, n. 5, n. 512, n. 518, 2013.
Rights: fechado
Identifier DOI: 10.2341/12-246-L
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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