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metadata.dc.type: Article
Title: Intra-radicular dentin treatments and retention of fiber posts with selfadhesive resin cements
Authors: Faria e Silva, André Luis
Menezes, Murilo de Sousa
Silva, Fernanda Pereira
Reis, Giselle Rodrigues dos
Moraes, Rafael Ratto de
Abstract: The aim of this study was to evaluate the effect of treating intraradicular dentin with irrigating solutions on the retention of glassfiberposts luted with self-adhesive esin cement. Bovine incisors were endodontically treated, and 9-mm-deep postholes were prepared. Before inserting the cement, the root canals were irrigated with various solutions: 11.5% polyacrylic acid for 30 s, 17% EDTA for 60 s, or 5% NaOCl for 60 s, espectively. Irrigation with distilled water was used in the control group. After all specimens had been rinsed with distilled water, the excess moisture was removed and the posts were luted using either BisCem (Bisco) or RelyX Unicem clicker (3M ESPE). Seven days after luting, the specimens were sectioned transversally into 1-mm-thick slices, which were submitted to push-out testing on a mechanical testing machine. Bond strength data (n = 6 per group) were analyzed by twoway ANOVA and Student-Newman-Keuls’ test (α = 0.05). For Unicem, EDTA showed lower bond strength than the other solutions, which had similar results. For BisCem, EDTA showed higher bond strength than the other treatments, while application of NaOCl yielded higher bond strength than polyacrylic acid whereas the control group had intermediate results. In conclusion, irrigating root canals before insertion of selfadhesive resin cements, especially EDTA, might interfere with retention of the fiber posts.
Keywords: Dental Bonding
Post and Core Technique
Resin Cement
Smear Layer
Publisher: Sociedade Brasileira de Pesquisa Odontológica
Citation: FARIA-E-SILV AL ; MENEZES MS ; SILVA FP ; REIS GR ; MORAES RR . Intra-radicular dentin treatments and retention of fiber posts with self-adhesive resin cements. Brazilian Oral Research (Impresso), v. 27, p. 14-19, 2013
Issue Date: 2003
Appears in Collections:Departamento de Odontologia Restauradora: Artigos de periódicos

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