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CC BY-NC-ND 4.0 · European Journal of General Dentistry 2020; 9(01): 7-10
DOI: 10.4103/ejgd.ejgd_95_19
Original Article

Influence of irrigating solutions and post luting on bond strength of fiber posts after aging

Dayane Carvalho Ramos Salles de Oliveira
Department of Dental Materials, Piracicaba Dental School, State University of Campinas, Piracicaba, São Paulo, Brazil
,
Lúcia Trazzi Prieto
1   Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas, Piracicaba, São Paulo, Brazil
,
Josué Junior Araujo Pierote
1   Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas, Piracicaba, São Paulo, Brazil
,
Cíntia Tereza Pimenta de Araújo
2   Department of Dentistry, Faculty of Sciences of Health, Federal University of Jequitinhonha and Mucuri Valley, Diamantina, Minas Gerais, Brazil
,
Erick Kamiya Coppini
1   Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas, Piracicaba, São Paulo, Brazil
,
Luís Alexandre Maffei Sartini Paulillo
1   Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas, Piracicaba, São Paulo, Brazil
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Abstract

Aim: The study aimed to evaluate the influence of irrigating solutions on bond strength (BS) of fiber posts using different luting systems after aging. Methods: Bovine teeth (n = 96) were randomly (8 groups, n = 12), sectioned, endodontically treated and root canals were prepared. The 96 bovine teeth were divided into four groups according to luting systems as conventional light-cure (RelyX ARC), self-adhesive (RelyX U200 and Panavia F), dual - cure self - etch, and self - adhesive (SeT PP). Each of the four groups was further divided into two subgroups using 2% chlorhexidine (CHX) gel or 5.25% sodium hypochlorite (NaOCl) as the irrigating solution. After post cementation, the metal-ceramic crowns were positioned. After 48 h, all samples were submitted to 1,000,000 thermal cycles. After water storage, push-out test was performed. The data were analyzed using two-way ANOVA and Tukey’s test (P = 0.05). Results: CHX gel BS means were statistically higher than NaOCl means when posts were cemented with the conventional or dual-cure self-etch and self-adhesive resin cements; no significant statistical differences were observed between groups CHX gel or NaOCl treatments for the dual-cure self-adhesive resin cements. Conclusion: The irrigation solution used on endodontic treatment before luting procedures with conventional or dual-cure self-etch and self-adhesive resin cements of glass fiber posts improved long-term BS after aging.

Keywords

Chlorhexidine - dental pins - sodium hypochlorite

Financial support and sponsorship

The study was supported by grant no. 2011/11,937-8 from the São Paulo State Research Foundation (FAPESP).




Publication History

Article published online:
01 November 2021

© 2020. European Journal of General Dentistry. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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