Dental Materials Journal
Online ISSN : 1881-1361
Print ISSN : 0287-4547
ISSN-L : 0287-4547

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Effect of sodium hypochlorite-based formulations on the adhesion interface after fiber post cementation
Joatan Lucas de Sousa Gomes COSTATatiane Miranda MANZOLIJoão Felipe BESEGATOJoissi Ferrari ZANIBONIEliane Cristina Gulin DE OLIVEIRALucas David GALVANIAndréa Abi Rached DANTASLuis Geraldo VAZMilton Carlos KUGA
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JOURNAL FREE ACCESS Advance online publication

Article ID: 2023-086


The study evaluated the persistence of residues, bond strength and tags formation of a cementation system after post-space irrigation with different sodium hypochlorite-based irrigants. The groups were divided according to the irrigation protocol (DW: distilled water; SHS: sodium hypochlorite solution; SHG: sodium hypochlorite gel; and, SHT: sodium hypochlorite with surfactant). Forty roots (n=10) were used to evaluate the persistence of residues by scanning electron microscopy. Other forty roots were used to the push-out bond strength test, failure mode and tag formation analyses. Non-parametric data were submitted to Kruskal Wallis and Dunn tests, while parametric data were evaluated by one-way ANOVA. No difference was observed in the persistence of residues. DW showed the highest bond strength and tag formation. Type 2 failure mode was the most frequent in the experimental groups. Compared to control, SHT showed the best performance, since less negative effects on adhesive interface was observed.

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