Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effect of Dentin Irrigants on Push-Out Bond Strength in Resin Cementation Protocols for Fiber Post in Endodontically Treated Teeth: An In Vitro Study

Sandra García Varela
* ,
João Carlos Ramos
ORCID logo ,
María José Ginzo Villamayor
ORCID logo ,
Pablo Castelo Baz
ORCID logo ,
Ramón Méndez Díaz
,
Marcos Aníbal Anache D`Abate
,
Tania Gancedo-Gancedo
ORCID logo ,
Manuel Ruíz Piñón
,
Soledad Mareque Bueno
,
Benjamín José Martín Biedma
ORCID logo
Version 1 : Received: 21 February 2024 / Approved: 22 February 2024 / Online: 22 February 2024 (12:25:49 CET)

A peer-reviewed article of this Preprint also exists.

García-Varela, S.; Ramos, J.C.; Ginzo-Villamayor, M.J.; Castelo-Baz, P.; Méndez-Díaz, R.; Anache-D’Abate, M.A.; Gancedo-Gancedo, T.; Ruíz-Piñón, M.; Mareque-Bueno, S.; Martín-Biedma, B.J. Effect of Dentin Irrigants on Push-Out Bond Strength in Resin Cementation Protocols for Fiber Posts in Endodontically Treated Teeth: An In Vitro Study. Materials 2024, 17, 1432. García-Varela, S.; Ramos, J.C.; Ginzo-Villamayor, M.J.; Castelo-Baz, P.; Méndez-Díaz, R.; Anache-D’Abate, M.A.; Gancedo-Gancedo, T.; Ruíz-Piñón, M.; Mareque-Bueno, S.; Martín-Biedma, B.J. Effect of Dentin Irrigants on Push-Out Bond Strength in Resin Cementation Protocols for Fiber Posts in Endodontically Treated Teeth: An In Vitro Study. Materials 2024, 17, 1432.

Abstract

A The aim of this study is to analyze the effect of different endodontic irrigants and adhesive systems on resin bond strength of fiber post cementation. 144 single-rooted, unrestored human teeth were endodontically treated and randomly divided into 12 groups according to 4 endodontic irrigants (distilled water as control; EDTA 17%; NaOCl 5%; clorhexidine 2%) and 3 different adhesive/resin cement systems (etch-and-rinse: ortofosforic acid, Parabond® A+B/Paracore®; self-etch: ParaBond® Non-Rinse Conditioner, Parabond® A+B /Paracore®; Universal: ClearfilTM Universal Bond/ ClearfilTM DC Core Plus). 48 h after post cementation ten teeth from each group were cross sectioned into 3 discs (cervical, middle and apical regions). 30 specimens of each group (n=30) were submitted to push-out test at a crosshead speed of 1 mm/min. The remaining 2 teeth of each group were sectioned in the same manner and the resin-dentin interface was evaluated using scanning electron microscopy (SEM). The results were statistically analyzed with the ANOVA and Tukey’s test (< 0,01). The adhesive protocols and post space region showed no significant effect on bond strength (> 0.01). The combination of NaOCl 5% and ClearfilTM Universal Bond reduced the adhesive strength (< 0.01). The NaOCl 5%, in relation with other irrigants, significantly decreased the push-out bond strength.

Keywords

Bond strength; push-out; fiber post; hybrid layer; dental adhesive; dentin; chlorhexidine; EDTA; Sodium hypochlorite

Subject

Medicine and Pharmacology, Dentistry and Oral Surgery

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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