TY - JOUR AU - Andrade, Carla Frehner AU - Fonseca Filho, Paulo Fernando Otoni da AU - Gabardo, Marilisa Carneiro Leão AU - Cunha, Leonardo Fernandes da AU - Baratto-Filho, Flares AU - Leonardi, Denise Piotto PY - 2019/04/23 Y2 - 2024/03/29 TI - Bond strength at the cement/dentin interface according to protocols for final irrigation of post space JF - Brazilian Journal of Oral Sciences JA - Braz. J. Oral Sci. VL - 18 IS - SE - Article DO - 10.20396/bjos.v18i0.8655275 UR - https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8655275 SP - e191376 AB - <p>Aim: The aim was to evaluate the bond strength at the cement/dentin interface in the post space, after specimens were treated with different final irrigation protocols, followed by cementation with a dual resin cement. Methods: Forty-eight extracted uniradicular human premolars were divided into four groups according to the irrigation (n = 12): control with distilled water; 2.5% sodium hypochlorite (NaOCl) + ethylenediaminetetraacetic acid (EDTA); 2.5% NaOCl + passive ultrasonic irrigation (PUI); and 2% chlorhexidine (CHX). The pull-out test was performed. The results were evaluated using ANOVA with Tukey’s paired comparisons, with a significance of 5%. Results: When all groups were compared, significant difference occurred (p = 0.006), and in the paired comparison, NaOCl + PUI and CHX differed (p = 0.005). The CHX showed significantly higher adhesive defects between cement and dentin than other groups. Conclusions: The final irrigation protocol for cleaning after preparation for post space directly influences the bond strength at the cement/dentin interface.</p> ER -