Influence of root canal moisture conditions on the bond strength of endodontic sealers to dentin

Authors

DOI:

https://doi.org/10.33448/rsd-v11i11.33714

Keywords:

Root canal filling materials; Bond strength; Dental stress analysis.

Abstract

Objective: To investigate the influence of intraradicular moisture conditions on the bond strength of 3 different endodontic cements in the coronal, middle, and apical thirds of the root canal. Materials and Methods: 90 single-rooted teeth were instrumented with a reciprocal R#50 file and randomly divided into 3 experimental groups: Dry group: dry canals with absorbent paper tips; Moist group: suction syringe and capillary tip coupled to a vacuum pump; Wet group: aspiration with endodontic suction. The groups were divided according to the endodontic sealer used: AH plus (Denstply), Hiflow (Brasseler) and Bio-c Sealer (Angelus). Obturation was performed using Tagger's hybrid technique with a single cone. The teeth were subjected to the "push-out" test to evaluate the bond strength of the cements. Results: Data were analyzed using the Kolgomorov-Smirnoff normal distribution test and the Mann Whitney U test to compare means within and between groups. The standard error established was 5% at a significance level of 95%. AH plus showed better results regardless of canal moisture conditions. Hiflow showed better bond strength in the dry group compared to the moist group (p=0.023) in the cervical area. Bio-C Sealer showed no statistically significant differences (p > 0.05). Conclusion: Moisture conditions affected the bond strength values of endodontic cements. The prevalence of failure moduli was mixed in all root thirds, regardless of the cement used.

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Published

23/08/2022

How to Cite

CABRAL, M. A.; LIMOEIRO, A. G. da S. .; DE MARTIN, A. S.; FONTANA, C. E.; PELEGRINE, R. A.; BUENO, C. E. da S.; ROCHA, D. G. P. Influence of root canal moisture conditions on the bond strength of endodontic sealers to dentin. Research, Society and Development, [S. l.], v. 11, n. 11, p. e285111133714, 2022. DOI: 10.33448/rsd-v11i11.33714. Disponível em: https://www.rsdjournal.org/index.php/rsd/article/view/33714. Acesso em: 25 apr. 2024.

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Section

Health Sciences