Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Influence of Chitosan 0.2% in Various Final Cleaning Methods on the Bond Strength of Fiber Post to Intrarradicular Dentin

Naira Geovana Camilo
ORCID logo ,
Alex da Rocha Gonçalves
,
Larissa Pinzan Flauzino
,
Cristiane Martins Rodrigues Bernardes
,
Andreza Maria Fábio Aranha
,
Priscilla Cardoso Lazari-Carvalho
,
Marco Aurélio de Carvalho
,
Helder Fernandes de Oliveira
* ORCID logo
Version 1 : Received: 13 October 2023 / Approved: 13 October 2023 / Online: 16 October 2023 (10:55:26 CEST)

A peer-reviewed article of this Preprint also exists.

Camilo, N.G.; Gonçalves, A.R.; Flauzino, L.P.; Bernardes, C.M.R.; Aranha, A.M.F.; Lazari-Carvalho, P.C.; Carvalho, M.A.; Oliveira, H.F. Influence of Chitosan 0.2% in Various Final Cleaning Methods on the Bond Strength of Fiberglass Post to Intrarradicular Dentin. Polymers 2023, 15, 4409. Camilo, N.G.; Gonçalves, A.R.; Flauzino, L.P.; Bernardes, C.M.R.; Aranha, A.M.F.; Lazari-Carvalho, P.C.; Carvalho, M.A.; Oliveira, H.F. Influence of Chitosan 0.2% in Various Final Cleaning Methods on the Bond Strength of Fiberglass Post to Intrarradicular Dentin. Polymers 2023, 15, 4409.

Abstract

The purpose of this study was to analyze the influence of Chitosan 0.2% in various final cleaning methods on the bond strength of fiberglass post (FP) to intrarradicular dentin. Ninety bovine incisors were sectioned to obtain root remnants measuring 18 mm in length. The roots were divided: G1: EDTA 17%; G2: EDTA 17% + PUI; G3: EDTA 17% + EA; G4: EDTA 17% + XPF; G5: Chitosan 2%; G6: Chitosan 2% + PUI; G7: Chitosan 2% + EA; G8: Chitosan 2% +XPF. After carrying out the cleaning methods, the posts were installed, and the root cleaved to to generate two disks from each root third. Bond strength values (MPa) obtained from the micro push-out test data were assessed by Kruskal-Wallis and Dwass-Steel-Critchlow-Fligner tests for multiple comparisons (α = 5%). Differences were observed in the cervical third between G1 and G8 (p=0.038), G4 and G8 (p=0.003), G6 and G8 (p=0.049), and Control and G8 (p=0.019). The final cleaning method influenced the adhesion strength of cemented FP to intrarradicular dentin. Chitosan 0.2% + XPF positively influenced adhesion strength, with the highest values in the cervical third.

Keywords

dentin-bonding agent; chelators; fiber post; ultrasonics

Subject

Public Health and Healthcare, Other

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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