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Chitosan-induced biomodification on demineralized dentin to improve the adhesive interface

OBJECTIVES: Metalloproteinase-inhibiting agents, such as chitosan, can prevent collagen degradation in demineralized dental substrates, thereby improving the adhesive interface. This study evaluated the bond strength (BS) and chemical and morphological characterization of the adhesive interface afte...

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Autores principales: Ziotti, Isabella Rodrigues, Paschoini, Vitória Leite, Corona, Silmara Aparecida Milori, Souza-Gabriel, Aline Evangelista
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Korean Academy of Conservative Dentistry 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9436653/
https://www.ncbi.nlm.nih.gov/pubmed/36090512
http://dx.doi.org/10.5395/rde.2022.47.e28
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author Ziotti, Isabella Rodrigues
Paschoini, Vitória Leite
Corona, Silmara Aparecida Milori
Souza-Gabriel, Aline Evangelista
author_facet Ziotti, Isabella Rodrigues
Paschoini, Vitória Leite
Corona, Silmara Aparecida Milori
Souza-Gabriel, Aline Evangelista
author_sort Ziotti, Isabella Rodrigues
collection PubMed
description OBJECTIVES: Metalloproteinase-inhibiting agents, such as chitosan, can prevent collagen degradation in demineralized dental substrates, thereby improving the adhesive interface. This study evaluated the bond strength (BS) and chemical and morphological characterization of the adhesive interface after applying chitosan solution to demineralized dentin. MATERIALS AND METHODS: The 80 third molars were selected. Forty teeth underwent caries induction using the pH cycling method. The teeth were divided according to the treatment: distilled water (control) and 2.5% chitosan solution. The surfaces were restored using adhesive and composite resins. Half of the specimens in each group were aged, and the other half underwent immediate analyses. The teeth were sectioned and underwent the microtensile bond strength test (µTBS), and chemical and morphological analyses using energy-dispersive spectroscopy and scanning electron microscopy, respectively. Data analysis was performed using 3-way analysis of variance. RESULTS: For µTBS, sound dentin was superior to demineralized dentin (p < 0.001), chitosan-treated specimens had higher bond strength than the untreated ones (p < 0.001), and those that underwent immediate analysis had higher values than the aged specimens (p = 0.019). No significant differences were observed in the chemical or morphological compositions. CONCLUSIONS: Chitosan treatment improved bond strength both immediately and after aging, even in demineralized dentin.
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spelling pubmed-94366532022-09-09 Chitosan-induced biomodification on demineralized dentin to improve the adhesive interface Ziotti, Isabella Rodrigues Paschoini, Vitória Leite Corona, Silmara Aparecida Milori Souza-Gabriel, Aline Evangelista Restor Dent Endod Research Article OBJECTIVES: Metalloproteinase-inhibiting agents, such as chitosan, can prevent collagen degradation in demineralized dental substrates, thereby improving the adhesive interface. This study evaluated the bond strength (BS) and chemical and morphological characterization of the adhesive interface after applying chitosan solution to demineralized dentin. MATERIALS AND METHODS: The 80 third molars were selected. Forty teeth underwent caries induction using the pH cycling method. The teeth were divided according to the treatment: distilled water (control) and 2.5% chitosan solution. The surfaces were restored using adhesive and composite resins. Half of the specimens in each group were aged, and the other half underwent immediate analyses. The teeth were sectioned and underwent the microtensile bond strength test (µTBS), and chemical and morphological analyses using energy-dispersive spectroscopy and scanning electron microscopy, respectively. Data analysis was performed using 3-way analysis of variance. RESULTS: For µTBS, sound dentin was superior to demineralized dentin (p < 0.001), chitosan-treated specimens had higher bond strength than the untreated ones (p < 0.001), and those that underwent immediate analysis had higher values than the aged specimens (p = 0.019). No significant differences were observed in the chemical or morphological compositions. CONCLUSIONS: Chitosan treatment improved bond strength both immediately and after aging, even in demineralized dentin. The Korean Academy of Conservative Dentistry 2022-06-15 /pmc/articles/PMC9436653/ /pubmed/36090512 http://dx.doi.org/10.5395/rde.2022.47.e28 Text en Copyright © 2022. The Korean Academy of Conservative Dentistry https://creativecommons.org/licenses/by-nc/4.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (https://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Article
Ziotti, Isabella Rodrigues
Paschoini, Vitória Leite
Corona, Silmara Aparecida Milori
Souza-Gabriel, Aline Evangelista
Chitosan-induced biomodification on demineralized dentin to improve the adhesive interface
title Chitosan-induced biomodification on demineralized dentin to improve the adhesive interface
title_full Chitosan-induced biomodification on demineralized dentin to improve the adhesive interface
title_fullStr Chitosan-induced biomodification on demineralized dentin to improve the adhesive interface
title_full_unstemmed Chitosan-induced biomodification on demineralized dentin to improve the adhesive interface
title_short Chitosan-induced biomodification on demineralized dentin to improve the adhesive interface
title_sort chitosan-induced biomodification on demineralized dentin to improve the adhesive interface
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9436653/
https://www.ncbi.nlm.nih.gov/pubmed/36090512
http://dx.doi.org/10.5395/rde.2022.47.e28
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