Alpha-tocopherol: An alternative solution for the adverse effects of dental bleaching on dentin adhesion

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Federal de Minas Gerais (UFMG)-
Autor(es): dc.creatorAlbaricci, Maria Carolina da Costa-
Autor(es): dc.creatorMarcomini, Natália-
Autor(es): dc.creatorCosta, Joatan Lucas de Sousa Gomes-
Autor(es): dc.creatorBarros, Antonia Patricia Oliveira-
Autor(es): dc.creatorGalvani, Lucas David-
Autor(es): dc.creatorKuga, Milton Carlos-
Autor(es): dc.creatorDantas, Andréa Abi Rached-
Data de aceite: dc.date.accessioned2025-08-21T18:39:37Z-
Data de disponibilização: dc.date.available2025-08-21T18:39:37Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-05-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.ijadhadh.2024.103655-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/306706-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/306706-
Descrição: dc.descriptionPurpose: This study evaluated the effect of solutions of different concentrations of alpha-tocopherol on hybrid layer formation and microtensile bond strength of endodontically treated teeth bleached with 38% hydrogen peroxide. Materials and methods: Sixty bovine incisors were randomly distributed into six groups (n = 10). In the control group (CONT), no intervention was performed. In the 38HP group, only bleaching with 38% hydrogen peroxide was conducted. In the 15AT, 20AT, 25AT, and 10SA groups, bleaching with 38% hydrogen peroxide was followed by the application of alpha-tocopherol at 15%, 20%, 25%, or 10% sodium ascorbate, respectively. Subsequently, bond strength was performed using the microtensile test, and the formation of the hybrid layer was examined through scanning electron microscopy. The obtained data were subjected to Kruskal-Wallis and Dunn tests (α = 0.05). Results: For bond strength, groups CONT and 20AT displayed higher values compared to HP. There were no significant differences in the other groups compared to the control. 38HP, 10SA, 20AT and 25AT exhibited a predominance of adhesive failures, while CONT and 15AT presented more cohesive failures in dentin. In the evaluation of the hybrid layer, the CONT group showed greater formation of longer resin tags than 38HP and 15AT, which presented a predominance of few and short resin tags (p < 0.05). Conclusion: Alpha-tocopherol at 20% is capable of minimizing the deleterious effects of dental bleaching on the hybrid layer formation and bond strength to dentin.-
Descrição: dc.descriptionDepartment of Restorative Dentistry School of Dentistry São Paulo State University, Rua Humaitá, 1680-
Descrição: dc.descriptionDepartment of Restorative Dentistry School of Dentistry Federal University of Minas Gerais – UFMG, MG-
Descrição: dc.descriptionDepartment of Restorative Dentistry School of Dentistry São Paulo State University, Rua Humaitá, 1680-
Idioma: dc.languageen-
Relação: dc.relationInternational Journal of Adhesion and Adhesives-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectAlpha-tocopherol-
Palavras-chave: dc.subjectAntioxidant-
Palavras-chave: dc.subjectDental bleaching-
Palavras-chave: dc.subjectHydrogen peroxide-
Palavras-chave: dc.subjectPolymerization-
Título: dc.titleAlpha-tocopherol: An alternative solution for the adverse effects of dental bleaching on dentin adhesion-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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