Physicochemical evaluation of hydrogen peroxide bleaching gels containing titanium dioxide catalytic agent, and their influence on dental color change associated with violet LED

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorFaculdade São Leopoldo Mandic-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Estadual de Campinas (UNICAMP)-
Autor(es): dc.creatorCarlos, Natália Russo-
Autor(es): dc.creatorBasting, Rosanna Tarkany-
Autor(es): dc.creatorAmaral, Flávia Lucisano Botelho do-
Autor(es): dc.creatorFrança, Fabiana Mantovani Gomes-
Autor(es): dc.creatorTurssi, Cecilia Pedroso-
Autor(es): dc.creatorKantovitz, Kamila Rosamilia-
Autor(es): dc.creatorBronze-Uhle, Erika Soares-
Autor(es): dc.creatorLisboa Filho, Paulo Noronha-
Autor(es): dc.creatorCavalli, Vanessa-
Autor(es): dc.creatorBasting, Roberta Tarkany-
Data de aceite: dc.date.accessioned2025-08-21T18:37:57Z-
Data de disponibilização: dc.date.available2025-08-21T18:37:57Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-03-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.pdpdt.2022.103254-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/246605-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/246605-
Descrição: dc.descriptionBackground: The purpose of this study was: 1) to analyze the physical-chemical properties of hydrogen peroxide (HP) agents at 7.5% (HP7) and 35% (HP35), and the association with or without TiO2 nanotubes; 2) to evaluate dental bleaching effectiveness by using HP7 and HP35 together with or without TiO2 nanotubes, and applied with or without violet LED (VL). Methodology: 80 bovine incisors were treated according to groups (n = 10): HP35; HP35 + VL; HP35T (HP35 + TiO2); HP35T + VL; HP7; HP7 + VL; HP7T (HP7 + TiO2); HP7T + VL. Bleaching effectiveness was measured at 4 time points according to the Vita Classical, CIEL*a*b*, CIEDE2000, and WID parameters. HP35, HP35T, HP7, and HP7T were evaluated for mass change, pH, mean particle size (P), polydispersity (PDI), and zeta potential (ZP), over 6 months of storage. Results: The pH of HP35 thickener was higher when associated to TiO2. At baseline, both of the bleaching gels containing TiO2 had lower P, PDI, and PZ (p < 0.05). All groups showed a significant decrease in Vita Classical color scores (p = 0.0037). There was a higher L* value, and lower b* values for HP7 when associated to VL after the 3rd session. (p < 0.05). HP35T showed higher color change (ΔEab, ΔE00), and lower a* value in the presence of VL (p < 0.05). ΔWID presented lower values for both gels, when TiO2 was incorporated (p ≤ 0.05). Conclusion: The incorporation of TiO2 to the bleaching gel showed good stability with minimal variations in physical-chemical properties. The color change in HP35 was more effective than in HP7, but the VL boosted the bleaching effectiveness of HP7, whereas TiO2 did not increase bleaching effectiveness.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionFaculdade São Leopoldo Mandic, Rua José Rocha Junqueira 13, Bairro Swift, Campinas-
Descrição: dc.descriptionSão Paulo State University (UNESP) School of Sciences, Av. Eng. Luís Edmundo Carrijo Coube, 2085, Nucleo Res. Pres. Geisel, Bauru-
Descrição: dc.descriptionPiracicaba Dental School University of Campinas, 901 Limeira Avenue, Areião-
Descrição: dc.descriptionSão Paulo State University (UNESP) School of Sciences, Av. Eng. Luís Edmundo Carrijo Coube, 2085, Nucleo Res. Pres. Geisel, Bauru-
Descrição: dc.descriptionCNPq: 308736/2021–4-
Idioma: dc.languageen-
Relação: dc.relationPhotodiagnosis and Photodynamic Therapy-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectBleaching-
Palavras-chave: dc.subjectHydrogen peroxide-
Palavras-chave: dc.subjectTitanium dioxide-
Palavras-chave: dc.subjectViolet LED-
Título: dc.titlePhysicochemical evaluation of hydrogen peroxide bleaching gels containing titanium dioxide catalytic agent, and their influence on dental color change associated with violet LED-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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