Color change, diffusion of hydrogen peroxide and enamel morphology after in-office bleaching with violet light or non-thermal atmospheric plasma: an in vitro study

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dc.creatorMatheus Kury
dc.creatorCarolina Perches
dc.creatorDaylana Pacheco da Silva
dc.creatorCarolina Bosso André
dc.creatorCinthia Pereira Machado Tabchoury
dc.creatorMarcelo Giannini
dc.creatorVanessa Cavalli Gobbo
dc.date.accessioned2022-10-26T19:46:24Z
dc.date.accessioned2025-09-08T23:03:47Z
dc.date.available2022-10-26T19:46:24Z
dc.date.issued2019-12-16
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.description.sponsorshipFAPESP - Fundação de Amparo à Pesquisa do Estado de São Paulo
dc.format.mimetypepdf
dc.identifier.doi10.1111/jerd.12556
dc.identifier.issn17088240
dc.identifier.urihttps://hdl.handle.net/1843/46656
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofJournal of Esthetic and Restorative Dentistry
dc.rightsAcesso Restrito
dc.subjectCarbamide peroxide
dc.subjectHydrogen peroxide
dc.subjectPlasma
dc.subjectTooth bleaching
dc.subject.othercarbamide peroxide
dc.subject.otherHydrogen peroxide
dc.subject.otherLight
dc.subject.otherPlasma
dc.subject.otherTooth bleaching.
dc.titleColor change, diffusion of hydrogen peroxide and enamel morphology after in-office bleaching with violet light or non-thermal atmospheric plasma: an in vitro study
dc.typeArtigo de periódico
local.citation.epage112
local.citation.issue01
local.citation.spage102
local.citation.volume32
local.description.resumoObjective: The aim is to evaluate the effect of violet light (VL) and nonthermal atmospheric plasma (NTAP) combined with or without 35% hydrogen peroxide (HP) and 37% carbamide peroxide (CP). Methods: Bovine crowns were divided into (n = 10) VL, VL/HP, VL/CP, NTAP, NTAP/HP, NTAP/CP, HP, CP, and C (control) groups. Color and whiteness change (CIELAB-Δ Eab, CIEDE2000-Δ E00 , whiteness index-ΔWID ), color parameters (ΔL, Δa, and Δb), and intrapulpal concentration (μL/mL) of HP were assessed by spectrophotometry. Scanning electron microscopy evaluated the morphology of enamel surface. Data were analyzed by two-way analysis of variance and Tukey (Δ Eab , ΔE00 , ΔWID , ΔL, and μL/mL) and Kruskal-Wallis and Mann-Whitney tests (Δ a and Δ b, α = 5%). Results: VL increased ΔEab and ΔWID of CP (P < .05). VL and NTAP alone resulted in perceptible color and whiteness change, but lower than those in the gel-treated groups (P < .05). Activation modes increased ΔL compared with that of C, but only VL enhanced Δb when applied alone or combined with CP. VL and NTAP did not increase HP diffusion (P > .05) or cause alterations in enamel morphology. However, HP and CP promoted topographical changes. Conclusion: VL and NTAP changed color to a lesser extent than bleaching gels. VL produced supplementary effectiveness only for CP (ΔEab and ΔWID ), without increasing HP diffusion or changing enamel morphology. Clinical significance: Although violet LED light and nonthermal atmospheric plasma (NTAP) promoted in vitro perceptible bleaching without compromising enamel morphology, bleaching gels (hydrogen peroxide and carbamide peroxide) were more effective than VL or NTAP. VL or NTAP did not increase intrapulpal diffusion of peroxide
local.publisher.countryBrasil
local.publisher.departmentFAO - DEPARTAMENTO DE ODONTOLOGIA RESTAURADORA
local.publisher.initialsUFMG
local.url.externahttps://onlinelibrary.wiley.com/doi/10.1111/jerd.12556

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