Effect of bleaching agents on enamel surface of bovine teeth: a sem study

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dc.creatorAna Cristina Pimenta Dutra
dc.creatorRodrigo de Castro Albuquerque
dc.creatorLuis Fernando Dos Santos Alves Morgan
dc.creatorGeraldo Magela Pereira
dc.creatorEduardo Nunes
dc.creatorMartinho Campolina Rebello Horta
dc.creatorFrank Ferreira Silveira
dc.date.accessioned2023-01-31T13:03:19Z
dc.date.accessioned2025-09-08T23:57:48Z
dc.date.available2023-01-31T13:03:19Z
dc.date.issued2017
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.format.mimetypepdf
dc.identifier.doihttp://dx.doi.org/10.4317/jced.53011
dc.identifier.issn19895488
dc.identifier.urihttps://hdl.handle.net/1843/49263
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofJournal of Clinical and Experimental Dentistry
dc.rightsAcesso Aberto
dc.subjectDental enamel
dc.subjectTooth bleaching
dc.subjectCarbamide peroxide
dc.subjectHydrogen peroxide
dc.titleEffect of bleaching agents on enamel surface of bovine teeth: a sem study
dc.typeArtigo de periódico
local.citation.epagee50
local.citation.issue1
local.citation.spagee46
local.citation.volume9
local.description.resumoBackground: This study aimed to evaluate changes in the enamel surface of bovine teeth after whitening with exo genous bleaching agents: 10% carbamide peroxide (group 1), 16% carbamide peroxide (group 2) and 35% hydro gen peroxide activated by a light-emitting diode (LED) (group 3). The evaluations were performed by scanning electron microscopy (SEM). Material and Methods: Ninety bovine teeth were divided into five groups (n = 18). The bleaching agents 10% and 16% carbamide peroxide were applied for eight hours a day for 14 consecutive days. The third agent, LED-activa ted 35% hydrogen peroxide, was used four times at seven-day intervals. Each of the four time points consisted of three applications of 10 minutes each. A 37% phosphoric acid solution and artificial saliva were used as positive and negative controls, respectively. Results: The evaluations by SEM showed changes in the enamel surfaces of the specimens. Based on the Mann Whitney statistical test, the data showed significant differences (p<0.05) between groups 1 and 2 and between groups 2 and 3. However, no significant difference (p>0.05) was observed between groups 1 and 3. Conclusions: Based on these results, it can be concluded that bleaching agents can cause changes in the structure of tooth enamel and that these changes are related to the concentration and the duration of contact with the tooth surface
local.publisher.countryBrasil
local.publisher.departmentFAO - DEPARTAMENTO DE ODONTOLOGIA RESTAURADORA
local.publisher.initialsUFMG
local.url.externahttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5268116/

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