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Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/49263
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dc.creatorAna Cristina Pimenta Dutrapt_BR
dc.creatorRodrigo de Castro Albuquerquept_BR
dc.creatorLuis Fernando Dos Santos Alves Morganpt_BR
dc.creatorGeraldo Magela Pereirapt_BR
dc.creatorEduardo Nunespt_BR
dc.creatorMartinho Campolina Rebello Hortapt_BR
dc.creatorFrank Ferreira Silveirapt_BR
dc.date.accessioned2023-01-31T13:03:19Z-
dc.date.available2023-01-31T13:03:19Z-
dc.date.issued2017-
dc.citation.volume9pt_BR
dc.citation.issue1pt_BR
dc.citation.spagee46pt_BR
dc.citation.epagee50pt_BR
dc.identifier.doihttp://dx.doi.org/10.4317/jced.53011pt_BR
dc.identifier.issn19895488pt_BR
dc.identifier.urihttp://hdl.handle.net/1843/49263-
dc.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 surfacept_BR
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológicopt_BR
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Geraispt_BR
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superiorpt_BR
dc.format.mimetypepdfpt_BR
dc.languageengpt_BR
dc.publisherUniversidade Federal de Minas Geraispt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentFAO - DEPARTAMENTO DE ODONTOLOGIA RESTAURADORApt_BR
dc.publisher.initialsUFMGpt_BR
dc.relation.ispartofJournal of Clinical and Experimental Dentistrypt_BR
dc.rightsAcesso Abertopt_BR
dc.subject.otherDental enamelpt_BR
dc.subject.otherTooth bleachingpt_BR
dc.subject.otherCarbamide peroxidept_BR
dc.subject.otherHydrogen peroxidept_BR
dc.titleEffect of bleaching agents on enamel surface of bovine teeth: a sem studypt_BR
dc.typeArtigo de Periódicopt_BR
dc.url.externahttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5268116/pt_BR
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