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

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

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dc.contributor.author Pimenta Dutra, Ana Cristina es
dc.contributor.author Albuquerque, Rodrigo de Castro es
dc.contributor.author Morgan, Luís Fernando dos Santos Alves es
dc.contributor.author Pereira, Geraldo Magela es
dc.contributor.author Nunes, Eduardo es
dc.contributor.author Horta, Martinho Campolina Rebello es
dc.contributor.author Silveira, Frank-Ferreira es
dc.date.accessioned 2017-05-10T11:18:36Z
dc.date.available 2017-05-10T11:18:36Z
dc.date.issued 2017 es
dc.identifier.citation Pimenta Dutra, Ana Cristina ; Albuquerque, Rodrigo de Castro ; Morgan, Luís Fernando dos Santos Alves ; Pereira, Geraldo Magela ; Nunes, Eduardo ; Horta, Martinho Campolina Rebello ; Silveira, Frank-Ferreira. Effect of bleaching agents on enamel surface of bovine teeth: a SEM study. En: Journal of Clinical and Experimental Dentistry. 2017. Vol. 9, no. 1: 46 es
dc.identifier.uri http://hdl.handle.net/10550/58467
dc.description.abstract This study aimed to evaluate changes in the enamel surface of bovine teeth after whitening with exogenous bleaching agents: 10% carbamide peroxide (group 1), 16% carbamide peroxide (group 2) and 35% hydrogen peroxide activated by a light-emitting diode (LED) (group 3). The evaluations were performed by scanning electron microscopy (SEM). 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-activated 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. 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. 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. en_US
dc.subject Odontología es
dc.subject Ciencias de la salud es
dc.title Effect of bleaching agents on enamel surface of bovine teeth: a SEM study es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÃ DICAS es
dc.type.hasVersion VoR es_ES

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