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KMID : 1023420100100020095
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Journal of Dental Hygiene Science
2010 Volume.10 No. 2 p.95 ~ p.100
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Effect of Fluoridated 10% Carbamide Peroxide on Enamel Surface Change and Whitening
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Lee Hye-Jin
Kim Hyun-Dae
Kim Min-Young
Kwon Tae-Yub
Kim Kho-Han
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Abstract
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The purposes of this study were to examine the effect of different fluoridated bleaching solution on the changes in physical and chemical characteristics of tooth. Forty-eight bovine incisors were divided into four groups to receive bleaching treatments, over a 14days period, as follows: no treatment; 10% carbamide peroxide (CP) bleaching; 10% CP containing 0.05% fluoride; and 10% CP containing 0.1% fluoride. All the specimens were highly polished and discolored with commercial COCK.Color and enamel changes were determined with colorimeter, microhardness tester, scanning electron microscope, atomic force microscopy. All the collected data were analyzed with one-way ANOVA. After the bleaching, bleached groups showed the color change(E*). Microhardness of 10% CP group decreased after tooth bleaching. But microhardness of containing fluoride bleached groups increased after tooth bleaching. Enamel surface of 10% CP bleached group showed any apparent morphology and roughness changes compared to the enamel which was stored in distilled water only. These results demonstrated that Fluoridated 10% Carbamide Peroxide have appreciable bleaching effect on bovine teeth and were not adversely affects enamel. Supporting influence of fluoride-containing bleaching solution on remineralization could be observed and further research must be carried out in various active environments to confirm these results clinically.
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KEYWORD
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Color, Enamel surface, 10% Carbamide peroxide, Microhardness, Roughness
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