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KMID : 1023420080080040255
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Journal of Dental Hygiene Science
2008 Volume.8 No. 4 p.255 ~ p.260
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35% Hydrogen Peroxide Gel in the Whitening Effect and Enamel Changes
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Lee Hye-Jin
Kwon Tae-Yub
Kim Kho-Han
Kim Min-Young
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Abstract
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The purposes of this study were to examine the effect of 35% hydrogen peroxide(HP) bleaching agent on the changes in physical and chemical characteristics of tooth. The bleached teeth showed an apparent color changes. The whiteness increased linearly within the tested period as the period of bleaching increased. The microhardness between bleached groups after bleaching showed any statistically significant difference according to the paried t-test. The bleached enamel surface showed any apparent morphological changes compared to the enamel which was stored in distilled water only. The difference of the total mineral contents for the distilled water and hydrogen peroxide did not show statistical significance. These results demonstrated that bleaching using 35% hydrogen peroxide were adversely affects application time of experimental group and may confirm the safety of using these agents for a short time in dentist-monitored bleaching.
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KEYWORD
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Enamel surface, 35% hydrogen peroxide, Microhardness
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