Effects of 10% and 15% Carbamide Peroxide on Extrinsic Enamel Discoloration caused by Black Tea

To determine the effects of 10% and 15% carbamide peroxide on extrinsic enamel discoloration caused by black tea. Thirty-two extracted human premolars randomly divided into two groups were soaked in a black tea solution for eight days, then mounted in microwax. The specimens were subjected to 14 app...

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Bibliographic Details
Published in:Journal of physics. Conference series 2018-08, Vol.1073 (6), p.62005
Main Authors: Wijaya, K C, Soufyan, A, Irawan, B, Matram, N
Format: Article
Language:English
Subjects:
Black tea
Bleaches
Bleaching
Color
Discoloration
Enamel
Physics
Tea
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Summary:To determine the effects of 10% and 15% carbamide peroxide on extrinsic enamel discoloration caused by black tea. Thirty-two extracted human premolars randomly divided into two groups were soaked in a black tea solution for eight days, then mounted in microwax. The specimens were subjected to 14 applications of bleach, each of seven-hour duration. Color changes after the 7th and 14th applications were measured using the CIE L*a*b* method with VITA Easyshade®. Independent t-tests showed no significant difference in the color change value between groups. The data showed there was no difference in the effectiveness of bleaching using 10% or 15% carbamide peroxide on extrinsic enamel discoloration caused by black tea.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1073/6/062005