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Improvement of Bleaching Effect on the Color of Enamel Surface with TiO2 Catalysis Convergence Bleaching Agent

TiO2 광촉매 융합 미백제에 의한 치아미백 향상 효과에 대한 연구

  • Received : 2015.07.29
  • Accepted : 2015.10.20
  • Published : 2015.10.31

Abstract

This in vitro study compared the effect of bleaching agent modified by the addition of $TiO_2$ catalyst converged bleaching agent. Nonvital teeth samples were assigned to four group(n=6) according to the bleaching agent: 10% carbamide peroxide(CP) bleaching agen, 10% CP with 10% $TiO_2$ catalyst, 20% CP bleaching agent and 20% CP with 20% $TiO_2$ catalyst. Changes in enamel color were evaluated on minutes 30, 60, 180, 300 and 420. It was found that 20% CP with 20% $TiO_2$ catalysis increased the whiteness and overall color value and showed significantly brightened. The teeth bleaching time was reduced with $TiO_2$ catalyst converged bleaching agent. This result will contribute to development of the teeth bleaching agent.

Keywords

catalysis convergence bleaching agent;$TiO_2$ catalysis;carbamide peroxide;tooth discoloration;methylene blue

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