| Budget Amount *help |
¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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| Outline of Final Research Achievements |
The aim of this research was to clarify whether salivary organic compounds such as proteins that have invaded subsurface enamel lesions inhibit remineralization and cause discoloration. In-office bleach was verified to selectively denature and remove organic compounds invaded in artificial subsurface enamel lesions immersed in human saliva. We also found that the bleach did not have significant influences on the minerals. Furthermore, similarly prepared lesions were divided into a bleached group and an unbleached group, and those were followed by remineralization. We found that the amount of remineralization after bleaching was significantly increased.
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