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KMID : 0355419960200030317
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Journal of Korean Academy of Oral Health
1996 Volume.20 No. 3 p.317 ~ p.323
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Determination of Fluorine by PIGE Analysis on Bovine Tooth Enamel immersed in 0.05% Sodium Fluoride Mouthrinsing Solution
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金英秀/Kim, Young-soo
韓文盛/金貞植/Hahn, Moon-sung/Kim, Joung-shik
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Abstract
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The purpose of this study was to evaluate the effectiveness of a 0.05% . sodium fluoride solution on fluorine uptake in bovine enamel and to evaluate the usability of proton induced Y-ray. emission analysis(PIGE). 18 bovine tooth enamel specimens were prepared and assigned to 3 groups as follows. (a) specimens without any treatment (b) specimens which were immersed in 0.05% NaF mouthrinsing solution for 5 hours (c) specimens which were immersed in 0.05% NaF mouthrinsing solution for 10 hours
Fluorine concentration was measured at the depth of 263, 625, 2530 run from the surface of the specimens.
The obtained results were as follows:
1. Fluorine concentration was increased according to increasing the time of immersion in 0.05% sodium fluoride mouthrinsing solution.
2. As the measurement depth is deepened from the surface, fluorine concentration was decreased.
3. PIGE analysis was a useful method to analyze minute concentration of fluorine in tooth enamel.
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