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KMID : 0355420200440040194
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Journal of Korean Academy of Oral Health
2020 Volume.44 No. 4 p.194 ~ p.198
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Prevention of dental erosion in early dental caries by application of remineralizing substance to fermented beverage
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Kim Ji-Eun
Jeong Seong-Soog
Chung Ki-Ho
Choi Choong-Ho
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Abstract
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Objectives: The purpose of this study was to investigate the possibility of preventing dental erosion caused by fermented milk in early carious teeth by applying 0.2% sodium fluoride to the tooth surface and adding 0.5% calcium to the drink.
Methods: We selected the experimental drink Yakult, which is the best-selling domestic fermented milk drink. A total of five groups were selected as experimental groups (mineral water, fermented milk, 0.2% NaF+fermented milk, 0.2% NaF+(fermented milk+0.5% Ca), and 0.2% NaF+Distilled water groups). After forming the artificial early caries, the pH cycling was administered for five days to derive surface microhardness and scanning electron microscope (SEM) image results.
Results: When comparing the surface microhardness before and after treatment in each group, significant differences were found among the four groups (P<0.05), except in the fermented milk group (P>0.05). A comparison of the difference in surface microhardness before and after pH cycling among the groups revealed a significant difference (P<0.05). There was no significant difference between the 0.2% NaF+(fermented milk+0.5% Ca) group, 0.2% NaF+distilled water group, and the mineral water group (P>0.05). The 0.2% NaF+fermented milk and fermented milk groups showed significant differences from the other groups (P<0.05). In the SEM image, 0.2% NaF+(fermented milk+0.5% Ca), 0.2% NaF+distilled water, and mineral water groups (P>0.05) showed smoother surfaces than the 0.2% NaF+fermented milk and fermented milk groups.
Conclusions: Based on these results, it was confirmed that if 0.5% calcium was included in the fermented milk along with the fluoride mouth rinsing program in schools using 0.2% fluoride every week when drinking fermented milk, it is possible to effectively prevent dental erosion even in early carious teeth.
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KEYWORD
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Calcium, Dental erosion, Fermented milk, Fluoride
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