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논문 기본 정보

자료유형
학술저널
저자정보
김지은 (전남대학교 치의학전문대학원 예방치과학교실) 정성숙 (전남대학교 치의학전문대학원 예방치과학교실) 정기호 (전남대학교) 최충호 (전남대학교)
저널정보
대한예방치과·구강보건학회 대한구강보건학회지 대한구강보건학회지 제44권 제4호
발행연도
2020.1
수록면
194 - 198 (5page)

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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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