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일부 국내 어린이 음료의 우치 법랑질 침식력과 침식 위험 요소 평가

Title
일부 국내 어린이 음료의 우치 법랑질 침식력과 침식 위험 요소 평가
Other Titles
Analysis of the erosive effects of children’s beverages using a pH-cycling model
Authors
김보라;민지현;김백일;권호근
Issue Date
2013
Journal Title
대한구강보건학회지
ISSN
1225-388X
Citation
대한구강보건학회지, Vol.37(3) : 141~146, 2013
Abstract
Objectives The aims of this in vitro study were (1) to assess the erosive potential of several children's beverages in comparison to cola and orange juice, by using an in vitro pH-cycling model, and (2) to investigate the factors related to dental erosion caused by the beverages. Methods Eight different children's beverages (Chorongi, Capri-sun, Grateful nature wisdom, I-kicker, Koal-koal koala, My friend pororo, Qoo, and Strong zzanggu), Cola, and an orange juice, which are available in the Korean market, were used. To characterize each test beverage, the pH, titratable acidity to pH 7.0, concentration of calcium and phosphorus, and degree of saturation with respect to hydroxyapatite (DSHAP) were analyzed. Erosive potential of the test beverages was assessed by the depth of enamel loss observed in specimens subjected to pH cycling for 8 days. This cycle consisted of exposure to each beverage for 20 min, thrice daily, and to a remineralizing solution every day. The correlation between the depth of the enamel loss and the chemical properties of the beverages was assessed by Spearman's rank correlation coefficients and multiple linear regression tests (P<0.05). Results The depth of enamel loss caused by the beverages was found to vary from 0.11 to 105.47 µm. Enamel loss with all the children's beverages tested was lesser compared to that with Cola (P<0.05) but was similar or greater than that with orange juice, except in one beverage. The pH, concentration of calcium, and DSHAP were significantly correlated with the depth of enamel loss (ρ=-0.842, ρ=-0.796, and ρ=-0.867, respectively; P<0.01). Multiple regression analysis showed that pH and concentration of calcium were impact variables for the erosive potential of test beverages (P<0.05). Conclusions The children's beverages tested had lower erosive potential than Coca Cola, but five (I-kiker, Grateful nature wisdom, Qoo, Capri-sun, and Chorongi) of them had higher erosive potential than orange juice. Moreover, among the chemical properties of beverages, significant factors affecting enamel loss were pH value and concentration of calcium.
URI

http://ir.ymlib.yonsei.ac.kr/handle/22282913/88067
DOI
10.11149/jkaoh.2013.37.3.141
Appears in Collections:
1. 연구논문 > 2. College of Dentistry > Dept. of Preventive Dentistry
Yonsei Authors
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