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KMID : 0355420070310010011
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Journal of Korean Academy of Oral Health
2007 Volume.31 No. 1 p.11 ~ p.19
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A study of dental caries activity on some commercial drinks
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Choi Choong-Ho
Youn Hye-Jeong
Hong Suk-Jin
Jeong Seong-Soog
Kim Ji-Young
Ha Myung-Ok
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Abstract
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Objectives: The purpose of this study was to investigate the dental caries activity of some commercial drinks.
Methods: Acidity levels were recorded as pH values of original drinks and amount of 50%-sodium hydroxide(Na0H) equired to neutralize by titration 50 ml of the drink(it was called titratable acid). Acidity of the drinks with S. sobrinus was measured at an interval of one hour after incubating(37"C) the test drinks which was composed 10 ml of neutralized drinks as pH 7.0 and 10 ml of 0.25% glucose TSB solution with 0.2 mlof a pooled suspension of S. sobrinus.
Results:
Conclusions: It shows that each commercial drink with S. sobrinus had a different dental caries activity,
so it can be used for the basic data on diet control and oral health education.
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KEYWORD
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dental caries activity, drinks, pH, titratable acid
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