한국치위생학회지 (Journal of Korean society of Dental Hygiene)
- 제7권2호
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- Pages.167-176
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- 2007
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- 2287-1705(pISSN)
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- 2288-2294(eISSN)
Streptococcus sobrinus에 의한 일부 시판음료의 pH 변화
pH changes by Streptococcus sobrinus on some commercial drinks
- 윤혜정 (초당대학교 치위생학과)
- Youn, Hye-Jeong (Department of Dental Hygiene, Chodang university)
- 발행 : 2007.07.30
초록
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(NaOH) required to neutralize by titration 50.00ml 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 (