미취학 아동에서 산성 고자당 액상배지를 사용한 치아우식활성검사성적과 치아우식경험도의 상관성에 대한 타액 비교연구
COMPARATIVE STUDY OF THE EFFECT OF SALIVA SPECIMEN AND PLAQUE SPECIMEN ON THE CORRELATION BETWEEN DENTAL CARIES EXPERIENCE AND DENTAL CARIES ACTIVITY TEST SCORE WITH ACIDIC HIGH-SUCROSE LIQUID MEDIUM IN PRESCHOOL CHILDREN
안동성, 김상돈, 엄상호,
소속 상세정보
안동성 ( ) - 원광대학교 치과대학 예방치과학교실
김상돈 ( ) - 원광대학교 치과대학 예방치과학교실
엄상호 ( ) - 원광대학교 치과대학 예방치과학교실
KMID : 0355419920160020264
Abstract
The purpose of this study was to compare the effect of saliva specimen and plaque specimen on the relationship between dental caries experience and dental caries activity test score by acid high-sucrose liquid medium in preschool children. The caries experience and caries activity of 270 preschool children were examined. Caries activity was measured by dental plaque and the saliva. The medium was composed of sucrose 30%, beef extract 0.1%,´NaC1 0.2%, bromocresol green 0.01%. The pH of medium was adjusted to pH 5.4 by lactic acid solution. 5ml of medium was poured into capped test tubes which were then autoclaved. The plaque specimen was sampled from the subject´s upper buccal tooth surfaces by a cotton applicator and then it was directly put into the tube. The saliva specimen was dropped directly into the test tube. The media were incubated at 37C for 96 hrs. Every 24 hours pH was readed by observing the color change of pH indicator bromocresol green in the medium with the color standard. 3 or 4 day´s pHs were converted to scores and then added together. pH drop of plaque specimen was faster and greater than saliva ,specimen.. The correlation between caries experience and
plaque specimen score was higher than that of caries experience and saliva specimen score. Therefore, plaque seemed to be more appropriate as the specimen of the caries activity test using acid high-sucrose medium than saliva.
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