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  • Title: [Effect of composition in plaque fluid on evaluation of individual caries risk].
    Author: Dong Y, Gao X.
    Journal: Zhonghua Kou Qiang Yi Xue Za Zhi; 2001 Jul; 36(4):277-80. PubMed ID: 11718010.
    Abstract:
    OBJECTIVE: To study the association of composition in plaque fluid after sugar challenge with caries susceptibility in order to find predictors of identifying individual caries risk. METHODS: Children aged 6-7, caries free 12, high caries 6 and low caries 7 were studied. Plaque composition were determined by capillary electrophoresis. RESULTS: Contents of lactic acid and lower pKa acids were significantly lower in caries free group than in low caries (P = 0.002) and high caries (P = 0.01) groups. It demonstrated by multiple regression and Logistic regression that lactic acid content could be a predictor of individual caries risk. CONCLUSIONS: Content of lactic acid in plaque fluid 7 minutes after sugar challenge could be a predictor of individual caries risk.
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