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Kinetic killing effect of EGCg on S. mutans UA159 planktonic cell cultures. The concentrations of EGCg ranged from 31.25 μg/ml to 125 μg/ml. The untreated control was S. mutans UA159 cells grown in chemically defined medium in the absence of EGCg. Data are means ± standard deviations (SD) (n = 3).
