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Colony-forming unit (CFU) of 2-day biofilms on disks: (A) total microorganisms, (B) total streptococci, and (C) mutans streptococci (mean ± sd; n = 6). All three CFU counts on VT+NAg+MPC were two orders of magnitude lower than TB control. In each plot, values with dissimilar letters are significantly different (p < 0.05).
