Figure 5.

Colony-forming unit (CFU) counts of 2-day biofilm on composite discs (mean ± sd; n = 9): (A) Total microorganisms, (B) total streptococci, and (C) mutans streptococci (mean ± sd; n = 9).The incorporation of nCaF₂+DMAHDM+MPC had the lowest CFU, followed by nCaF₂+DMAHDM in the total microorganisms. The reduction of CFU in nCaF₂+DMAHDM+MPC and nCaF₂+DMAHDM was similar in total streptococci and mutans streptococci (p < 0.05). In each plot, different letters (a, b, c, d) indicate significant differences between groups (p < 0.05).