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Assessment of S. mutans biofilm biomass and EPS production after 24 h. (a) Biofilm biomass and (b) EPS production by S. mutans treated with arginine (0%, 0.75%, 1.50%, or 3.00%) for 10 min one time (8 h) or two times (8 h and 20 h) were evaluated. Treatment groups were compared to control (0%) groups. *p < 0.05; **p < 0.01.
