Fig. 4From: Controlling Streptococcus mutans and Staphylococcus aureus biofilms with direct current and chlorhexidineLive/dead staining of S. mutans biofilms after treatment with CHX, DC, or concurrent treatment. a Without treatment. b Treatment with 5 μg/mL CHX. c Treatment with 7 μA/cm2 DC. d Concurrent treatment with 5 μg/mL CHX plus 7 μA/cm2 DC. Bar = 20 μmBack to article page