Fig. 1From: The application of selenium nanoparticles for enhancing the efficacy of photodynamic inactivation of planktonic communities and the biofilm of Streptococcus mutansThe CFUs of the planktonic form of S. mutans after treatment by MB-induced PDT, SeNPs, and combination therapy compared to the control group. (ns: not significant, NANO: SeNPs, MB: methylene blue, *** P-value < 0.001)Back to article page