Research Article

The Inhibitory Effects of Ficin on Streptococcus mutans Biofilm Formation

Figure 4

Lactic acid production of S. mutans biofilm. CHX represents 0.12% chlorhexidine, PI represents protease inhibitor, and PI+4 represents protease inhibitor+4 mg/mL ficin. Data are presented as , and values with dissimilar letters are significantly different from each other ().