Research Article

Evaluation of Alternative Methods to Assess the Biological Properties of Propolis on Metabolic Activity and Biofilm Formation in Streptococcus mutans

Figure 2

Effect of different polyphenol-rich extract of propolis concentrations in biofilm formation by confocal microscopy. Antibiofilm activity was expressed as thickness (median ± SD) in S. mutans cultures treated with different polyphenol-rich extract of propolis concentrations. and from the nonparametric Wilcoxon test when compared to untreated cells.