Figure 7.

3D architecture of the topically treated S. mutans biofilm. Representative images of 67 h-old biofilms are displayed in this image. The red color represents exopolysaccharides produced by S. mutans (Alexa Fluor 647) and the green color S. mutans cells (SYTO 9). The larger image in each set represents the overlapping images of the red and green channels, which are shown separately in a smaller size (scale bars of 25 μm). The bottom images are a cross-section of the biofilm with overlapping images of both channels (scale bars of 50 μm).