FIGURE 4.

Multiple passaging of bacteria under CHX-treatment in vitro. MICs of CHX, cetylpyridinium chloride (CPC) and methacryloyloxydodecylpyridinium bromide (MDPB) repeatedly performed from passages 0–10 (P0–P10) against E. faecalis. This figure is reprinted from Kitagawa et al. (2016) with kind permission from the publisher.