Fig. 1From: Biofilm elimination from infected root canals using four different single filesSEM views showing stages of E. faecalis biofilm formation and maturation onto root canal dentin at 3000X. A–C after 1 week. D–F after 2 weeks. G–I after 3 weeks, showing mature biofilm (white arrows) with actively dividing bacteria (red arrows). J–L after 4 weeks. M–O after 5 weeksBack to article page