Fig. 1From: The effect of chlorhexidine on dental calculus formation: an in vitro studyBiofilm formation using an MBEC™ device. a A representation of biofilm formation on a peg. b Biofilm formation on a peg after 3 days incubation. c An SEM image of a peg. d An SEM image of saliva-related biofilm developed on the peg after 3 days incubation. Bars = 5.0 μmBack to article page