Fig. 4From: An experimental intraradicular biofilm model in the pig for evaluating irrigation techniquesMorphological observations and bacterial 16S rRNA sequence analysis of the intraradicular biofilms in the pig model. SEM image of a root canal wall (30×) at the apical one third (a) and magnified views (1,000× and 5000×) (b, c) of the boxed area are shown. d Relative abundance of bacterial phyla. Each color on the bar indicates a different phylumBack to article page