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  Indian J Med Microbiol
 

Figure 1: (a-l) Represents scanning electron microscope images of the inner luminal wall of the cut section tube collected from the 12 dental unit waterlines after overnight disinfection the 12 dental unit waterlines. There was no evidence of extensive microbial colonization or biofilm

Figure 1: (a-l) Represents scanning electron microscope images of the inner luminal wall of the cut section tube collected from the 12 dental unit waterlines after overnight disinfection the 12 dental unit waterlines. There was no evidence of extensive microbial colonization or biofilm