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  Indian J Med Microbiol
 

Figure 2: Scanning electron microscope images show the efficacy of the disinfectant or disinfection procedure. (a) The inner lumen wall of the cut section from the untreated dental waterlines (control tube) and the arrow indicates extensive mature microbial colonization with extensive organic matrix material. (b) The inner lumen of the cut section of treated dental unit waterline (sample a) and the arrow indicates the smooth tubing wall with no biofilms

Figure 2: Scanning electron microscope images show the efficacy of the disinfectant or disinfection procedure. (a) The inner lumen wall of the cut section from the untreated dental waterlines (control tube) and the arrow indicates extensive mature microbial colonization with extensive organic matrix material. (b) The inner lumen of the cut section of treated dental unit waterline (sample a) and the arrow indicates the smooth tubing wall with no biofilms