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  Indian J Med Microbiol
 

Figure 2: The electric toothbrush was fixed in a constructed device that allowed the heads of the brushes to be aligned parallel to the surface of the specimens and to control the pressure by an electric system

Figure 2: The electric toothbrush was fixed in a constructed device that allowed the heads of the brushes to be aligned parallel to the surface of the specimens and to control the pressure by an electric system