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  Indian J Med Microbiol
 

Figure 2: (a) Rotary/oscillatory toothbrush; (b) Linear motion toothbrush; (c) Sonic toothbrush; (d) Ultrasonic toothbrush

Figure 2: (a) Rotary/oscillatory toothbrush; (b) Linear motion toothbrush; (c) Sonic toothbrush; (d) Ultrasonic toothbrush