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  Indian J Med Microbiol
 

Figure 3: (a) Bristle size of Group 1 rotary/oscillatory toothbrush; (b) Bristle size of Group 2 linear motion toothbrush; (c) Bristle size of Group 3 sonic toothbrush; (d) Bristle size of Group 4 ultrasonic toothbrush

Figure 3: (a) Bristle size of Group 1 rotary/oscillatory toothbrush; (b) Bristle size of Group 2 linear motion toothbrush; (c) Bristle size of Group 3 sonic toothbrush; (d) Bristle size of Group 4 ultrasonic toothbrush