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  Indian J Med Microbiol
 

Figure 2: Scanning electron microscope image of rotary instrument tissue guard end-cutting (bur) (×65). Only the tip is uniformly coated with diamond particles. The extremity of the shaft is also beveled inward to avoid the production of any undercuts during placement of finishing lines. (a) Scanning electron microscope image of tissue guard end-cutting bur, grit 60 μm, (b) scanning electron microscope image of tissue guard end-cutting bur, grit 45 μm

Figure 2: Scanning electron microscope image of rotary instrument tissue guard end-cutting (bur) (×65). Only the tip is uniformly coated with diamond particles. The extremity of the shaft is also beveled inward to avoid the production of any undercuts during placement of finishing lines. (a) Scanning electron microscope image of tissue guard end-cutting bur, grit 60 μm, (b) scanning electron microscope image of tissue guard end-cutting bur, grit 45 μm