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  Indian J Med Microbiol
 

Figure 2: (a, c, e) Three‑dimensional images, sized 30 μm ×30 μm (AFM). (b, d, f) Photomicrographs in 4000 magnifications (SEM). (a, b) Dental enamel pumiced, presented a regular surface with eventual wear, due to prophylaxis with pumice slurry. (e, f) The 35% phosphoric acid etched enamel for 30 s revealed a better defined type 1 etch pattern, and deepened prim's cores than (c, d) for 15 s. Thus, the honeycomb structure could be observed in etched enamel (c‑f)

Figure 2: (a, c, e) Three‑dimensional images, sized 30 μm ×30 μm (AFM). (b, d, f) Photomicrographs in 4000 magnifications (SEM). (a, b) Dental enamel pumiced, presented a regular surface with eventual wear, due to prophylaxis with pumice slurry. (e, f) The 35% phosphoric acid etched enamel for 30 s revealed a better defined type 1 etch pattern, and deepened prim's cores than (c, d) for 15 s. Thus, the honeycomb structure could be observed in etched enamel (c‑f)