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  Indian J Med Microbiol
 

Figure 2: (a) SEM micrograph of the untreated dentin surface. (b) Smear layer covering the majority of the dentin was observed. (2a: ×200; 2b: ×500)

Figure 2: (a) SEM micrograph of the untreated dentin surface. (b) Smear layer covering the majority of the dentin was observed. (2a: ×200; 2b: ×500)