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  Indian J Med Microbiol
 

Figure 1: Representative SEM micrographs at 500 × magnification of the composite surfaces after various surface treatments: (a) no treatment; (b) phosphoric acid; (c) diamond bur; (d) diamond bur + phosphoric acid; (e) Er,Cr:YSGG laser; (f) Er,Cr:YSGG laser + phosphoric acid

Figure 1: Representative SEM micrographs at 500 × magnification of the composite surfaces after various surface treatments: (a) no treatment; (b) phosphoric acid; (c) diamond bur; (d) diamond bur + phosphoric acid; (e) Er,Cr:YSGG laser; (f) Er,Cr:YSGG laser + phosphoric acid