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FE-SEM (field emission scanning electron microscopy) images, (a) dental composite + Silver nanoparticles (AgNPs), (b) dental composite + Calcium fluoride nanoparticles (CaF2NPs) and (c) dental composite + AgNPs and CaF2NPs. Magnification: 5.00 k× .Accelerating voltage (Kv):15.0Kv.
