Fig. 6From: Biocompatibility of nanosilver-coated orthodontic brackets: an in vivo study a The sample of the control group at day 30, Giant cell (black encircled) (H&E; ×200), Eosinophil (blue encircled) (H&E, ×400). b The sample of the study group at day 30 , brown-black granules (red encircled) (H&E; ×200)Back to article page