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Images obtained by scanning electron microscope (SEM) with 2500× magnification of biofilm developed at 72 h over implants treated with phosphate buffer saline (PBS) (A), 0.2% chlorhexidine (CHX) (B), 2.5% dimethyl sulfoxide (DMSO) (C), 100 µM xanthohumol (D) and 5 mM curcumin (E) (scale bar = 20 µm).
