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Fluorescent microscopy images of live gingival fibroblast cells grown for 24 h in the presence of (a) control, (b) BisGMA, (c) AM + F hydrogel extract, (d) F hydrogel extract, (e) AM + F hydrogel direct contact, and (f) F hydrogel direct contact. The scale bar in (f) is 10 µm and applies to all images.
Control: cell culture in Petri dish; AM + F: hydrogel containing amelogenin and fluoride; F: hydrogel containing fluoride; BisGMA: bisphenol-A-glycidyldimethacrylate.
