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Representative SEM images of HGECs’ adhesion to the surfaces of each group after 24 hours (scale bar of A–C, E =5 µm, scale bar of D, F =600 nm).
Notes: (A) SLM; (B) MP; (C, D) AO; (E, F) AOC.
Abbreviations: SEM, scanning electron microscopy; HGECs, human gingival epithelial cells; SLM, selective laser melting; MP, mechanically polished; AO, anodic oxidation; AOC, anodic oxidation composited with electrochemical deposition.
