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Youngkyung. Lee(이용경),Ara. Jung(정아라),Bomi. Gweon(권보미),Dohyung Lim(임도형) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
This study was to confirm Human osteoblast-like cell responses according to pore shapes and alterations of the surface characteristic caused additive manufacturing technology based on metal powder. Specimens with pore shape of circle, triangle and square were fabricated by powder bed fusion (PBF) method. The specimens were measured dimensions, areas for compared with designed pore shape models. Also, the curvatures of the specimens were analyzed by micro-CT. Cellular proliferation was measured using cell counting kit-8 (CCK-8). The distribution of molecular markers of cell adhesion were evaluated by immunofluorescence staining. As a result, the curvature characteristic was different depending on the pore shape, in particular, the difference was found in the edges and the angular points. The cell proliferation results showed that the square and triangle pore shape had more cells than the circle pore shape (p < 0.05).