Abstract:Objective To develop suitable structural designs for the three-dimensional (3-D) printing of a porous titanium scaffold to fill bone defects in knee joints. Pore diameter and mechanic strength are key factors for the 3-D printing of porous titanium scaffolds. Methods Fifteen different pore unit structural models of titanium scaffolds were designed with 3-D printing computer software; five different scaffold shapes were designed: imitation diamond-60°, imitation diamond-90°, imitation diamond-120°, regular tetr… Show more
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