Fig. 1From: Three-dimensional printed hydroxyapatite bone tissue engineering scaffold with antibacterial and osteogenic abilityThe preparation process and macroscopic photos of 3D-printed HA scaffolds. a Photograph of the 3D printer. b HA scaffold printing process. c comparison of HA scaffold before (left) and after (right) sintering. d the micro-CT images of HA scaffold before (left) and after (right) sintering. e filament orientation and f scaffold design imageBack to article page