Fig. 1From: 3D printing of dual-cell delivery titanium alloy scaffolds for improving osseointegration through enhancing angiogenesis and osteogenesisAÂ Gross view and SEM image of empty porous scaffold. B Schematic diagram of poloxamer 407 hydrogel filled scaffolds. CÂ Gross view and SEM image of hydrogel incorporated scaffold. After hydrogel incorporation, the scaffolds (blue arrow) were completely filled with interconnected hydrogel networks (red arrow)Back to article page