Research Article

Calcium Phosphate Based Three-Dimensional Cold Plotted Bone Scaffolds for Critical Size Bone Defects

Figure 2

Scaffold material evaluation. (a) A cylindrical scaffold synthesized by extrusion freeform fabrication using β-TCP, PEG 400, PEG 10000, trisodium citrate, and water as cement material. The scaffold was hardened with phosphoric acid. (b) XRD diagram of an extruded scaffold. Four chemical phases, whitlockite (diamond), monetite (asterisk), sodium calcium phosphate (circle), and hydroxyapatite (triangle), were detected.
852610.fig.002a
(a)
852610.fig.002b
(b)