Additive-manufactured Ti-6Al-4 V/Polyetheretherketone composite porous cage for Interbody fusion: bone growth and biocompatibility evaluation in a porcine model

Table 3 Unit porous size, interporous distance, total volume, and total surface area of the cage at different porosities

Porosity rate (%)	Unit porous size (mm³)	Interporous distance (mm)	Total volume of cage materials (mm³)	Total surface area (mm²)	Young’s modulus (GPa)
0	Nil	Nil	600	631	1.53
40	0.23	0.40	380	2391	1.33
60	0.23	0.31	300	2406	1.28
80	0.23	0.22	190	2137	0.32

ISSN: 1471-2474