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Table 2 Results of the torsional mechanical test on the composite porous interbody cage

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

Porosity rate (%) Stiffness (Nm/degree) Yield moment (Nm)
0 7.12 41.61
40 3.59 26.37
60 2.47 19.66
80 1.63 11.13