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Stiffness and yield loads of two designed cages with and without microstructures compared with those of conventional TLIF and poly-L-lactic acid cages [ 49 ]
| Cage | Stiffness (N/mm) | 0.2% yield load (N) |
|---|---|---|
| Cylindrical pore cage | 7117.9 | 3376.2 |
| Optimal pore cage | 7548.6 | 2923.5 |
| Cage wall only | 5228.1 | 1947.4 |
| Conventional TLIF cage | 2455.4 | 1248.5 |
| Poly-L-lactic acid cage | 4000 a | 3500 a |
Average values of stiffness and yield load taken from van Dijk et al. [49].
