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The material properties of the finite element model.
| Component name | Modulus of elasticity (MPa) | Poisson’s ratio |
|---|---|---|
| Cortical bone | 12000 | 0.3 |
| Loosen cortical bone | 8040 | 0.3 |
| cancellous bone | 100 | 0.3 |
| Loose cancellous bone | 33 | 0.3 |
| Cartilage | 10 | 0.4 |
| Bony endplate | 1000 | 0.4 |
| Nucleus pulposus | 1 | 0.499 |
| Annulus fibrosus | 450 | 0.3 |
| PMMA | 1600 | 0.33 |
| MC-PMMA | 1132 | 0.32 |
