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Mechanical properties of dentin compared to bone and enamel.
| Substance | Compressive Strength (MPa *) | Tensile Strength (MPa *) | Elasticity/Young’s Modulus (GPa *) |
|---|---|---|---|
| Dentin | 250–350 | 21–160 | 11–19.7 |
| Bone (cortical/compact) |
88–200 | 124–174 | 3.9–18.9 |
| Bone (trabecular/ spongeous **) |
0.1–16 | ND | 0.05–0.5 |
| Dentin (demineralized) |
ND | 30 | 0.02–0.21 |
* Stress in Pascals (N/m2); ** values dependent on density of specimen; ND = no data.
