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Representative properties of crown materials. Data compiled from manufacturer’s specifications and previous studies [3]. Uncertainties in property values are typically ~ 20%.
| Material | Modulus E (GPa) | Poissons ratio | Toughness T (MPa·m1/2) | Strength S (MPa) |
|---|---|---|---|---|
| Zirconia (Lava Plus) | 210 | 0.30 | 4.0 | 1200 |
| Lithium disilicate (IPS e.max CAD) | 95 | 0.23 | 1.5 | 376 |
| Resin composite (Lava Ultimate) | 13 | 0.35 | 2.0 | 200 |
| Enamel | 90 | 0.22 | 1.0 | – |
| Dentin | 18 | 0.35 | 3.0 | – |
