Table I.
Material properties and various layer thicknesses used for FEA simulation and analytical analysis.
| Lithium Disilicate (IPS e.max Press) | Zirconia (3Y-TZP) | Cement (Variolink II) | Enamel | Dentin | |
|---|---|---|---|---|---|
| Elastic modulus, E (GPa) | 95 | 210 | 8.6 | 70 | 18 |
| Flexural strength, σ (MPa) | 400 | 1000 | 110 | – | – |
| Poisson's ratio | 0.23 | 0.30 | |||
| Layer thickness (mm) | 0.20 | 0.20 | 0.05 | 1.55 | 4.00 |
| 0.30 | 0.30 | 0.05 | 1.45 | 4.00 | |
| 0.40 | 0.40 | 0.05 | 1.35 | 4.00 | |
| 0.50 | 0.50 | 0.05 | 1.25 | 4.00 | |
| . | . | . | . | . | |
| . | . | . | . | . | |
| . | . | . | . | . | |
| 1.70 | 1.70 | 0.05 | 0.05 | 4.00 | |
| 1.80 | 1.80 | 0.05 | 0 | 3.95 | |
| 1.90 | 1.90 | 0.05 | 0 | 3.85 | |
| 2.00 | 2.00 | 0.05 | 0 | 3.75 |