Table 3.
Physical and mechanical properties of the specimens investigated. Standard deviations in parentheses.
| Materials | Density (g/cm3) | Modulus (GPa) | Hardness (GPa) | Strength (MPa) | Toughness (MPa m1/2) | |
|---|---|---|---|---|---|---|
| Zirconia | ||||||
| 3Y-TZP | S2 | 6.096 | 208 | 12.74 (0.05) | 1054.4 (68.1) | 4.34 (0.09) |
| R/S2 | 6.077 | 211 | 12.4 (0.19) | 154.7 (84.1) | 5.74 (0.17) | |
| 4Y-PSZ | E2 | 6.108 | 212 | 13.08 (0.13) | 1038.4 (55.4) | 3.54 (0.13) |
| R/E2 | 6.087 | 211 | 12.78 (0.04) | 256.3 (77.1) | 4.80 (0.20) | |
| 5Y-PSZ | SMS2 | 6.100 | 214 | 13.16 (0.15) | 801.7 (64.5) | 3.18 (0.13) |
| R/SMS2 | 6.057 | 311 | 12.82 (0.08) | 306.1 (61.8) | 6.88 (0.38) | |
| Glass-Ceramic | ||||||
| e.max CAD | HT A2 | 2.502 | 102 | 5.72 (0.08) | 288.5 (31.0) | 2.34 (0.32) |