Table 2.
Partial properties and indications of feldspar porcelain, leucite ceramics, and lithium disilicate ceramics [1, 6, 26].
| Ceramic type | Flexural strength (MPa) | Modulus of elasticity (GPa) | Brittleness index (μm-1/2) | Vickers hardness (GPa) | Fracture toughness (MPa m1/2) | Clinical indications |
|---|---|---|---|---|---|---|
| Feldspar porcelain | 154 | 45 | 2.31 ± 0.11 | 5.97 ± 0.22 | 1.39 ± 0.23 | Veneers, inlays, onlays, partial crowns, anterior and posterior crowns, CAD/CAM materials |
| Leucite ceramics | 160 | 62 | 1.77 ± 0.11 | 5.74 ± 0.20 | 1.43 ± 0.26 | Veneers, onlays, inlays, partial crowns, anterior and posterior crowns, CAD/CAM materials |
| Lithium disilicate ceramics | 360 ± 40 | 95 | 2.53 ± 0.17 | 6.84 ± 0.16 | 2.18 ± 0.23 | Veneers, inlays, onlays, partial crowns, anterior and posterior crowns, CAD/CAM materials, three-unit bridges (anterior and premolar), hybrid abutments, hybrid abutment crowns |