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. 2023 Feb 20;31:e20220421. doi: 10.1590/1678-7757-2022-0421

Table 1. Translucency and mechanical properties of representative and commonly used glass ceramics.

Ceramic KIc (MPa.√m) Translucency parameter (TP) Biaxial flexural strength (MPa) E (GPa) Hardness (GPa)
Lithium disilicate (IPS e.max CAD, Ivoclar Vivadent)25-27 1.2 ± 0.26 18 (1.0 mm thickness) 295.8 (1.2 mm thickness) 95 5.8
Zirconia-reinforced lithium silicate (ZLS) CAD/CAM block (Celtra Duo®, Dentsply)28-30 2.6 ± 0.32 13.3 ± 1.05 (2.0 mm thickness) 105.1 ± 13.70 (2.0 mm thickness) 64 4.5
Zirconia-reinforced lithium silicate – (Vita Suprinity, Vita Zahnfabrik) 25,31 1.2 ± 0.79 31.0 ± 1.0 (1.2 mm thickness) 510 ± 43 (1.2 mm thickness) 70 7
Feldspathic ceramic (Vita Mark II, Vita Zahnfabrik)32,33 2.3 ± 0.04 26.4 ± 0.57 (2.0 mm thickness) 112.4 ± 3.2 (1.2 mm thickness) 72 6.2