Table 1 CAD-CAM ceramic materials used in the study

Lithium Disilicate (Glass Ceramics)

IPS e.max®CAD

SiO₂^, Li₂O, K₂O, P₂O₃, ZrO₅, ZnO, Al₂O₃, MgO.

Vita Zahnfabrik, Bad Säckingen, Germany

X15367

Hybrid polymer infiltrated ceramics

Enamic

UDMA, TEGDMA, SiO2, Al2O3, Na2O, K2O, B2O3, Zr2O, CaO

Vita Zahnfabrik, Bad Säckingen, Germany

59,882

Zirconia reinforced glass ceramic

Suprinity

SiO₂, Li₂O,

K₂O, P₂O,

Al₂O₃^, ZrO₂^,

CeO_{2 ,}La₂O.

Vita Zahnfabrik, Bad Säckingen, Germany

58,081

5YTZP zirconia

Cercon xt

DeguDent GmbH, Hanau-wolfgang, Germany.

Dentsply Sirona,

18,043,031