Table 4.
Ceramic materials and resin cement used in this study
| Material (code) | Basic chemical structure (chemical components) | Manufacturer | Lot no. | |
|---|---|---|---|---|
| IPS Empress CAD | HT (Emp_HT) | Leucite-reinforced glass ceramic (SiO2, BaO, Al2O3, CaO, CeO2, Na2O, K2O, B2O3, TiO2) | Ivoclar Vivadent, Schaan, Liechtenstein | P17582 |
| LT (Emp_LT) | L41778 | |||
| IPS e.max CAD | HT (Emx_HT) | Lithium disilicate glass ceramic (SiO2, Li2O, K2O, P2O5, ZrO2, ZnO, Al2O3, MgO) | Ivoclar Vivadent, Schaan, Liechtenstein | P20492 |
| LT (Emx_LT) | P43213 | |||
| Vita Mark II (Vita) | Fine-particle feldspathic ceramic (SiO2, Al2O3, Na2O, K2O, CaO, TiO2) | Vita Zahnfabrik, Bad Säckingen, Germany | 17510 | |
| Variolink N | Base paste: Bis-GMA, UDMA, TEGDMA | Ivoclar Vivadent, Schaan, Liechtenstein | U11257 | |