Table 1.
Materials used in this study.
| Brand | Material | Chemical composition | Manufacturer | ||
|---|---|---|---|---|---|
| IPS e.max ZirCAD Prime | Medium and high translucent zirconia (3Y-TZP and 5Y-TZP) | 88.0–95.5% Zirconium oxide (ZrO2), > 4.5% – ≤ 7.0% Yttrium oxide (Y2O3), ≤ 5.0% Hafnium oxide (HfO2), ≤ 1.0% Aluminium oxide (Al2O3), ≤ 1.5% Other oxides | Ivoclar Vivadent AG (Schaan, Liechtenstein) | ||
| IPS e.max CAD |
SiO2 57–80% Li2O 11–19% K2O 0–13% Other oxides 0–8% |
Ivoclar Vivadent AG (Schaan, Liechtenstein) | |||
| Tetric N-Ceram |
Nano-hybrid resin composite |
Urethane dimethacrylate, ethoxylated Bis-EMA, Bis-GMA (18.8 wt%), barium glass filler, ytterbium trifluoride, mixed oxide (63.5 wt%), polymer (17 wt%), additives, catalysts, stabilizers, and pigments (0.7 wt%) | (Ivoclar Vivadent, Schaan, Liechtenstein) | ||
| MultiCore Flow | Self-cured core build-up composite with light-cured option |
(Wt%) -Bis-GMA, urethane dimethacrylate, triethyleneglycol dimethacrylate highly dispersed silicon dioxide. -Barium glass fillers, Ba-Al-fluorosilicate glass, highly dispersed silicone dioxide -Ytterbium trifluoride -Catalysts, stabilizers, pigments |
Base 28.1 54.9 16.4 0.6 |
Catalyst 28.4 54.4 16.2 1.0 |
(Ivoclar Vivadent, Schaan, Liechtenstein) |
| Multilink Automix resin cement | two paste, self- curing adhesive resin cement | DMA and HEMA, adhesive monomer, barium glass filler, SiO2 filler, Ytterbium triflorite, accelarator and stabilisator and pigments | (Ivoclar Vivadent, Schaan, Liechtenstein) | ||
| Monobond N | Universal Primer | Contains 3 different functional methacrylates: Silane methacrylate, phosphoric methacrylate and sulfide methacrylate. | (Ivoclar Vivadent, Schaan, Liechtenstein) |