Table 1.
Mechanical properties of tested materials with authorized type of restoration compared to enamel and dentine (* manufacturer’s information).
| Products (Code) | Composition | Micro- Hardness Vickers |
Elastic Modulus GPa |
Flexural Strength MPa |
|
|---|---|---|---|---|---|
| Bis-acryl composite resins |
Structur 3 (S3) | UDMA, Bis-GMA, Filler: Fumed silica (50 nm) [26], 32 wt% [27] |
13 [27] | 1.9 | 113 * (3-point) 142 * (biaxial) |
| LuxaCrown (LC) | Dimethacrylate Resin 35–45 wt%, filler content 46 wt% (with Ø 0.02–1.5 µm) * |
/ | / | 154 * 110 [28] |
|
| Resin composites (CAD/CAM discs) |
Structur CAD (SC) |
/ | / | / | >120 * |
| VITA CAD-Temp (CT) | PMMA, 14 wt% microfillers (SiO2) [29] |
25 [29] 25 [30] |
3.62.8 [31] | 88.5 [31] (3-point) |
|
| Grandio disc (GD) | Dimethacrylates, 86 wt% glass ceramic filler; functionalized |
155 * | 18 * | 333 * | |
| Zirconia | Lava Esthetic (LE) | 5 mol% Yttria-stabilized Cubic Zirconia Polycrystal [32] | 1200 * | 216 * | 800 (3-point) * |
| Enamel | / | / | 313.3 [15] | 59.7 [15] | / |
| Dentin | / | / | 62.3 [15] | 16.5 [15] | / |