Table 1.
Brands, composition and manufacturer data of the restorative materials used in this study.
| Material | Composition | Manufacturer |
|---|---|---|
| Spectrum TPH | Bis-GMA-adduct {adduct of 2,2- Bis[4-(2-hydroxy-3-methacryloyloxypropoxy)-phenyl] propane with hexamethylene diisocyanate} | Dentsply, Konstanz, Germany |
| Bis-EMA {2,2-Bis[4-(2-methacryloyloxyethoxy)-phenyl]propane} | ||
| TEGDMA (3,6-dioxaoctamethylene dimethacrylate) | ||
| Photo initiators | ||
| Stabilizers | ||
| Bariumaluminiumborosilicate (mean particle size < 1.5 µm) | ||
| Highly dispersed silicon dioxide (particle size 0.04 µm) | ||
| Prime&Bond NT | Di-and trimethacrylate resins | Dentsply, Konstanz, Germany |
| Functionalised amorphous silica | ||
| PENTA (dipentaerythritol penta acrylate monophosphate) | ||
| Photoinitiators | ||
| Stabilizers | ||
| Cetylamine hydrofluoride | ||
| Acetone |