Table 1.
Composition of the resin composite materials used in this study.
| Resin Composite | Manufacturer | Filler Type | Filler Loading, % by Weight |
|---|---|---|---|
| Premise | Kerr, Scafati, Italy |
Barium-aluminum-borosilicate glass (mean particle size 0.4 μm); fumed silica nanofiller (20 nm); prepolymerized filler (≈20–30 μm) | 84 |
| Herculite Ultra | Kerr, Scafati, Italy |
Barium-aluminum-borosilicate glass (mean particle size 0.4 μm); fumed silica nanofiller (50 nm); prepolymerized filler (≈1 μm) | 78 |
| Harmonize | Kerr, Scafati, Italy |
Barium-aluminum-borosilicate glass (mean particle size 0.4 μm); aggregated zirconia/silica cluster filler (2–3 μm) comprised of 20 nm spherical fumed silica and 5 nm zirconia particles | 81.5 |