Table 2.
Values of microhardness with standard deviation (MPa) and mean reduced modulus with standard deviation (MPa) of commercial dental composites; samples were cured on one side—top of the sample. Distance is the depth of layer presented in µm.
| Distance (µm) | Filtek Ultimate | Estelite Σ Quick | Tetric EvoCeram BLXL | Tetric EvoCeram Powerfill IVB | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microhardness (MPa) | Reduced Modulus (MPa) | Microhardness (MPa) | Reduced Modulus (MPa) | Microhardness (MPa) | Reduced Modulus (MPa) | Microhardness (MPa) | Reduced Modulus (MPa) | |||||||||
| 0 | 300 | ±90 | 8760 | ±580 | 420 | ±30 | 6630 | ±560 | 590 | ±0 | 11,510 | ±190 | 650 | ±140 | 10,560 | ±1450 |
| 675 | 2440 | ±530 | 25,180 | ±3350 | 790 | ±20 | 11,100 | ±290 | 1180 | ±160 | 20,370 | ±2180 | 1190 | ±70 | 20,120 | ±500 |
| 1250 | 1570 | ±160 | 17,770 | ±1000 | 860 | ±200 | 12,020 | ±720 | 1260 | ±200 | 21,410 | ±3150 | 1250 | ±170 | 20,810 | ±4450 |
| 1925 | 900 | ±120 | 9400 | ±890 | 110 | ±40 | 1430 | ±260 | 880 | ±90 | 15,540 | ±1130 | 1130 | ±180 | 19,920 | ±1220 |
| 2600 | 400 | ±30 | 5910 | ±240 | 80 | ±0 | 1690 | ±210 | 140 | ±70 | 4010 | ±1030 | 270 | ±80 | 3790 | ±780 |