Table 2.
Filler concentration | ||||||
20% | 40% | 60% | 80% | 100% | 120% | |
CaWO4 | 0.44±0.04 | 0.91±0.06 | 1.24±0.15 | 1.56±0.14 | 1.98±0.10 | 2.43±0.05 |
YbF3 | 0.38±0.04 | 0.76±0.20 | 1.47±0.37 | 1.63±0.11 | 2.07±0.05 | 2.57±0.21 |
BaSO4 | 0.44±0.06 | 0.63±0.21 | 1.01±0.10 | 1.29±0.09 | 1.62±0.16 | 2.00±0.07 |
Radiopacity increases with the amount of the filler (CaWO4 r2=0.996, YbF3 r2=0.983, BaSO4 r2=0.994; p<0.05)