Table 2.
Variation from the standard direct measurement of mean, minimum, and maximum diameters, heights, depths and volumes of the chemomechanically simulated ERR cavities obtained at four voxel sizes and measured using four different software in mm Mean Difference from gold standard(StDev) Minimum-Maximum
| Software | Voxel size (mm) | Diameter | Height | Depth | Volume |
| 0.075 | 0.025 (±0.060) 0.12–0.24 | 0.021 (±0.057) 0.14–0.1 | 0.041 (±0.050) −0.11–0.16 | 0.024 (±0.060) 0.12–0.10 | |
| 3D-Doctor | 0.1 | 0.029 (±0.050) 0.11–0.1 | 0.003 (±0.053) 0.11–0.1 | 0.028 (±0.052) −0.11–0.13 | 0.007 (±0.067) 0.13–0.1 |
| 0.15 | 0.005 (±0.052) −0.09–0.1 | 0.001 (±0.053) −0.09–0.1 | 0.034 (±0.044) −0.1–0.11 | 0.001 (±0.054) −0.11–0.1 | |
| 0.2 | 0.005 (±0.053) −0.11–0.18 | 0.007 (±0.048) 0.1–0.09 | 0.035 (±0.044) −0.09–0.21 | 0.002 (±0.053) −0.1–0.1 | |
| 0.075 | 0.007 (±0.044) −0.08–0.09 | 0.009 (±0.044) 0.11–0.09 | 0.026 (±0.054) −0.11–0.14 | 0.029 (±0.056) −0.09–0.13 | |
| ITK-SNAP | 0.1 | 0.008 (±0.052) −0.1–0.09 | 0.012 (±0.048) −0.08–0.22 | 0.017 (±0.050) −0.1–0.12 | 0.019 (±0.052) −0.1–0.14 |
| 0.15 | 0.017 (±0.049) −0.1–0.12 | 0.007 (±0.057) −0.24–0.09 | 0.024 (±0.047) −0.1–0.11 | 0.025 (±0.047) −0.08–0.1 | |
| 0.2 | 0.005 (±0.051) −0.1–0.09 | 0.002 (±0.051) 0.09–0.1 | 0.019 (±0.042) −0.1–0.11 | 0.018 (±0.053) −0.1–0.11 | |
| 0.075 | 0.004 (±0.052) −0.1–0.1 | 0.005 (±0.051) 0.11–0.1 | 0.028 (±0.049) −0.1–0.1 | 0.027 (±0.049) −0.09–0.1 | |
| OsiriX | 0.1 | 0.006 (±0.054) −0.1–0.1 | 0.008 (±0.053) 0.1–0.1 | 0.017 (±0.050) −0.1–0.1 | 0.026 (±0.051) −0.1–0.1 |
| 0.15 | 0.005 (±0.053) −0.1–0.1 | 0.002 (±0.047) −0.1–0.09 | 0.039 (±0.038) −0.08–0.1 | 0.020 (±0.055) −0.1–0.1 | |
| 0.2 | 0.009 (±0.056) 0.1–0.1 | 0.009 (±0.058) 0.1–0.1 | 0.027 (±0.054) −0.1–0.1 | 0.015 (±0.054) −0.1–0.1 | |
| 0.075 | 0.011 (±0.041) −0.07–0.13 | 0.008 (±0.041) −0.08–0.1 | 0.035 (±0.049) −0.1–0.34 | 0.036 (±0.030) 0.46–0.57 | |
| Planmeca | 0.1 | 0.007 (±0.076) −0.07–0.13 | 0.016 (±0.047) −0.08–0.1 | 0.035 (±0.040) −0.08–0.1 | 0.080 (±0.085) 0.08–0.1 |
| 0.15 | 0.008 (±0.043) −0.1–0.1 | 0.007 (±0.051) −0.24–0.1 | 0.031 (±0.052) −0.1–0.27 | 0.053 (±0.030) 0.46–0.66 | |
| 0.2 | 0.004 (±0.041) −0.1–0.1 | 0.047 (±0.051) −0.08–0.1 | 0.047 (±0.052) −0.09–0.1 | 0.080 (±0.085) 0.46–0.47 |
ERR,external root resorptions; SD, standard deviation.
Meandifference from gold-standard (SD) minimum–maximum.
a
Mean difference from the gold standard in mm.
b
Mean difference from the gold standard in mm³.