Table 2 Mean and standard deviation values of curvature and removed dentin volume with two voxel sizes
Angle of curvature | Voxel size (0.125 mm3) | n | Mean | Median | Standard deviation | p value |
|---|---|---|---|---|---|---|
Pre-instrumentation | ProTaper Next | 24 | 24.9 | 24.0 | 3.9 | 0.668 |
New One Shape | 22 | 23.2 | 23.0 | 2.8 | ||
Post-instrumentation | ProTaper Next | 24 | 22.4 | 21.2 | 3.3 | 0.620 |
New One Shape | 22 | 22.1 | 21.6 | 2.9 | ||
Root canal volume | ||||||
Pre-instrumentation (mm3) | ProTaper Next | 24 | 9.5 | 9.0 | 1.7 | 0.578 |
New One Shape | 22 | 9.5 | 9.9 | 1.5 | ||
Post-instrumentation (mm3) | ProTaper Next | 24 | 13.2 | 11.8 | 2.7 | 0.421 |
New One Shape | 22 | 12.9 | 11.6 | 1.9 | ||
Angle of curvature | Voxel size (0.100 mm3) | n | Mean | Median | Standard deviation | p value |
Pre-instrumentation | ProTaper Next | 24 | 24.6 | 24.0 | 3.8 | 0.518 |
New One Shape | 22 | 24.1 | 23.8 | 3.2 | ||
Post-instrumentation | ProTaper Next | 24 | 22.8 | 21.9 | 3.6 | 0.648 |
New One Shape | 22 | 22.2 | 21.6 | 3.0 | ||
Root canal volume | ||||||
Pre-instrumentation (mm3) | ProTaper Next | 24 | 9.6 | 9.0 | 1.9 | 0.528 |
New One Shape | 22 | 9.7 | 10.0 | 1.6 | ||
Post-instrumentation (mm3) | ProTaper Next | 24 | 13.5 | 12.0 | 3.1 | 0.454 |
New One Shape | 22 | 12.3 | 11.5 | 1.7 | ||