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The mean and standard deviation values of the canal transportation and centering ratio at the three studied levels (3, 5, and 7 mm) for each tested group
| Level (mm) | Assessment | 2Shape | WaveOne Gold | ProTaper Gold |
|---|---|---|---|---|
| 3 | Transportation | 0.07±0.03 | 0.09±0.02 | 0.11±0.02 |
| Centering ratio | 1.4±0.13 | 1±0.15 | 0.63±0.15 | |
| 5 | Transportation | 0.06±0.03 | 0.06±0.015 | 0.13±0.015 |
| Centering ratio | 1.6±0.15 | 1.35±0.14 | 0.8±0.13 | |
| 7 | Transportation | 0.05±0.035 | 0.065±0.02 | 0.14±0.02 |
| Centering ratio | 1.67±0.13 | 1.55±0.15 | 0.9±0.15 |
