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Mean values and standard deviations of residual filling material in each group
| Area | Mtwo | ProTaper | WaveOne | Hedstrom | F-value | P |
|---|---|---|---|---|---|---|
| Apical | 12.76±1.52 | 13.69±1.31 | 13.80±1.20 | 15.13±1.87 | 4.24 | 0.01 |
| Middle | 8.56±0.89 | 9.17±1.32 | 9.30±1.20 | 10.13±1.13 | 3.17 | 0.04 |
| Coronal | 4.18±0.17 | 4.67±1.32 | 4.74±1.31 | 5.39±0.69 | 2.48 | 0.07 |
