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Comparison of residual filling material between WaveOne and Hedstrom file (mean±standard deviation)
| Section | Wave One | Hedstrom | Mean difference | 95% CI of difference | t-value | P |
|---|---|---|---|---|---|---|
| Coronal | 47.94±17.9 | 55.16±14.4 | 7.22 | -8.04–22.48 | 0.99 | 0.33 |
| Sagittal | 43.76±6.34 | 52.58±12.66 | 8.82 | -0.58–18.23 | 1.97 | 0.064 |
