Table 1.
Intragroup comparison of percentage of residual filling material at three different root canal levels
| Group | Canal segment | Percentage of residual filling material | F | P |
|---|---|---|---|---|
| Group 1A (AH plus with NeoEndo R) | Coronal-third | 22.98±16.40 | 0.974 | 0.386 (NS) |
| Middle-third | 29.99±21.77 | |||
| Apical-third | 34.63±29.09 | |||
| Group 1B (AH plus with PTUR) | Coronal-third | 15.64±11.86 | 0.260 | 0.772 (NS) |
| Middle-third | 18.89±16.98 | |||
| Apical-third | 19.51±17.84 | |||
| Group 2A (BioRoot RCS with NeoEndo R) | Coronal-third | 13.81±12.25 | 0.469 | 0.629 (NS) |
| Middle-third | 18.20±16.82 | |||
| Apical-third | 19.06±18.09 | |||
| Group 2B (BioRoot RCS with PTUR) | Coronal-third | 26.06±15.42 | 0.861 | 0.430 (NS) |
| Middle-third | 31.93±26.25 | |||
| Apical-third | 37.12±25.94 |
*One-way ANOVA test. ANOVA: Analysis of variance, PTUR: ProTaper Universal retreatment system, NS: Not significant, RCS: Root canal sealer