Table 3.
Descriptive analysis of non-surgical endodontic retreatment working time (min) regarding the non-surgical endodontic retreatment study groups.
| n | Mean | SD | Minimum | Maximum | ||
|---|---|---|---|---|---|---|
| Non-Surgical Endodontic Retreatment Working Time | PTR | 33 | 5.27 * | 0.72 | 4.20 | 7.33 |
| RCB50 | 33 | 2.93 * | 0.61 | 2.17 | 4.40 | |
| H-GG | 33 | 7.13 * | 0.87 | 5.16 | 8.50 |
* Statistically significant differences between groups (p < 0.05). PTR: ProTaper Retreatment endodontic rotary instruments; RCB50: Reciproc Blue endodontic reciprocating instrument; H-GG: combined root canal retreatment technique between Gates-Glidden drills and Hedstrom files.