Table 7: Mean Score of Smear Layer at the Apical Level among the Study Group.
| Experiment | Mean ± SD | 'U' Statistics | Significance |
| M- Group | 3.07 ±0.96 | 60.00 | p< 0.05* |
| P- Group | P- Group | ||
| * Statistically significant | |||
| Experiment | Mean ± SD | 'U' Statistics | Significance |
| M- Group | 3.07 ±0.96 | 60.00 | p< 0.05* |
| P- Group | P- Group | ||
| * Statistically significant | |||