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Comparison of the mean distance from the tip of root canal filling to the radiographic apex in group I and group II in different subgroups.
| Variable | Group I | Group II | P value | |||||
| Number | Mean | SD | Number | Mean | SD | |||
| Tooth Position | Premolar teeth | 17 | -0.5 | 0.6 | 19 | -0.3 | 0.5 | 0.341 |
| Molar teeth | 50 | -0.4 | 0.5 | 57 | -0.3 | 0.5 | 0.381 | |
| Upper teeth | 36 | -0.5 | 0.6 | 55 | -0.3 | 0.5 | 0.270 | |
| Lower teeth | 32 | -0.4 | 0.4 | 29 | -0.4 | 0.3 | 0.963 | |
| Tooth Status | Vital | 19 | -0.6 | 0.6 | 24 | -0.3 | 0.6 | 0.829 |
| Non- vital | 48 | -0.4 | 0.4 | 50 | -0.4 | 0.4 | 0.152 | |
