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Comparison of centering ability between the file systems at the cervical, middle, and apical levels
| Root canal level | Manual K-file (Group I) |
Kedo-S Square (Group II) |
Fanta AF™ Baby (Group III) |
X 2 | p-value | ||||
|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | ||||
| Cervical third | Perfect | 14 | 56.0 | 18 | 72.0 | 15 | 60.0 | 1.482 | 0.477 |
| Low | 11 | 44.0 | 7 | 28.0 | 10 | 40.0 | |||
| Middle third | Perfect | 14 | 56.0 | 17 | 68.0 | 16 | 64.0 | 0.798 | 0.671 |
| Low | 11 | 44.0 | 8 | 32.0 | 9 | 36.0 | |||
| Apical third | Perfect | 13 | 52.0 | 19 | 76.0 | 18 | 72.0 | 3.720 | 0.156 |
| Low | 12 | 48.0 | 6 | 24.0 | 7 | 28.0 | |||
