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Incidence of cracks among three instrumentation groups irrespective of instrumentation lengths.
| Hand K-files (Group I + Group II) (n=20) | Rotary RaCe files (Group III +Group IV) (n=20) | rotary K3 files (Group V+ Group VI) (n=20) | |
|---|---|---|---|
| Total number of cracks | 6 | 7 | 4 |
| Percentage of cracks | 30% | 35% | 20% |
p=0.563. Descriptive statistical analysis. Chi-square test was carried out to find out the level of significance between two or more groups.
