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Incidence of cracks in individual groups.
| Number of cracks (n=10) | Percentage of cracks | Significance (p) value at WL and WL-1 | |
|---|---|---|---|
| Group I (K-files WL) | 4 | 40% | p=0.628 |
| Group II (K-files WL-1) | 2 | 20% | |
| Group III (RaCe WL) | 6 | 60% | p=0.057 |
| Group IV (RaCe WL-1) | 1 | 10% | |
| Group V (K3 WL) | 4 | 40% | p=0.087 |
| Group VI (K3 WL-1) | 0 | 0% |
* Descriptive statistical analysis. Chi-square test was carried out to find out the level of significance between two or more groups.
