Table 1. Degree of straightening of root canal curvature.
| Mean (SD) of canal curvature | ||
|---|---|---|
| Groups | preoperative | postoperative |
| Mtwo(n=20) | 29.97±2.55 | 28.24±2.40 |
| Race(n=20) | 30.03±2.56 | 26.62±1.35 |
| Medin(n=20) | 29.99±2.56 | 26.47±1.23 |
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