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Data related to the choice of root-canal irrigants.
| Root-canal irrigants used | Concentration of NaOCl used | Concentration of H2O2 used |
||||||
| Type | Frequency | % | Concentration (%) | Frequency | % | Concentration (%) | Frequency | % |
| Sodium hypochlorite | 43 | 32.8 | 0.5 | 3 | 2.3 | 1 | 2 | 1.5 |
| Normal saline | 32 | 24.4 | 1 | 3 | 2.3 | 2 | 2 | 1.5 |
| Hydrogen peroxide | 44 | 33.6 | 2 | 8 | 6.1 | 3 | 28 | 21.4 |
| Local anesthetic solution | 2 | 1.5 | 3 | 19 | 14.5 | 4 | 2 | 1.5 |
| None | 10 | 7.6 | 5 | 3 | 2.3 | 6 | 10 | 7.6 |
| 6 | 5 | 3.8 | Do not use H2O2 | 87 | 66.4 | |||
| Do not use NaOCl | 88 | 67.2 | ||||||
