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Diameter Change of instrument before and after breakage at the laser marking site of 9 mm.
| Groups | n | Diameter before breakage (mm) | Diameter after breakage (mm) | P value |
| Distilled water (control group) | 20 | 0.6517 ± 0.0146 | 0.6477 ± 0.0143 | >.05 |
| 0.9% NaCl | 20 | 0.6336 ± 0.0167 | 0.6356 ± 0.0147 | >.05 |
| 0.2% chlorhexidine | 20 | 0.6244 ± 0.0179 | 0.6287 ± 0.0157 | >.05 |
| 1% sodium hypochlorite | 20 | 0.6314 ± 0.0157 | 0.6353 ± 0.0140 | >.05 |
| 5% sodium hypochlorite | 20 | 0.6337 ± 0.0167 | 0.6234 ± 0.0156 | >.05 |
