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Diameter Change of instrument before and after breakage at the laser marking site of 15 mm.
| Groups | n | Diameter before breakage (mm) | Diameter after breakage (mm) | P value |
| Distilled water (control group) | 20 | 0.9124 ± 0.0206 | 0.9129 ± 0.0149 | >.05 |
| 0.9% NaCl | 20 | 0.9209 ± 0.0128 | 0.9194 ± 0.0193 | >.05 |
| 0.2% chlorhexidine | 20 | 0.9138 ± 0.0208 | 0.9122 ± 0.0248 | >.05 |
| 1% sodium hypochlorite | 20 | 0.9129 ± 0.0244 | 0.9120 ± 0.0233 | >.05 |
| 5% sodium hypochlorite | 20 | 0.9006 ± 0.0262 | 0.9045 ± 0.0217 | >.05 |
