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Diameter Change of instrument before and after breakage at the laser marking site of 12 mm.
| Groups | n | Diameter before breakage (mm) | Diameter after breakage (mm) | P value |
| Distilled water (control group) | 20 | 0.7564 ± 0.0174 | 0.7545 ± 0.0211 | >.05 |
| 0.9% NaCl | 20 | 0.7560 ± 0.0200 | 0.7603 ± 0.0193 | >.05 |
| 0.2% chlorhexidine | 20 | 0.7568 ± 0.0153 | 0.7559 ± 0.0161 | >.05 |
| 1% sodium hypochlorite | 20 | 0.7523 ± 0.0141 | 0.7494 ± 0.0180 | >.05 |
| 5% sodium hypochlorite | 20 | 0.7544 ± 0.0181 | 0.7498 ± 0.0171 | >.05 |
