17. Pulpotomy (Er:YAG laser) versus pulpotomy (CH).
| Outcome | Time point (months) | No. of studies | Risk ratio (95% CI) |
| Clinical failure | 6 | 1 | 0.31 (0.01 to 7.48) |
| 12 | 1 | 0.94 (0.60 to 14.52) | |
| 24 | 1 | 0.62 (0.11 to 3.56) | |
| Radiological failure | 12 | 1 | 0.56 (0.14 to 2.21) |
| 24 | 1 | 0.31 (0.11 to 0.90) | |
| Overall failure | 12 | 1 | 0.56 (0.14 to 2.21) |
| 24 | 1 | 0.31 (0.11 to 0.90) | |
| Pain | 6, 12 and 24 | 1 | Not estimable* |
| Soft tissue pathology | 6, 12 and 24 | 1 | Not estimable* |
| Pathological mobility | 6, 12 and 24 | 1 | Not estimable* |
| Pathological radiolucency | 12 | 1 | 0.31 (0.01 to 7.48) |
| 24 | 1 | 0.62 (0.11 to 3.56) | |
| Pathological root resorption | 12 | 1 | 0.94 (0.60 to 14.52) |
| 24 | 1 | 0.62 (0.11 to 3.56) |
*due to lack of events
Abbreviations ‐ CI: confidence interval; Er:YAG: erbium:yttrium‐aluminium garnet; CH: calcium hydroxide.