7. Pulpotomy (MTA) versus pulpotomy (ZOE).
| Outcome | Time point (months) | No. of studies | Risk ratio (95% CI) |
| Clinical failure | 6 | 1 | Not estimable* |
| 12 | 1 | Not estimable* | |
| 24 | 1 | 0.20 (0.03 to 1.59) | |
| Radiological failure | 6 | 1 | 0.33 (0.01 to 7.81) |
| 12 | 1 | 0.20 (0.01 to 3.97) | |
| 24 | 1 | 0.10 (0.01 to 0.72) | |
| Overall failure | 6 | 1 | 0.33 (0.01 to 7.81) |
| 12 | 1 | 0.20 (0.01 to 3.97) | |
| 24 | 1 | 0.13 (0.02 to 0.93) | |
| Pain | 6 | 1 | Not estimable* |
| 12 | 1 | Not estimable* | |
| 24 | 1 | 3.00 (0.13 to 70.30) | |
| Pathological radiolucency | 6 | 1 | Not estimable* |
| 12 | 1 | Not estimable* | |
| 24 | 1 | 3.00 (0.13 to 70.30) | |
| Pathological root resorption | 6 | 1 | 0.33 (0.01 to 7.81) |
| 12 | 1 | 0.33 (0.01 to 7.81) | |
| 24 | 1 | 0.08 (0.00 to 1.30) | |
| Pulp canal obliteration | 6 | 1 | Not estimable* |
| 12 | 1 | 3.00 (0.13 to 70.30) | |
| 24 | 1 | 11.0 (0.64 to 188.96) | |
| Physiological root resorption | 6 | 1 | Not estimable* |
| 12 | 1 | Not estimable* | |
| 24 | 1 | 0.20 (0.01 to 3.97) |
*due to lack of events
Abbreviations ‐ CI: confidence interval; MTA: mineral trioxide aggregate; ZOE: zinc oxide and eugenol