45. Direct pulp capping (total‐etching with 36% phosphoric acid + acetone‐based total‐etch adhesive) versus direct pulp capping (acetone‐based total‐etch adhesive).
| Outcome | Time point (months) | No. of studies | Risk ratio (95% CI) |
| Clinical failure | 6 | 1 | Not estimable* |
| 12 and 24 | 1 | 3.00 (0.13 to 69.52) | |
| Radiological failure | 6 and 12 | 1 | 3.00 (0.13 to 69.52) |
| 24 | 1 | 7.00 (0.38 to 127.33) | |
| Pain | 6 | 1 | Not estimable* |
| 12 and 24 | 1 | 3.00 (0.13 to 69.52) | |
| Pathological radiolucency | 6 | 1 | Not estimable* |
| 12 and 24 | 1 | 3.00 (0.13 to 69.52) | |
| Pathological root resorption | 6, 12 and 24 | 1 | Not estimable* |
*due to lack of events
Abbreviation ‐ CI: confidence interval.