Comparison 9. HP mouthwash versus placebo.
Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
---|---|---|---|---|
1 Tooth whitening ‐ assessed by the dentist | 1 | (Random, 95% CI) | Subtotals only | |
1.1 1.5% HP + 0.05% F ‐ 6 months | 1 | 78 | (Random, 95% CI) | 10.89 [5.08, 23.35] |