Comparison 6. Adverse effects.
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Staining of teeth at 6 months (Meckel Stain Score) | 1 | 325 | Mean Difference (IV, Fixed, 95% CI) | ‐0.15 [‐0.60, 0.30] |
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