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. 2021 Dec 31;2021(12):CD003453. doi: 10.1002/14651858.CD003453.pub2

Comparison 15. Eruption guidance appliance versus no active treatment (control).

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
15.1 Maxillary incisor crowding (pre‐treatment and 1 year) 1   Odds Ratio (M‐H, Fixed, 95% CI) Subtotals only
15.1.1 Pre‐treatment 1 46 Odds Ratio (M‐H, Fixed, 95% CI) 2.40 [0.73, 7.92]
15.1.2 1 year post‐treatment 1 46 Odds Ratio (M‐H, Fixed, 95% CI) 0.82 [0.25, 2.63]
15.2 Mandibular incisor crowding (pre‐treatment and 1 year) 1   Odds Ratio (M‐H, Fixed, 95% CI) Subtotals only
15.2.1 Pre‐treatment 1 46 Odds Ratio (M‐H, Fixed, 95% CI) 2.02 [0.60, 6.83]
15.2.2 1 year post‐treatment 1 46 Odds Ratio (M‐H, Fixed, 95% CI) 0.19 [0.05, 0.68]