Functional appliances and airway in class II malocclusion : An umbrella review and re-analysis of three meta-analyses.

Functional appliances for class II malocclusion in growing patients significantly enlarged oropharyngeal airway volume, with effects varying by appliance type and treatment duration, though no studies measured patient-reported outcomes.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.