Jefferson · General dentistry 2010 · narrative review · n=?

Mouth breathing: adverse effects on facial growth, health, academics, and behavior.

Cited 91 times in the scientific literature.

Level 5 - mechanism / opinion, no new human data

Narrative review and expert commentary without systematic search methodology or original human data.

PubMed 20129889 · record verified 2026-08-26

What was done

This paper provides a narrative review and clinical overview discussing the adverse impacts of upper airway obstruction and mouth breathing on pediatric facial development, sleep quality, and behavior.

What was found

The abstract provides no empirical numbers, statistics, or effect sizes. It describes clinical associations between untreated mouth breathing and elongated facial features, high palatal vaults, dental malocclusion (Class II or Class III), sleep disturbances, impaired academic performance, and potential misdiagnosis of attention deficit disorder and hyperactivity.

Why it matters

It highlights the role of dental and medical providers in early screening for pediatric airway obstruction to potentially prevent adverse dentofacial and behavioral consequences.

Limits

The abstract describes an expert review or commentary rather than an empirical trial or systematic review. No sample size, control group, quantitative outcomes, or methodological details are reported.

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