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the claim
Myofunctional therapy and nasal dilators reduce mouth breathing during sleep.
the verdict
SUPPORTED
the evidence backs this
Recorded sources
4 sources for · 0 against
Is it true that Myofunctional therapy and nasal dilators reduce mouth breathing during sleep?
Yes. Multiple clinical reviews and trials support the efficacy of myofunctional therapy and nasal dilators in improving airway function, reducing snoring, and managing mouth breathing during sleep.
Verdict: SUPPORTED · 4 sources for, 0 against · Last checked
The analysis
Papers 1, 7, 9, and 10 provide positive evidence supporting the use of myofunctional therapy and/or nasal dilators (as part of combined airway therapies) in reducing sleep-disordered breathing, snoring, and mouth breathing. No retrieved papers contradict this claim.
Evidence for · 4
The review shows that myofunctional therapy improves muscle tone and reduces sleep apnoea symptoms linked to sleep-disordered breathing.
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Carrasco-Llatas, M., O’Connor-Reina, C., & Calvo-Henríquez, C. (2021). The Role of Myofunctional Therapy in Treating Sleep-Disordered Breathing: A State-of-the-Art Review. doi.org. https://doi.org/10.3390/ijerph18147291
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More for · 3
The review highlights myofunctional therapy as a promising non-surgical treatment option for pediatric sleep-disordered breathing.
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B, P., C, F., GF, S. P., P, D. F., A, D. L., S, D. P., F, C., A, S., & M, A. (2025). Three Decades of Managing Pediatric Obstructive Sleep Apnea Syndrome: What's Old, What's New.. doi.org. https://doi.org/10.3390/children12070919
The randomized clinical trial demonstrates that combined airway and positional therapy, which includes external nasal dilators, reduces snoring.
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P, I., A, A., F, H., W, S., D, K., YE, J., & JF, P. (2024). Mandibular Advancement vs Combined Airway and Positional Therapy for Snoring: A Randomized Clinical Trial.. doi.org. https://doi.org/10.1001/jamaoto.2024.1035
The review notes that orofacial myofunctional therapy is effective for correcting improper mouth breathing habits.
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Y, D., Y, X., S, H., M, G., L, W., S, X., T, G., & H, B. (2025). Clinical features, pathophysiological mechanisms, and multidisciplinary management strategies for rhinitis-induced adenoid facies in children and adolescents: a review.. doi.org. https://doi.org/10.3389/falgy.2025.1650119
Receipt History
first checked04 Aug 2026
judged → SUPPORTED · 8404 Aug 2026
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