Chronic mouth breathing changes how the face, jaw, and airway develop over time, and is often linked to poor sleep quality, low energy, and dental issues. Myofunctional therapy retrains the muscles of the tongue, lips, and cheeks to support consistent nasal breathing, addressing the habit at its root rather than just managing the symptoms.

A tongue-tie restricts the tongue's range of motion, which can affect feeding, speech, swallowing, and oral rest posture. Myofunctional therapy is often recommended before and after a frenectomy (tongue-tie release) to help the tongue learn proper movement patterns once it's able to move freely.

Enlarged tonsils and adenoids can obstruct the airway and push a child or adult toward chronic mouth breathing. In some cases, though, the relationship runs the other way — mouth breathing means air isn't being filtered and humidified by the nose first, which can contribute to tonsil and adenoid enlargement. Myofunctional therapy works by retraining the body toward nasal breathing and improving oral rest posture, which can help reduce tonsil and adenoid size over time. It's typically used alongside — not in place of — guidance from an ENT.

A narrow palate or dental arch is often linked to mouth breathing, low tongue posture, and improper swallowing patterns, and can contribute to crowding and bite issues. Correct tongue placement and swallow patterns can aid healthy jaw growth, especially in children. Sometimes palatal expansion is recommended, and in those cases, a referral to a trusted orthodontist is provided.

Braces and aligners can move teeth, but if the tongue, lips, and cheek muscles keep pushing against them the same way they did before treatment, teeth often drift back out of alignment. Myofunctional therapy addresses these underlying muscle patterns to help support orthodontic results long after the braces come off.

A tongue thrust is a swallowing pattern where the tongue pushes forward against or between the teeth instead of resting up against the roof of the mouth. Left unaddressed, it can contribute to an open bite, speech difficulties, and relapse after orthodontic treatment. Myofunctional therapy retrains the tongue to rest and swallow correctly.

Snoring, restless sleep, mouth breathing at night, and daytime hyperactivity or trouble focusing can all be signs of sleep-disordered breathing in kids. Myofunctional therapy addresses the underlying oral and airway function, often as part of a broader care plan that may include screening tools like a home sleep study.

For adults with mild to moderate OSA, myofunctional therapy can be a valuable complement to medical treatment, strengthening and retraining the muscles of the airway, tongue, and throat to support better breathing during sleep. It's used alongside — not as a replacement for — care from a sleep physician.

Jaw pain, clicking, clenching, and headaches can often be traced back to muscle imbalances, poor oral posture, or compensatory habits like teeth grinding. A tongue-tie can also be a contributing factor, since it can alter jaw position and muscle function over time. Myofunctional therapy helps retrain these patterns to ease strain on the jaw joint and surrounding muscles.