Can Myofunctional Therapy Help Enlarged Tonsils in Children? A Non-Surgical Airway Approach

Many parents feel anxious when they are told their child may need their tonsils removed.

Often it isn’t because of frequent infections.

It’s because of breathing.

Snoring, mouth breathing, restless sleep, attention difficulties, teeth grinding, and crowded teeth frequently trace back to enlarged tonsils and airway obstruction. Surgery is sometimes necessary — but what many families don’t realize is this:

In many children, the tonsils are not the cause of the problem. They are reacting to it.

This is where myofunctional therapy can play an important role.

Enlarged Tonsils and Mouth Breathing in Children

Tonsils are part of the immune system. Their job is to monitor bacteria, viruses, and particles entering the airway.

When a child breathes through their nose, air is:

• filtered

• warmed

• humidified

• enriched with nitric oxide (a natural antimicrobial and oxygen-enhancing gas)

When a child breathes through their mouth, these protections are lost.

The tonsils now become the first line of defense — and they grow larger.

Enlarged tonsils are often not simply a disease. They are frequently a protective response to chronic mouth breathing.

Why Children With Large Tonsils Snore

Here is the cycle commonly seen in airway-focused dentistry:

When both tonsils and adenoids are enlarged, there is minimal airway space

1. Nasal obstruction (allergies, narrow palate, oral habits, or poor tongue posture)

2. Child begins mouth breathing

3. Air bypasses nasal filtration

4. Tonsils and adenoids work overtime

5. Tissue becomes chronically enlarged

6. Airway becomes smaller

7. Sleep quality worsens

8. Mouth breathing increases further

Snoring is actually the sound of air struggling to pass through a restricted airway.

At this point, surgery is often recommended because the tonsils are blocking the airway. However, removing tonsils does not automatically correct the breathing pattern. Many children continue mouth breathing after surgery, and adenoids can regrow if the underlying cause remains.

What Is Myofunctional Therapy?

Orofacial Myofunctional Therapy (OMT) is a specialized therapy that retrains the muscles of the tongue, lips, cheeks, and airway to function properly.

It focuses on:

• proper tongue resting position

• nasal breathing

• lip seal

• correct swallow pattern

• elimination of oral habits

Think of it as physiotherapy for the airway and facial muscles.

How Myofunctional Therapy Improves Airway Development

Myofunctional therapy does not directly “shrink” tonsils like a medication.Instead, it removes the reason they stay chronically inflamed.

Improved Nasal Breathing

The nose filters bacteria and produces nitric oxide, which helps sterilize inhaled air. When nasal breathing becomes consistent, the tonsils no longer need to compensate for unfiltered air.

Proper Tongue Posture

The tongue should rest on the roof of the mouth. This naturally:

• widens the upper jaw

• improves nasal airflow

• increases airway space

A wider airway means less irritation and less lymphoid tissue swelling.

Better Sleep Breathing

Children with enlarged tonsils often have sleep-disordered breathing. Therapy strengthens airway muscles and helps prevent airway collapse at night.

Reduced Chronic Inflammation

Mouth breathing dries tissues and increases bacterial exposure. Nasal breathing restores moisture and reduces throat inflammation.

Over time, many children show symptom improvement and sometimes a noticeable reduction in tonsil size — especially when therapy is combined with allergy care or orthodontic expansion.

Can My Child Avoid Tonsillectomy?

Myofunctional therapy is not a replacement for emergency medical treatment. Surgery may still be necessary for:

• severe obstructive sleep apnea

• oxygen desaturation

• recurrent strep infections

• growth or feeding concerns

However, therapy is extremely valuable:

• before surgery

• after surgery (to prevent relapse)

• or as a conservative first step

Many ENT specialists now recommend therapy because tonsillectomy does not retrain breathing habits.

What Research Shows

Studies demonstrate that improving oral and airway muscle function can significantly improve pediatric sleep-disordered breathing.

A systematic review found orofacial myofunctional therapy reduced obstructive sleep apnea severity in children by approximately 62%.

Airway-focused orthodontic research also supports treating function, not just removing tissue. Dr. Audrey Yoon of Stanford Sleep Medicine has published research showing abnormal tongue posture, mouth breathing, and craniofacial development are closely connected to pediatric airway obstruction. Treating the functional cause — including breathing patterns and tongue posture — is an important component of airway management, not only surgical removal of tissue.

Signs Your Child’s Tonsils May Be Airway-Related

Watch for:

• snoring

• mouth open during sleep

• restless sleep

• bedwetting

• teeth grinding

• dark circles under the eyes

• ADHD-like behavior

• crowded teeth

• long narrow face

• frequent illness

• picky eating or gag reflex

These are often airway symptoms rather than behavioral issues.

Why Early Treatment Matters

The face grows around the airway.

Chronic mouth breathing can lead to:

• narrow palate

• crowded teeth

• weaker jaw development

• smaller airway

Correcting breathing early can positively influence sleep quality, attention, facial growth, and orthodontic needs.

Pediatric Airway & Myofunctional Therapy in Brantford, Ontario

At Brantford Myofunctional Therapy Clinic, we provide airway-focused screenings for children who snore, mouth breathe, grind their teeth, or experience restless sleep. Many families seek care after being told their child has enlarged tonsils or may need a tonsillectomy.

Our goal is to identify contributing functional causes such as tongue posture, oral habits, and breathing patterns and support healthy airway development. We work collaboratively with dentists, orthodontists, physicians, and ENT specialists across Brantford, Brant County, Paris, St. George, and surrounding communities.

If you are concerned about your child’s breathing or sleep quality, you can request an airway screening at:

Call Brantford Myofunctional Therapy today!

The Goal: Treat the Cause, Not Just the Tissue

Tonsils enlarge because they are doing their job.

Myofunctional therapy helps restore the body’s natural breathing pattern — nasal breathing — so the tonsils no longer remain chronically activated.

For many children, this leads to improved sleep, behavior, and long-term health and may help families avoid or better support surgical treatment.

References

1. Villa MP et al. Orofacial myofunctional therapy in children with obstructive sleep apnea syndrome. Sleep & Breathing. 2015.

2. Camacho M et al. Myofunctional therapy to treat obstructive sleep apnea: systematic review and meta-analysis. Sleep. 2015.

3. Guilleminault C et al. Myofunctional reeducation in pediatric sleep-disordered breathing. Sleep Medicine. 2013.

4. American Academy of Otolaryngology–Head and Neck Surgery. Tonsillectomy in Children Clinical Practice Guideline Update. 2019.

5. Jefferson Y. Mouth breathing: adverse effects on facial growth and health. General Dentistry. 2010.

6. Souki BQ et al. Malocclusion in mouth-breathing children. Angle Orthodontist. 2009.

7. Zaghi S, Yoon A, et al. Lingual frenuloplasty with myofunctional therapy: safety and efficacy. Laryngoscope Investigative Otolaryngology. 2019.

8. Yoon A et al. Craniofacial growth modification and pediatric sleep-disordered breathing. Sleep. 2023.