
Does Myofunctional Therapy Help Adults or Is It Just for Kids?
Does Myofunctional Therapy Really Help Adults or Is It Just for Kids?
If you search for help with mouth breathing, sleep disruption, or stubborn jaw tension, you will quickly find the term Orofacial Myofunctional Therapy. Many adults pause here. They assume this is a pediatric specialty, something for braces and habits that should have been fixed years ago. The fair question is simple, does myofunctional therapy really help adults, or is it only for kids?
This article takes an objective, journalist style look at what myofunctional therapy is, why mouth breathing matters at any age, how adult outcomes compare with children, where Buteyko Breathing Techniques fit, and how a practical framework can move you from curiosity to concrete results. The goal is clarity, not hype.
The adult mouth breathing puzzle
Mouth breathing looks harmless. For many adults it is automatic during work, exercise, or sleep. But it carries hidden costs. Habitual mouth breathing dries the oral tissues, can worsen gum inflammation, can increase snoring risk, and is linked with sleep disordered breathing. Over time, some adults also notice changes in oral muscle function, jaw comfort, and energy. Authoritative clinical resources define orofacial myofunctional disorders as disturbances in the muscles and patterns of the face and mouth that interfere with normal function and development, including issues like open mouth posture, tongue thrust, and dysfunctional swallow.
When you look closer, a few themes repeat across the research and clinical guidance.
Mouth breathing is associated with altered craniofacial posture and function. Reviews describe links between oral breathing, changes in head and mandibular posture, altered tongue posture, and palatal shape. These relationships are complex and bidirectional, but they matter for comfort and long term oral stability.
Mouth breathing correlates with sleep issues and reduced daytime vitality. Popular summaries capture the health risks, while clinical sources recommend ruling out nasal obstruction, allergies, or sleep apnea and then retraining breathing and oral posture where appropriate.
Speech development and articulation can be affected when resting posture is off. Professional guidance notes that open mouth behavior and incorrect tongue resting position can coexist with speech sound errors, and that correcting resting posture may support clearer speech.
This is the adult puzzle. You may not be a candidate for jaw growth changes like a child, but function, comfort, sleep quality, and tongue posture remain trainable skills. That is where Orofacial Myofunctional Therapy fits.

What myofunctional therapy is, and why it is not just cosmetic
Orofacial Myofunctional Therapy is a structured exercise program for the muscles of the tongue, lips, cheeks, and throat, guided by a trained provider. The aim is to restore efficient patterns of nasal breathing, lip seal, neutral jaw rest, and a stable tongue posture against the palate. Trusted health systems describe the approach as targeted training for eating, breathing, swallowing, and related functions. When used for specific conditions, myofunctional therapy can be part of team care with dentistry, orthodontics, sleep medicine, ENT, and speech language pathology.
Adults often ask whether it is too late to change. It is true that skeletal growth opportunities in children are unique, however adults can improve muscle strength, coordination, and resting posture. In other words, you can still change the software, even if some hardware is set.
The costs of leaving mouth breathing unsolved
If mouth breathing is only a habit, why bother? Because the habit can ripple into other systems.
Sleep and energy, habitual mouth breathing is tied to snoring and sleep disordered breathing for some adults. Snoring by itself can be socially disruptive and is a marker of airway instability. In patients with obstructive sleep apnea, poor sleep quality carries cardiometabolic risks and drains daytime performance. While mouth breathing is not the sole cause, it is a consistent contributor that can often be modified.
Oral health, persistent dry mouth increases cavity risk and gum irritation. A low or forward tongue posture can also contribute to malocclusion relapse after orthodontics and can complicate chewing and swallowing patterns. Over time, jaw muscles may overwork to compensate, which can contribute to tension and discomfort. Professional and peer reviewed sources emphasize the relationships between tongue posture, oral function, and stability.
Speech development and clarity, although most articulation learning happens earlier in life, adults with myofunctional patterns can still experience unclear sibilants or a forward tongue pattern during certain sounds. Correcting resting posture and retraining movement patterns may support clearer, more reliable speech.
In short, the cost of inaction is not one dramatic event, it is cumulative drag on sleep, energy, oral comfort, and confidence.

A practical path that works for adults
What does a realistic plan look like for an adult who wants to address mouth breathing and its health implications? Think of it in four phases.
Assess, rule out, then align goals
Start with screening, not guessing. A qualified clinician looks for nasal obstruction, deviated septum, enlarged turbinates, allergies, or tonsil issues. If any of these block nasal airflow, appropriate medical care is step one. If sleep apnea is suspected, a sleep study and discussion with a sleep specialist comes first. Once red flags are handled, a myofunctional evaluation reviews current breathing patterns, lip seal, tongue posture, swallow, and speech characteristics. This ensures you train the right thing, not everything. Clinical practice portals outline comprehensive elements of an orofacial myofunctional assessment, including history, structural factors, and functional tests.
Retrain breathing mechanics with Buteyko Breathing Techniques
Buteyko Breathing Techniques focus on calm nasal breathing, reduced mouth breathing, and improved tolerance to nasal airflow. Trials and reviews, many in asthma and dysfunctional breathing, suggest that structured breathing exercises can improve symptoms, quality of life, and in some studies reduce medication use, although evidence quality and protocols vary. For mouth breathing, Buteyko offers practical drills that reduce over breathing and encourage nasal routes. It is not a cure all, but it is a useful component when taught correctly and monitored.
Build Orofacial Myofunctional Therapy skills, tongue posture, lip seal, oral muscle function
This is where targeted exercises strengthen and coordinate the oral and facial muscles. Programs commonly include tongue to palate suction holds, lateralization, elevation, and controlled chewing and swallowing patterns, along with lip seal work. Studies in both orthodontic and speech related contexts report improvements in tongue position and function, increased tongue to palate contact, enhanced lip competence, and better breathing type after structured therapy periods. Results vary by diagnosis and adherence, but the direction of change is consistent.
Adults frequently ask about timeframes. Meta analyses in sleep medicine show that myofunctional therapy can reduce apnea hypopnea index by about 50 percent in adults, which is meaningful in the right clinical context, and is usually considered an adjunct to other treatments. This does not replace medical care for obstructive sleep apnea and it works best when the airway is otherwise managed, for example with CPAP adherence or oral appliance therapy when indicated. Evidence continues to evolve, with some reviews calling for more high quality randomized trials, which is a fair and responsible perspective.
Integrate for daily life, sleep, speech, and exercise
The final step is translating skills into real life. That means reminders for lips together, teeth apart, tongue to palate during quiet work. It means nasal breathing during sleep with positional strategies and an appropriate mask if you use CPAP. It means applying calm nasal breathing during light exercise. And it means reinforcing clearer speech patterns once resting posture is stable, since speech clarity relies on both placement and timing.

Adult outcomes, what the research says
Let us put findings in plain terms.
Sleep and snoring, randomized and controlled trials show that oropharyngeal exercises can reduce snoring intensity and frequency, and systematic reviews report that myofunctional therapy can cut apnea hypopnea index for adults with obstructive sleep apnea by about half when used as an adjunct. This is encouraging, not absolute, and it depends on doing the work.
Tongue posture and oral function, prospective and observational work in orthodontic and speech contexts report improved tongue strength, more consistent tongue to palate contact, better lip seal, and a shift toward nasal breathing. These findings fit the goal of stable tongue posture and efficient oral muscle function in adults.
Speech development in adults, clinical guidance indicates that correcting resting posture can support improvement in certain speech sound patterns when open mouth posture or low tongue rest is part of the problem. This supports adding therapy when speech clarity and fatigue are concerns.
Caveats and equity, some studies find little change for specific subgroups, for example habitual snoring in obese patients, which reminds us that patient selection and a team approach matter. Evidence quality varies across conditions, and more randomized trials are still needed, especially in adults with different comorbidities.
If you are an adult wondering whether it is too late, the practical translation is this, for the right problems and with consistent practice, adults can improve function, sleep related symptoms, and comfort. That is the signal in the data.
Where Buteyko Breathing Techniques fit with OMT
Many clinics pair Buteyko with myofunctional therapy because breathing behavior and oral muscle behavior are intertwined. Buteyko promotes calm nasal breathing and better respiratory control, which supports keeping the lips sealed and tongue resting on the palate. Meanwhile, myofunctional exercises build the muscular capacity and proprioception to hold that posture without strain.
The research base for Buteyko includes controlled trials in asthma and dysfunctional breathing. Results commonly show improved symptoms and quality of life, though protocols and measures vary, and more study is warranted in strictly adult mouth breathing populations. As a practical matter, a combined program helps adults implement the full skill set, not just one component.
Subtle Positioning, how a therapist led plan fits without hard selling
A sensible plan does not require hype. It requires sequence and support.
Start with an evaluation that screens airway and sleep, then maps your current patterns.
If needed, involve ENT or sleep specialists to clear the nasal route and stabilize sleep.
Layer Buteyko Breathing Techniques to restore calm nasal breathing day and night.
Add Orofacial Myofunctional Therapy to train tongue posture, lip seal, and efficient swallow.
Use short, daily home practice with simple tracking, and aim for three months of consistency before you judge results.
If you choose to work with orofacial myofunctional therapists, look for training, certification, and experience with adult cases. This is not about a quick fix, it is about building reliable skills that you keep. Clinics that integrate breathing retraining with muscle training often provide the simplest path since you are not trying to assemble the plan alone.
Frequently asked adult questions, answered quickly
Is myofunctional therapy only for kids? No. Evidence shows functional gains in adults, especially for sleep related symptoms, tongue posture, and lip seal. Adults often need more consistency because habits are older, but progress is common.
How long does it take? Expect several weeks to begin noticing changes, and around three months for clearer, more stable results. Timelines vary with diagnosis and adherence, and therapy is often adjunctive to medical care for conditions like sleep apnea.
Will this help my speech? If your speech challenges are linked to open mouth posture or low tongue rest, improving resting position and movement patterns can help. A speech language pathologist can co manage for best results.
Do I need Buteyko or similar breathing work too? Breathing retraining and myofunctional training reinforce each other. Many adults benefit from both, since one addresses respiratory behavior and the other addresses oral muscle function.
What is a realistic goal? Aim for nasal breathing at rest and during light activity, reliable lip seal, a comfortable tongue to palate posture, and quieter nights. If you have sleep apnea, keep working with your sleep specialist while you build these skills.
Adults can change function, that is the point
Adults do not get a second childhood, however adults do get new habits, stronger muscles, and better breathing patterns. The literature supports meaningful improvements in function and symptoms when orofacial myofunctional therapy is used in the right context, often alongside Buteyko Breathing Techniques and responsible medical care. That makes the adult question less about whether you are too late, and more about whether you are ready to train the skills that unlock better sleep, cleaner speech patterns, and a calmer, healthier pattern of breathing.
If you are reading this because mouth breathing has become your normal, you do not have to keep it that way. The plan is not complicated, assess, clear the airway if needed, retrain breathing, build oral muscle function, and practice with simple daily steps. Adults can change. Your energy and comfort are worth it.
Discover how to Identify Orofacial Myofunctional Disorders and how Orofacial Myofunctional Therapy can help - read our recent article here..