Airway orthodontics

Airway orthodontics, or airway-aware orthodontics, means planning orthodontic treatment with attention to how a patient breathes and sleeps, not only how the teeth line up. It is a defining focus at myORTHODONTIST, and it rests on a simple observation: the jaws are the walls and floor of the airway, so how they grow shapes how a person breathes for life. This page explains what is well established, where orthodontics can make a real difference, and where the role is one of screening and collaboration rather than cure. The relationship between orthodontic treatment and breathing is patient-specific, which is why every assessment at the clinic includes the airway.

What is well established

• Chronic mouth breathing in children is associated with a longer, narrower face, a narrow upper jaw, a high palate, crowding and open bites. The direction of cause is debated, but the association is consistent.
• Snoring in children is not normal. Habitual snoring, restless sleep, bedwetting past the usual age, daytime tiredness or behaviour problems can be signs of sleep-disordered breathing, which in children is most often linked to enlarged tonsils and adenoids.
• Rapid palatal expansion, the standard orthodontic treatment for a narrow upper jaw, also widens the floor of the nose. Studies consistently show improved nasal airflow after expansion in children with narrow palates, and several show improvement in sleep-breathing measures in selected children.
• Sleep apnea itself is a medical diagnosis, made by a physician, usually with a sleep study. The American Association of Orthodontists' 2019 white paper on obstructive sleep apnea describes the orthodontist's role as screening, referring, and treating the dental and skeletal contributors in coordination with the medical team. In growing children, those skeletal contributors are often exactly what orthodontics is best placed to change.

What orthodontics can do

• Screen every child. A few questions about snoring, sleep and breathing, plus a look at the tonsils, palate and facial pattern, take two minutes and are part of every assessment at this clinic.
• Refer. Children with signs of sleep-disordered breathing are referred to their family physician, and often to an ENT specialist, before or alongside orthodontic treatment. Adenotonsillectomy remains the first-line treatment for most childhood sleep apnea.
• Expand a narrow upper jaw at the age when the mid-palatal suture still opens easily, usually before 12 to 14. Widening the palate widens the nasal floor, and in the right child this improves nasal breathing as well as creating room for the teeth.
• Guide jaw growth with functional appliances in children whose lower jaw sits far back, which can enlarge the space behind the tongue. Setting the jaw foundation correctly during growth is central to the clinic's approach and is also the best chance of avoiding extractions or jaw surgery later.
• Avoid planning choices that narrow the airway. In some patients, retracting the front teeth far back or over-narrowing arches can reduce tongue space. Airway-aware planning weighs this.
• In adults, oral appliances that hold the lower jaw forward are an accepted treatment for mild to moderate sleep apnea and for people who cannot tolerate CPAP, prescribed after a physician's diagnosis. Orthodontic and surgical jaw advancement is an option in severe cases.

Where the limits are

Orthodontics does not replace a sleep study, and it works alongside physicians and ENT specialists rather than instead of them. Expansion does not help every mouth breather; some children breathe through the mouth from habit or allergy with a normal palate, and for them the answer lies elsewhere. Which children and adults benefit, and how much, is individual, which is why the clinic assesses each patient rather than promising an outcome. What airway-aware care offers is earlier recognition, the right referrals, and treatment that addresses the jaw foundation while a child is still growing.

Signs worth mentioning at an assessment

• Snoring more than occasionally, or pauses in breathing during sleep
• Mouth open at rest, especially during the day
• Restless sleep, sweating, unusual positions, bedwetting past age 6 or 7
• Difficulty waking, daytime tiredness, or hyperactivity and attention difficulties
• Frequent colds, allergies, chronic stuffy nose
• Teeth grinding, dark circles under the eyes, a long narrow face, gummy smile

Where to read more

Sleep and breathing orthodontics covers assessment and treatment pathways for children and adults. Mouth breathing in children and snoring in kids is not normal are written for parents. Dr. Kanani's broader work on airway-aware practice is at airwayorthodontics.ca.