Sleep & Airway
Airway & dental development
How the jaws and airway grow can affect breathing and tooth position.
Focus
Jaw and airway growth
Matters in
Childhood
Influences
Breathing habits
Care
Dentist and doctor
Overview
As children grow, the jaws and the space behind the nose and mouth develop together. Healthy growth supports clear breathing and room for the teeth.
Habits like long-term mouth breathing, or factors such as enlarged tonsils, may affect how the jaws develop. Early assessment can help, though many factors are involved and care is shared between your dentist and doctor.
What to know
- Jaws and airway grow together in childhood
- Healthy growth supports breathing and tooth space
- Mouth breathing may affect development
- Enlarged tonsils can play a part
- Care is shared between dentist and doctor
Common questions
Why does airway growth matter?
Good growth supports clear breathing and enough room for the teeth.
Can mouth breathing affect teeth?
Long-term mouth breathing may influence jaw growth and tooth position.
What is the dentist's role?
A dentist can notice signs and refer for medical assessment if needed.
Is treatment always needed?
No. Many children develop well. Assessment guides any care.
When should concerns be checked?
If there is regular snoring, mouth breathing or disturbed sleep.
Related topics
Sleep-disordered breathing (children)
Disturbed breathing in a child's sleep, which deserves careful checking.
Palatal expansion
Widening a narrow upper jaw to make more room and improve the bite.
Snoring in children
Frequent loud snoring in a child can be worth having checked.
Thumb & dummy sucking
Thumb and dummy sucking is normal early on but is best stopped by about age three.
Dr Rick Iskandar · Reviewed June 2026