Airway and dentistry
The Breath Reset
Mouth breathing during sleep is the single most under-recognized pattern we see in the dental chair. It quietly shapes the face during childhood, dries out the gums during adulthood, and contributes to the chronic fatigue that gets diagnosed as a hundred other things.
By Dr. Stephen LaDuque, DDS · Dental Excellence Stephenville · 2025-09-15
The case for nasal breathing
Nose breathing humidifies, filters, and warms incoming air. It produces nitric oxide, which dilates blood vessels and helps oxygen exchange. It quietly shapes the palate during growth, supports lymphatic drainage, and signals the parasympathetic nervous system that you are safe.
Mouth breathing does none of these things. It dries the airway, encourages cavities, narrows the palate during growth, and keeps the body in a low-grade fight-or-flight state.
A short reset
- During the day, close your lips and breathe through the nose. Notice when you drift to mouth breathing.
- At night, try a small piece of medical tape over the lips to encourage nasal breathing during sleep, only if your nose is clear.
- If your nose is chronically blocked, see an ENT. The fix is rarely surgical at first; it is often allergy, septum, or turbinate.
- For kids, watch for snoring, mouth breathing during sleep, dark circles, restless sleep, or daytime fatigue. These are evaluation triggers.
Takeaway
A free airway evaluation in our Stephenville office reads the visible signs of how you breathe and what to do about it.
The library
Read more from the Wellness Guide
Short, practical pieces on the daily disciplines that hold the body together. Authored by Dr. LaDuque and the Dental Excellence team.
See the Wellness Guide