Main Points
Nose breathing is beneficial because it:
- Warms, moistens and filters the air
- Traps large particles with the nose hairs and small particles via mucous membranes
- Retains some moisture from exhaled air, preventing nasal dryness
- Regulates (slows) airflow because of the nose’s intricate structures
- Facilitates correct action of the diaphragm
- Promotes activity of the parasympathetic nervous system, which calms and relaxes the body, slows the breathing and the heart, promotes digestion
- Allows the correct position of the tongue (against the upper palate) and lips (together), assisting formation of the natural dental arches and straight teeth
- Reduces likelihood of snoring and apnoea.
Chronic mouth breathing may contribute to:
- Introduction of unfiltered, poorly humidified air into the lungs
- Upper-chest breathing (inefficient and tiring)
- Chronic over-breathing
- Greater incidence of snoring and sleep apnoea
- Bad breath, dental decay, gum disease
- Dysfunction of the jaw joint (temporomandibular joint disorders)
- Narrowing of the dental arch, jaw and palate
- Crowded and crooked teeth
- Open bite, malocclusion (teeth not fitting together properly)
- Dysfunctions of the muscles around the jaw and lips
- Trauma to soft tissues in the airways
- Enlarged tonsils and adenoids.
Breath by James Nestor - https://www.mrjamesnestor.com