Mouth breathing not only occurs in children but also commonly in adults. However, depending on the cause and time, the consequences can be serious. Let’s find out about this condition with Quoc Binh Dental to effectively overcome it.
Is mouth breathing abnormal?
Normally, we breathe through our nose. This is the natural respiratory process of humans.
But there are many cases where both adults and children experience mouth breathing all day or when sleeping. So is mouth breathing okay?
Nose breathing plays an important role because the respiratory process is an indispensable factor in controlling the body’s energy level. Nose breathing helps our body create feedback pressure so that the lungs have more time to absorb oxygen and balance the pH in the blood. Nose breathing also helps stimulate the central nervous system to regulate nasal ventilation. The natural structure of the nasal cavity and sinuses helps to purify and warm the air before it enters the lungs. In addition, the mucous membrane in the upper respiratory tract also helps to retain and destroy bacteria and viruses that cause disease and prevent them from entering the body.
When breathing through the mouth, the above reflexes are inadvertently bypassed, which can lead to sleep apnea or other cardiovascular problems.
Some causes of mouth breathing
- Asthma: the lining of the bronchial tubes will swell and become inflamed in response to irritants. As a result, the bronchial tubes will narrow, restricting air circulation and causing difficulty breathing. Most people with asthma will breathe through their mouths to quickly get air.
- Nasal congestion is also a common cause of the above breathing condition. Nasal congestion is often caused by diseases such as colds, flu, nasal allergies, chronic sinusitis, etc. When the nose is stuffy, it will lead to a narrowing of the nasal cavity and make it difficult for the patient to breathe through the nose.
- A deviated nasal septum will obstruct the flow of air through the nose, the patient’s breathing is impaired, creating a tendency to breathe through the mouth continuously to get air. (Note: the septum has the role of dividing the nasal cavity and supporting proper breathing)
- Cleft lip and palate are congenital malformations that affect the structure of the mouth. Breathing through the mouth in this case will last a lifetime until the patient undergoes surgery.
Nasal polyps develop in the nasal passages, causing airway constriction. Respiratory infections, asthma, allergies, and immune disorders can be the cause of nasal polyps. If left untreated, people with nasal polyps will often have the habit of breathing through the mouth more. - Excessive stress can lead to breathing through the mouth instead of the nose. According to many studies, when the brain is stressed, it will activate the sympathetic nervous system, leading to shallow, rapid, and irregular breathing.
- It can be seen that if the cause is determined, the patient should focus on treatment to gradually eliminate this bad habit. In addition, medical experts also warn that people who sleep with their mouths should quickly see a doctor for timely treatment.
- Some remedies include: devices to help shape the teeth, using decongestants, antihistamines, equipping air purifiers and humidifiers in the home.

A rather surprising consequence for many parents is that breathing through the mouth will cause deformation of many parts..
Refer specifically to “Consequences of breathing through the mouth”

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QUOC BINH DENTAL CLINIC (formerly VUNG TAU)
General Director – Dr. PHAN QUOC BINH
Add 1: 19 Pham Hong Thai, Tam Thang Ward, Ho Chi Minh City.
09148399 66/ (0254) 383 99 66
ADD 2: 28 Le Loi, Vung Tau Ward, Ho Chi Minh City.
(0254) 381 83 18 / 0942 231 212
Add 3: 649 Truong Cong Dinh, Tam Thang Ward, Ho Chi Minh City
Doctor in charge: Dr NGUYEN HUU CHIEN
0708 649 649
Working hours: 7:30-11:30, 14:00-20:30
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