Link Between Misaligned Teeth and Allergic Rhinitis: What You Need to Know - Dentistry

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Dental misalignment and allergies?


Doctor, I have had crooked teeth since childhood and also suffer from severe post-nasal drip.
Is there a connection between the two? If so, is it still possible to correct my teeth now?

A-Jing, 20~29 year old female. Ask Date: 2015/10/02

Dr. Zeng Guanghui reply Dentistry


The above condition may be caused by chronic allergic rhinitis and sinusitis.
It is recommended to consult an orthodontist for further diagnosis and treatment.

Reply Date: 2015/10/02

More Info


Misaligned teeth and allergic rhinitis may seem unrelated at first glance, but there is a growing body of evidence suggesting that dental alignment can influence nasal function and overall oral health. When teeth are misaligned, they can affect the way a person breathes, which in turn can exacerbate conditions like allergic rhinitis.
Allergic rhinitis, commonly known as hay fever, is characterized by symptoms such as sneezing, runny or stuffy nose, and itchy eyes. It is caused by an allergic reaction to airborne substances, such as pollen, dust mites, or pet dander. The nasal passages can become inflamed and congested, leading to discomfort and difficulty breathing.
On the other hand, misaligned teeth can lead to a variety of dental issues, including uneven wear on teeth, jaw pain, and temporomandibular joint (TMJ) disorders. When teeth are not properly aligned, it can affect the way the jaw closes and how air flows through the mouth and nasal passages. This misalignment can lead to mouth breathing, which is often associated with allergic rhinitis. Mouth breathing can dry out the oral cavity and lead to further complications, such as gum disease and bad breath.

Moreover, there is a connection between oral health and respiratory health. Studies have shown that individuals with poor oral hygiene or dental issues may be more prone to respiratory infections and conditions like asthma. This is likely due to the bacteria present in the mouth that can be inhaled into the lungs, leading to inflammation and infection.

If you have been experiencing severe nasal congestion and have a history of misaligned teeth, it is advisable to consult with both an orthodontist and an allergist. An orthodontist can evaluate your dental alignment and discuss potential treatment options, such as braces or clear aligners, to correct the misalignment. This could potentially improve your breathing and reduce the severity of your allergic rhinitis symptoms.

As for whether it is too late to correct your misaligned teeth, the answer is generally no. Orthodontic treatment can be effective at any age, although the duration and type of treatment may vary. Adults can benefit from orthodontic treatments just as much as children and teenagers. In fact, many adults seek orthodontic treatment to improve their dental alignment and overall oral health.

In summary, there is a potential link between misaligned teeth and allergic rhinitis. Misalignment can contribute to mouth breathing and other issues that may exacerbate nasal congestion and allergic symptoms. If you are considering orthodontic treatment, it is worth discussing your symptoms with your healthcare providers to develop a comprehensive treatment plan that addresses both your dental and respiratory health. Taking steps to correct misaligned teeth may not only improve your smile but also enhance your overall well-being.

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