Should You Worry About Oral Cancer from Cheek Biting? - Dentistry

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Could it be oral cancer?


I have a habit of unconsciously biting the inside of my cheeks and the flesh below my lips.
Recently, I noticed that the areas I frequently bite are uneven and bumpy.
I haven't bitten them to the point of bleeding or causing any open wounds.
Should I consider getting this checked?

Liao, 20~29 year old female. Ask Date: 2014/03/23

Dr. Cui Chongji reply Dentistry


Habitual and unconscious occlusal trauma requires careful clinical examination; therefore, it is necessary to visit a clinic or hospital for a thorough evaluation by a physician.

Reply Date: 2014/03/23

More Info


Biting the inside of your cheeks and lips is a common habit known as cheek biting or lip biting. While it may seem harmless, it can lead to various oral health issues, including irritation, inflammation, and even the development of lesions or ulcers. In your case, you mentioned that the areas you frequently bite feel uneven but have not bled or been broken. This is a good sign, as bleeding or open wounds can increase the risk of infection and other complications.

However, it is essential to understand that persistent irritation or trauma to the oral mucosa can potentially lead to changes in the tissue. Chronic irritation can sometimes result in conditions such as leukoplakia, which presents as white patches in the mouth and can be a precursor to oral cancer in some cases. Although the risk of developing oral cancer from cheek biting alone is relatively low, it is not entirely negligible, especially if the habit is longstanding and the tissue is repeatedly traumatized.

Given your concerns, it would be prudent to consult with a dental professional or an oral surgeon. They can perform a thorough examination of your oral cavity, assess the areas you bite, and determine if any further investigation is necessary. If there are any suspicious lesions or changes in the tissue, they may recommend a biopsy to rule out any serious conditions, including cancer.

In addition to seeking professional advice, consider addressing the habit itself. Many individuals bite their cheeks or lips unconsciously, often as a response to stress or anxiety. Identifying triggers and finding alternative coping mechanisms can help reduce the frequency of this behavior. Techniques such as mindfulness, stress management, or even behavioral therapy may be beneficial.

It's also worth noting that other risk factors for oral cancer include tobacco use (including smoking and chewing tobacco), excessive alcohol consumption, and human papillomavirus (HPV) infection. If you have any of these risk factors, it's even more critical to maintain regular dental check-ups and be vigilant about any changes in your oral health.

In summary, while cheek biting is a common habit that may not pose an immediate threat, it is essential to monitor the affected areas and seek professional advice if you notice any persistent changes. Regular dental visits are crucial for maintaining oral health and catching any potential issues early. Remember, early detection is key in managing any health concerns, including oral cancer.

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