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A 39-year-old member asked:

Can lip biting cause you to get oral cancer?

2 doctor answers5 doctors weighed in
Dr. Daniel Sampson
Oral and Maxillofacial Surgery 26 years experience
No: The main causes of oral cancer are tobacco use, alcohol use, human papilloma virus and genetics. Chronic sun exposure is also a risk factor for lip cancer.
Dr. Daniel Wolter
Dentistry 30 years experience
Unlikely: Repeated trauma to the same area over and over can definitely cause permanent changes to the tissues. These changes can be on a cellular level. In some cases, these changes can become a permanent part of the dna. So, in theory, this can lead to cancer. If you have a lip biting habit, you should get some help to stop. Also limit additional risks, like sun exposure, tobacco use, piercings, & so on.

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Similar questions

A 40-year-old member asked:

Can lip biting cause oral cancer? I have it as a habit.

3 doctor answers10 doctors weighed in
Dr. Jake Richards
Dentistry 12 years experience
Possibly yes: If you continue to bite your lip you are not likely to get cancer but it could happen. The repeated trauma can cause inflammation and proliferation of the tissues in the area. Over time things can change and you can progress through some of the stages and eventually get cancer, but that takes a long time. Have it checked regularly and stop biting it.

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Last updated May 5, 2016

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