Why Do I Keep Biting My Cheek After Wisdom Tooth Removal? - Dentistry

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After having my upper and lower right wisdom teeth extracted, I often bite my cheek?


Hello, I had my upper and lower right wisdom teeth removed a long time ago, but occasionally a small growth appears on the inside of my right cheek.
I'm not sure how I keep biting it.
Could this be due to malocclusion, or is it a result of the pressure from the gums after the wisdom teeth extraction?

mihua, 30~39 year old female. Ask Date: 2023/02/22

Dr. Lin Jiayong reply Dentistry


Hello: The raised, nipple-like structure on the cheek is commonly the opening of the parotid gland, one of the three major salivary glands.
If it is repeatedly bitten, it may become enlarged.
It is advisable to consult a physician to confirm this and to explore other methods to reduce cheek biting or teeth grinding.

Reply Date: 2023/02/22

More Info


After wisdom tooth removal, it is not uncommon for patients to experience cheek biting or the formation of tissue growths, such as fibromas or mucoceles, on the inside of the cheeks. This can be attributed to several factors related to the healing process and changes in oral dynamics following the extraction.

Firstly, the removal of wisdom teeth can alter the alignment of your bite, especially if the teeth were impacted or if there was significant crowding before the extraction. When the wisdom teeth are removed, the surrounding teeth may shift slightly, which can lead to a misalignment of the bite. This misalignment can cause the cheeks to come into contact with the teeth more frequently, leading to accidental biting. If you are experiencing discomfort or frequent biting, it may be beneficial to consult with your dentist or orthodontist to evaluate your bite and determine if any corrective measures are necessary.

Secondly, the healing process after wisdom tooth extraction can lead to changes in the soft tissues of the mouth. The area where the teeth were removed may be sensitive or swollen, and this can cause the cheeks to be more prone to injury. If the gums are still healing, they may be more susceptible to irritation, which can result in the formation of small growths or bumps. These growths are often benign and can be a natural response to irritation or trauma in the area.

Additionally, if you are experiencing a persistent bump or growth on the inside of your cheek, it could be a fibroma, which is a benign growth that can occur in response to chronic irritation. This can happen if you consistently bite the same area of your cheek. It is important to monitor these growths; if they persist or cause discomfort, a visit to your dentist is advisable for further evaluation and possible removal.

Another factor to consider is the presence of any underlying conditions that may contribute to cheek biting, such as bruxism (teeth grinding) or stress-related habits. If you find yourself clenching or grinding your teeth, this can exacerbate the issue and lead to more frequent cheek biting. In such cases, your dentist may recommend a night guard or other interventions to help manage these habits.

In summary, cheek biting after wisdom tooth removal can be caused by changes in bite alignment, the healing process of the gums, or chronic irritation leading to the formation of tissue growths. If this issue continues to be a problem, it is essential to consult with a dental professional who can assess your situation, provide appropriate treatment options, and help you maintain your oral health. Regular dental check-ups are crucial to monitor any changes and ensure that your mouth heals properly after the extraction.

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