Is Biting Your Tongue Harmful? Dental Concerns Explained - Dentistry

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Tongue issues?


Hello doctor, recently I have been accidentally biting the tip of my tongue when I close my mouth while speaking.
It doesn't hurt much and there are no other notable symptoms.
I would like to ask if this could have any negative effects on my tongue.
Thank you.

TIM, 10~19 year old female. Ask Date: 2019/03/15

Dr. Lin Jiayong reply Dentistry


Hello: Repeatedly biting your tongue can have an impact on the tongue's mucosa over time.
It is advisable to identify the reasons for frequently biting your tongue, which may include excessive mental stress, improper dental alignment, growth during puberty, or simply biting the area after it has been injured, leading to ulceration and swelling that causes further biting.
Sincerely, Lin Chia-Yung, Department of Dentistry, Taichung Hospital, Ministry of Health and Welfare.

Reply Date: 2019/03/15

More Info


Biting your tongue, especially during activities like speaking or eating, can be a common occurrence for many individuals. While it may not always result in significant pain or immediate complications, there are several factors to consider regarding the potential harm and dental concerns associated with this habit.

Firstly, when you bite your tongue, the immediate concern is the risk of injury. Minor bites may lead to small cuts or abrasions, which can cause discomfort and swelling. If the injury is severe, it could result in bleeding or even a more significant laceration that may require medical attention. In most cases, minor injuries heal quickly, but repeated biting can lead to chronic irritation or inflammation of the tongue.

Secondly, frequent biting of the tongue can lead to the development of scar tissue. Over time, this scar tissue can alter the texture and sensitivity of the tongue, potentially affecting your ability to taste or speak clearly. Additionally, if you consistently bite the same area, it may become more sensitive or prone to further injury, creating a cycle of irritation.

From a dental perspective, biting your tongue can also indicate underlying issues with your bite or alignment. If your teeth are misaligned, it may cause you to inadvertently bite your tongue more often. This misalignment can lead to uneven wear on your teeth, jaw discomfort, and even temporomandibular joint (TMJ) disorders. TMJ disorders can result in pain, headaches, and difficulty in jaw movement, which may further complicate your oral health.

Moreover, if you notice that biting your tongue is accompanied by other symptoms, such as pain in your jaw or teeth, it could be a sign of bruxism (teeth grinding). Bruxism often occurs during sleep or as a response to stress, and it can lead to significant dental issues, including worn-down teeth, increased sensitivity, and jaw pain. If you suspect that you might be grinding your teeth, it is essential to consult with a dentist for an evaluation and potential treatment options, such as a night guard.

In terms of prevention, being mindful of your tongue and jaw movements while speaking or eating can help reduce the likelihood of accidental bites. If you find that you are frequently biting your tongue, consider consulting with a dentist or orthodontist. They can assess your bite and alignment, and recommend appropriate treatments, such as orthodontic work or dental appliances, to help prevent further issues.

In conclusion, while occasional tongue biting may not pose significant harm, it is essential to be aware of the potential consequences of repeated incidents. If you experience persistent discomfort, changes in your oral health, or other concerning symptoms, seeking professional dental advice is crucial. Maintaining good oral hygiene, regular dental check-ups, and addressing any underlying issues can help ensure your overall oral health remains in good condition.

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