Oral Growths: What to Know About Mouth Sores and Cysts - Dentistry

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Oral issues


I would like to ask the doctor, I recently discovered that in the back of my right side of the mouth, where the upper and lower teeth meet, there are one or two growths that look like tumors, and there are white spots on top that resemble pimples ready to burst.
I accidentally broke one, and it seemed to have pus like that of a popped pimple, but there was no bleeding.
I would like to know if the doctor has any idea what this might be.
For the past two days, I have felt a sensation of biting into flesh when I close my teeth.
I do not drink alcohol or chew betel nut, but I do smoke and have a fondness for sweets and sugary drinks.
All my teeth have cavities.
Thank you, doctor, for taking the time to respond amidst your busy schedule!

Mr. Lin, 20~29 year old female. Ask Date: 2015/07/23

Dr. Zeng Guanghui reply Dentistry


There are one or two tumors growing on the innermost teeth of the upper and lower right side of the mouth, which, when squeezed, appear to have pus.
Additionally, due to a fondness for sweets, there are cavities in the teeth.
It is possible that the cavities have caused inflammation or infection at the root apex, leading to the formation of pus at the root tip.
It is recommended to consult a dentist for further diagnosis and treatment.

Reply Date: 2015/07/23

More Info


Mouth sores and cysts can be concerning, especially when they appear unexpectedly. Based on your description, it sounds like you may be experiencing a type of oral growth, possibly a mucocele or an irritation fibroma, especially since you mentioned the presence of white spots that resemble pimples and the sensation of having bitten the inside of your mouth.

Understanding Oral Growths:
1. Mucoceles: These are fluid-filled cysts that often occur on the inner lips, cheeks, or the floor of the mouth. They typically arise from blocked salivary glands or trauma to the area, such as biting or irritation. The white spots you described could be indicative of a mucocele, especially if they appear to be filled with fluid. They are usually painless but can become uncomfortable if they are repeatedly irritated.

2. Irritation Fibromas: These are benign growths that can develop in response to chronic irritation, such as from biting the inside of your mouth or from dental appliances. They often appear as firm, raised lesions and can be flesh-colored or slightly discolored. If you have a history of biting your cheeks or lips, this could lead to the development of such fibromas.

3. Oral Candidiasis: Given your mention of sweet foods and drinks, it's also worth considering oral thrush, a fungal infection that can cause white patches in the mouth. This condition is more common in individuals with compromised immune systems or those who consume a lot of sugar.

4. Dental Issues: Since you mentioned having cavities, it's crucial to address any underlying dental problems. Cavities can lead to infections that might manifest as sores or swelling in the mouth. Regular dental check-ups are essential to manage and prevent these issues.

What to Do Next:
- Consult a Dentist: It's important to have a dental professional examine the growths in your mouth. They can provide a definitive diagnosis and recommend appropriate treatment. If the growths are indeed mucoceles or irritation fibromas, they may need to be surgically removed if they cause discomfort or persist.

- Maintain Oral Hygiene: Continue to practice good oral hygiene by brushing and flossing regularly. This can help prevent further irritation and the development of additional sores.

- Avoid Irritants: Since you mentioned a preference for sweet foods and drinks, consider reducing your intake of sugary items, as they can contribute to dental decay and potentially exacerbate oral issues. Additionally, avoid tobacco products, as they can irritate the oral mucosa and increase the risk of developing lesions.

- Monitor Symptoms: Keep an eye on the growths. If they change in size, color, or if you experience increased pain, swelling, or bleeding, seek immediate dental care.

- Consider Lifestyle Changes: If you are a smoker, quitting can significantly improve your oral health and reduce the risk of developing further complications.

In conclusion, while many oral growths are benign, it is essential to have them evaluated by a dental professional to rule out any serious conditions and to receive appropriate treatment. Regular dental visits and maintaining good oral hygiene can help prevent future issues and promote overall oral health.

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