Oral Lesions: What Could Be Causing Your Mouth Bump? - Dentistry

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Oral mucosa


I have a bump in my mouth that looks like a pimple.
At first, it wasn't very big, but it hurt a little when I ate.
After two or three days, it seemed to have burst, and now it hurts when I eat slightly hot foods.
What could this be? (I'm not sure how to describe the location; it's on the inside of my lower lip, but not on the gums.)

Mr. Zhan, 10~19 year old female. Ask Date: 2016/04/04

Dr. Huang Zhicheng reply Dentistry


Hello, it is likely that you have bitten the mucosa or have an infection, which has caused a blockage in the minor salivary glands.
This blockage can lead to saliva secretion being obstructed, resulting in a cyst-like formation that can be painful when it ruptures.
It should resolve in about a week.
Wishing you safety and good health.
Sincerely, Dr.
Huang Chih-Cheng, Director of Dentistry, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2016/04/04

More Info


When it comes to oral lesions, particularly those that resemble a bump or pimple inside the mouth, there are several potential causes to consider. Based on your description, it sounds like you may be dealing with a mucocele, an aphthous ulcer (canker sore), or possibly a minor traumatic injury.

1. Mucocele: This is a common type of oral lesion that occurs when a salivary gland duct is blocked or damaged, leading to the accumulation of mucus. Mucoceles often appear as painless, fluid-filled bumps, but they can become painful if they rupture or become irritated. They are typically found on the inner lip, cheek, or floor of the mouth. If your lesion started small and then seemed to burst, this could be a mucocele.

2. Aphthous Ulcer: Also known as canker sores, these are small, painful lesions that can occur on the soft tissues of the mouth, including the inside of the lips. They often start as small bumps that can become ulcerated, leading to pain, especially when eating or drinking. The exact cause of aphthous ulcers is not well understood, but they can be triggered by stress, certain foods, hormonal changes, or underlying health conditions.

3. Traumatic Injury: If you have accidentally bitten your lip or cheek, this could lead to a localized injury that manifests as a bump or sore. Such injuries can become painful, especially if they are irritated by food or other activities.


Diagnosis and Treatment
To accurately diagnose the lesion, a visit to a dentist or oral health specialist is recommended. They can perform a thorough examination and may suggest further tests if necessary. Here are some steps you can take in the meantime:
- Avoid Irritants: Try to avoid spicy, acidic, or hot foods that may exacerbate the pain.

- Maintain Oral Hygiene: Continue to brush your teeth gently and rinse your mouth with a mild saltwater solution to help keep the area clean.

- Over-the-Counter Treatments: You may consider using topical oral gels or ointments that can help numb the pain and promote healing. Products containing benzocaine can provide temporary relief.

- Pain Management: Over-the-counter pain relievers like ibuprofen or acetaminophen can help manage discomfort.


When to Seek Medical Attention
If the lesion does not improve within a week, continues to grow, or if you experience additional symptoms such as fever, difficulty swallowing, or persistent pain, it is essential to seek medical attention. In some cases, a biopsy may be necessary to rule out more serious conditions, especially if the lesion appears unusual or persists despite treatment.


Conclusion
In summary, while the bump inside your mouth could be due to a mucocele, an aphthous ulcer, or a minor injury, proper diagnosis is crucial for effective treatment. Keeping track of any changes in the lesion and your overall health can provide valuable information to your healthcare provider. Remember, maintaining good oral hygiene and avoiding irritants can help alleviate discomfort while you seek a definitive diagnosis.

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