Oral Mucosal Swelling: When to Seek Dental Advice - Dentistry

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There is a mass in the oral mucosa?


Hello Doctor, I recently discovered a swelling on the left side of my cheek (inside the oral cavity).
I visited a dentist yesterday, and the dentist observed that the mucosal condition on the inner side of my mouth is indeed redder compared to the right side, and the thickness of the cheek is also greater.
However, since I am not experiencing any pain and the swelling does not cause any noticeable facial asymmetry, the dentist felt it was not a significant issue.
Still, I am a bit concerned and would appreciate your feedback.

chihan, 20~29 year old female. Ask Date: 2016/04/27

Dr. Zeng Guanghui reply Dentistry


There is a swelling on the left cheek, with the mucosal color being more red and thicker, and it is not painful.
This may indicate inflammation of the salivary glands on the left side, causing the cheek swelling.
It is recommended to consult a dentist for further examination.

Reply Date: 2016/04/27

More Info


When it comes to oral mucosal swelling, it's essential to understand the underlying causes and when to seek dental advice. The presence of a swelling or lump inside the cheek, particularly if it is localized and asymptomatic, can often be benign. However, it is crucial to monitor the situation closely and be aware of any changes.

From your description, it seems that you have noticed a swelling on the left side of your oral mucosa, which appears redder and thicker compared to the right side. The fact that you are not experiencing pain and that the swelling does not cause facial asymmetry are positive signs. However, it is still important to consider a few factors.

1. Duration of Symptoms: If the swelling has been present for a short period and is not accompanied by other symptoms such as pain, fever, or difficulty swallowing, it may not be a cause for immediate concern. However, if the swelling persists for more than a couple of weeks without improvement, it would be prudent to seek further evaluation.

2. Changes in Size or Symptoms: Keep an eye on the swelling. If it increases in size, becomes painful, or if you develop additional symptoms such as fever, difficulty opening your mouth, or changes in taste, these could be signs of an infection or other underlying issues that require prompt attention.

3. Possible Causes: Oral mucosal swellings can be caused by various factors, including:
- Infections: Viral, bacterial, or fungal infections can lead to localized swelling.

- Allergic Reactions: Allergies to certain foods, medications, or dental materials can cause swelling.

- Trauma: Any recent injury to the area, even minor, can lead to localized swelling.

- Cysts or Tumors: While less common, cysts or benign tumors can present as swellings in the oral cavity.

4. Dental Evaluation: Since you have already seen a dentist who assessed the swelling and deemed it not concerning, it is a good first step. However, if you continue to feel anxious about it, consider seeking a second opinion, especially from an oral surgeon or a specialist in oral medicine. They may recommend imaging studies, such as an ultrasound or MRI, to further evaluate the swelling if necessary.

5. Home Care: In the meantime, maintain good oral hygiene to prevent any potential infections. Rinse your mouth with warm salt water to help reduce inflammation and keep the area clean. Avoid any irritants, such as spicy or acidic foods, that might exacerbate the swelling.

6. Follow-Up: Regular follow-up with your dentist is essential. If the swelling does not resolve or worsens, further investigation may be warranted, including a biopsy if there is any suspicion of a more serious condition.

In summary, while the absence of pain and significant symptoms is reassuring, it is essential to remain vigilant. Monitor the swelling closely, maintain good oral hygiene, and do not hesitate to seek further evaluation if you have any concerns. Your oral health is vital, and being proactive about changes in your mouth can lead to better outcomes.

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