- Cause: They typically develop when a salivary gland duct becomes damaged or blocked, often from accidentally biting your lip.
- Appearance: They look like small, soft “bubbles” or “blisters” under the skin.
2.
Gum Bumps (Parulis)
When a small, pimple-like bump appears on the gums, it is often referred to as a parulis or a “gum boil.”
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- Significance: This is frequently a sign that an underlying issue, such as a deep cavity or a crack in a tooth, has reached the nerve.
- Warning: Even if it doesn’t hurt, it indicates that the body is trying to manage an internal issue that requires expert attention.
3. General Irritations
Mouth sores can also be caused by simple physical irritation.
- Braces or Dentures:
- Ill-fitting dental appliances can rub against the sensitive lining of the mouth.
- Sharp Food: Crunchy or sharp foods can cause minor trauma that results in temporary swelling.
When Should You Be Concerned?
While many oral spots resolve on their own within a week or two, certain “red flag” symptoms suggest you should seek a professional evaluation immediately:
