What is Mouth Ulcer?
Mouth ulcers are tiny, painful sores that form inside the mouth, usually on the tongue, cheeks, gums, lips, or palate. They are often white or yellow in the middle, with red borders. While most mouth ulcers are harmless and heal in 10-14 days, some may require expert care.
Common Symptoms of Mouth Ulcers
- Burning or tingling sensation before the sore appears
- Pain while eating spicy, hot, or salty foods
- Swelling around the ulcer
- Difficulty chewing or speaking
What Causes Mouth Ulcers?
Mouth ulcers can occur due to:
- Accidental cheek or tongue biting
- Stress and lack of sleep
- Vitamin deficiencies (B12, iron, folic acid)
- Irritation from braces or dentures
- Spicy or acidic foods
- Hormonal changes
- Certain toothpaste chemicals
Mouth Ulcer Treatment Home remedies
- Rinsing with warm salt water many times each day can help decrease germs and irritation.
- Avoiding spicy, hot, or acidic meals reduces inflammation.
- Staying hydrated keeps your mouth moist and promotes healing.
- Applying the correct oral ulcer gel might give brief pain alleviation.
- Maintaining proper dental hygiene with frequent brushing and flossing lowers the chance of infection.
When to see a dentist
Consult a dentist if a mouth ulcer lasts more than three weeks, is exceptionally large, is painless but persistent, or recurs regularly. Early examination helps to rule out major problems and guarantees correct treatment.

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