Dental question about taxonomy:symptom:mouth-sores
Mouth sores are breaks or inflamed areas in the lining of the mouth; many heal on their own, but a persistent or unusual lesion needs examination.
What are mouth sores and when do they need review?
Mouth sores are breaks or inflamed areas in the lining of the mouth; many heal on their own, but a persistent or unusual lesion needs examination.
What can cause a sore or inflamed area in the mouth?
A mouth sore may be an aphthous ulcer, trauma from biting or a sharp tooth, a burn, appliance irritation, or infection. Location, number, appearance, pain, recurrence, and healing time guide assessment.
What can you do while a mouth sore heals?
Avoid picking it, use a soft brush, choose cool foods, and avoid tobacco and aggravating foods. A dentist can smooth a sharp edge, adjust an appliance, inspect the lesion, and prescribe treatment when indicated.
When should a persistent or unusual mouth sore be examined?
Arrange an examination for a persistent, recurrent, unusually large, or painless sore, especially with a neck lump, fever, weight loss, or swallowing difficulty.
What should you ask about a mouth lesion and its treatment?
Ask what lesion it resembles, what may traumatise it, and whether medicine, a swab, blood test, or biopsy is indicated.
Frequently asked questions
Could this have more than one cause?
Yes. Examination separates local irritation, tooth disease, gum disease, and oral-lining conditions that can feel similar.
What will the dentist check first?
The dentist will take a focused history, inspect the area, and use probing, tests, or imaging when the findings call for them.
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Who wrote this page
This library is published by Dental Nation, a licensed dental group practising in the United Arab Emirates. Pages are written and overseen by the same clinical team that treats patients in our clinics, and are held to a fixed editorial standard for safety and accuracy.
This page is patient education, not medical advice, and cannot replace an examination. Anything urgent — facial swelling, trauma, uncontrolled bleeding or severe pain — needs a dentist or emergency care now.