What is the direct answer?
A sore inside the mouth may be caused by friction, a minor ulcer, a burn, infection, inflammation, or an irritant from a tooth or dental appliance.
What does this question mean?
A sore is assessed by its site, surface, colour, border, tenderness, duration, and whether there is a sharp tooth, bite injury, or general illness.
What can you do next?
Avoid picking it, keep brushing gently, choose soft foods, and remove obvious friction such as a sharp appliance edge only with professional guidance.
When should you seek dental care?
Arrange an examination for a sore that persists, repeatedly returns, enlarges, bleeds, feels firm, or is accompanied by a neck lump or swallowing difficulty.
What should you ask the dentist?
Ask what pattern the sore has, whether a local irritant is present, and how long it should take to settle before review.
Frequently asked questions
What will a dentist check?
The dentist examines the relevant teeth and oral tissues, reviews your history, and uses targeted tests or imaging when needed.
Can home care replace an examination?
Home care can reduce irritation, but it cannot identify or treat causes such as decay, pulp disease, or infection.

