Gum at the back of mouth is swollen
Swollen gum at the back of the mouth commonly involves a partially erupted wisdom tooth or nearby molar, but examination distinguishes the cause.
Why is the gum at the back of the mouth swollen?
Swollen gum at the back of the mouth commonly involves a partially erupted wisdom tooth or nearby molar, but examination distinguishes the cause.
How can a wisdom tooth gum flap become inflamed?
A flap over a wisdom tooth can trap plaque and food, causing pericoronitis. A cavity or crack can inflame a molar pulp or form an abscess.
What can you do for swelling at the back of the mouth?
Brush back teeth gently and clean around an accessible flap without forcing tools underneath it; avoid smoking, irritating foods and squeezing.
When is swelling at the back of the mouth urgent?
Get prompt care for worsening pain, pus, fever, facial swelling, limited opening or swallowing difficulty; breathing difficulty requires emergency help.
What should you ask about swollen gum at the back?
Ask whether a wisdom tooth, molar, flap or soft-tissue lesion is responsible, whether imaging is needed, and which treatment removes the cause.
Frequently asked questions
What is the next practical step?
Brush back teeth gently and clean around an accessible flap without forcing tools underneath it; avoid smoking, irritating foods and squeezing.
When is urgent care needed?
Get prompt care for worsening pain, pus, fever, facial swelling, limited opening or swallowing difficulty; breathing difficulty requires emergency help.
Keep reading
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.