What is the direct answer?
A swollen cheek can result from a dental abscess, gum infection, impacted tooth or injury and needs prompt assessment when new or worsening.
What does this question mean?
Cheek swelling is enlargement of soft tissue, often from inflammation or fluid related to a tooth, gum or salivary structure.
What can you do next?
Decay, a cracked tooth, gum infection, wisdom-tooth inflammation, trauma or a blocked salivary duct can cause it.
When should you seek dental care?
Do not squeeze or puncture the swelling. Keep the mouth clean, use suitable pain relief, and arrange urgent dental assessment.
What should you ask the dentist?
Emergency care is needed for breathing or swallowing difficulty, neck or eye swelling, fever with rapid progression, muffled voice or inability to open the mouth.
Frequently asked questions
Could another condition cause this?
Cheek swelling is enlargement of soft tissue, often from inflammation or fluid related to a tooth, gum or salivary structure.
What should the dentist check?
Ask whether the source is a tooth, gum, wisdom tooth or salivary gland, and whether drainage, root canal treatment, extraction or imaging is required.

