A small, round, movable lump in the inner lower jaw is most often benign, commonly due to a reactive lymph node, minor salivary gland swelling, or local irritation.
No urgent treatment is needed now. Monitor it—if it lasts more than 2–3 weeks, grows, becomes painful, or hard, consult a dentist/oral surgeon for examination.
Answered2026-01-31 19:23:00
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