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Toothache: Common Causes and How to Get Relief

Dr. Rangan Ghosh, BDS, MDS30 June 20265 min read
Calm, modern treatment room at Tiny Tooth Dental, Lucknow

A toothache is almost always a sign that something needs attention — and unlike many aches, it rarely settles on its own. Understanding the likely cause helps you judge how urgently to act.

Common causes of toothache

  • Tooth decay (a cavity) reaching the sensitive inner layers
  • An infection or abscess at the root of the tooth
  • A cracked, chipped or broken tooth
  • Gum disease or an exposed tooth root
  • A loose or lost filling
  • Food trapped tightly between teeth
  • An erupting or impacted wisdom tooth

How to ease the pain at home

While you arrange a dental visit, these can offer temporary relief:

  • Rinse with warm salt water to clean around the tooth
  • Take over-the-counter pain relief as directed on the packet
  • Hold a cold compress against the cheek to ease swelling
  • Gently floss to remove any trapped food
  • Avoid very hot, cold or sugary foods on that side

Don’t place aspirin directly on the gum or tooth — it can burn the tissue. Home measures ease the symptoms but don’t treat the underlying cause.

When to see a dentist urgently

See a dentist as soon as possible for any toothache lasting more than a day or two. Seek urgent care if you have facial swelling, fever, a bad taste or severe throbbing pain — these can signal an infection that needs prompt treatment, sometimes a root canal (here’s what really happens during one). A dental infection won’t resolve by itself and can spread.

Preventing the next one

Most toothaches trace back to decay or gum disease — both highly preventable with good brushing, a sensible diet and regular check-ups and cleaning that catch problems while they’re small and painless.

Have a question about your child’s teeth?

We’re always happy to help. Book a gentle visit at Tiny Tooth Dental, Vrindavan Colony.

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