Smile Dental Arts Centre

Family & Preventive Dentistry

Sensitive Teeth: Causes and Solutions

If a sip of cold water or a bite of ice cream makes you wince, you are far from alone — tooth sensitivity is a very common complaint. It can range from a mild twinge to a sharp, uncomfortable jolt.

The good news is that sensitivity usually has an identifiable cause, and there are effective ways to manage it. Here is what triggers sensitive teeth and when to see a dentist near you.

What causes tooth sensitivity?

  • Worn enamel from aggressive brushing or acidic foods and drinks.
  • Receding gums that expose the sensitive root surface.
  • Tooth decay, cracks, or worn fillings.
  • Teeth grinding, which wears down the protective enamel.
  • Recent dental work, which can cause temporary sensitivity.

Because the causes vary, identifying the specific reason is the first step to lasting relief.

Solutions and relief

Many cases improve with simple changes: using a soft-bristled brush, switching to a desensitizing toothpaste, and easing up on acidic foods. If grinding is the culprit, a night guard can help. When decay, a crack, or gum recession is involved, your dentist can treat the underlying problem directly.

Persistent sensitivity can be a sign of a deeper issue, such as gum disease or a problem needing root canal treatment, so it is worth getting it checked.

When to see a dentist

See your dentist if sensitivity is severe, lasts more than a few days, is focused on one tooth, or comes with pain or swelling. These can signal a problem that will not resolve on its own and is best treated early.

Frequently asked questions

Why are my teeth suddenly sensitive?

Common causes include worn enamel, receding gums, decay, cracks, grinding, or recent dental work. Sudden or focused sensitivity in one tooth should be checked by a dentist.

How can I reduce tooth sensitivity at home?

Use a soft-bristled brush, try a desensitizing toothpaste, avoid acidic foods and drinks, and don't brush too aggressively. If grinding is a factor, ask your dentist about a night guard.

When should I see a dentist about sensitivity?

See your dentist if sensitivity is severe, lasts more than a few days, is focused on one tooth, or comes with pain or swelling, as these may signal a problem needing treatment.

This article is for general educational purposes only and is not a substitute for professional dental advice, diagnosis or treatment. Treatment suitability, procedures, risks and costs vary by individual. Always consult a licensed dentist about your specific situation.

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