Teeth Sensitivity

August 20, 2025
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Posted By: Dr. Trinh Nguyen

Understanding Tooth Sensitivity: What to Avoid and How to Find Relief

Do you ever feel a sharp, sudden pain when sipping a hot coffee, eating ice cream, or even just breathing in cold air? If so, you’re not alone. Tooth sensitivity affects millions of people and can range from occasional discomfort to chronic pain. The good news: with the right care, you can reduce sensitivity and protect your smile.

What Causes Tooth Sensitivity?

Tooth sensitivity happens when the protective layers of your teeth wear down, exposing the softer dentin underneath. Dentin contains tiny tubules that lead to the tooth’s nerves, which is why you feel pain when eating or drinking something hot, cold, sweet, or acidic.

  • Worn enamel from aggressive brushing or grinding (bruxism)
  • Gum recession exposing the tooth’s root
  • Tooth decay, cracks, or old fillings
  • Acidic foods and drinks that erode enamel
  • Teeth whitening treatments (temporary sensitivity)

Things to Avoid If You Have Sensitive Teeth

  • Very Hot or Cold Foods & Drinks – Avoid extremes in temperature that trigger nerve pain.
  • Sugary and Acidic Drinks – Soda, citrus juices, and sports drinks can erode enamel and worsen sensitivity.
  • Hard Foods – Ice, hard candy, and unpopped popcorn kernels can chip enamel.
  • Aggressive Brushing – Using a hard-bristled brush or scrubbing too hard wears down enamel.
  • Frequent Snacking – Constant acid attacks from food can make enamel more vulnerable.

What Can Help with Tooth Sensitivity?

  • Use a Desensitizing Toothpaste – Specially formulated to block pain signals and reduce sensitivity over time.
  • Switch to a Soft-Bristled Toothbrush – Gentle brushing protects enamel and gums.
  • Improve Your Brushing Technique – Use small circular motions instead of hard scrubbing.
  • Fluoride Treatments – Strengthens enamel and reduces discomfort. Available in-office or in prescription-strength products.
  • Mouthguards for Grinding – Protect teeth from enamel wear if you clench or grind at night.
  • Professional Dental Care – Sometimes, treatments like bonding, gum grafts, or sealants are needed for lasting relief.

When to See Your Dentist

If your sensitivity lasts more than a few days, keeps getting worse, or prevents you from enjoying your favorite foods, it’s time to schedule a dental appointment. A dentist can pinpoint the cause and recommend personalized treatment.

Final Thoughts

Tooth sensitivity can be frustrating, but it doesn’t have to take the joy out of eating or smiling. With smart habits, preventive care, and professional treatment when needed, you can keep your teeth strong, comfortable, and pain-free.

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