What Causes Sensitive Teeth?

Things that can cause sensitive teeth are:

  • Wear and tear. Brushing too hard or using a hard-bristled toothbrush can wear down enamel and expose the dentin.
  • Tooth decay near the gum line.
  • Gum disease (gingivitis). Inflamed and sore gums pull back and expose the roots of your teeth.
  • Damage. Chipped or broken teeth may fill with bacteria. The bacteria can enter the pulp, causing inflammation.
  • Grinding or clenching your teeth may wear down the enamel and expose the dentin.
  • Teeth-whitening products. These products may be major contributors to sensitive teeth.
  • Age
  • Plaque buildup.
  • Acidic foods. Food and drinks with a high acid content, like citrus fruits, tomatoes, pickles, and tea, can wear down enamel.
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