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When you have sensitive teeth, certain activities, such as brushing, eating and drinking, can cause sharp, temporary pain in your teeth. Sensitive teeth are typically the result of worn tooth enamel or exposed tooth roots. Sometimes, however, tooth discomfort is caused by other factors, such as a cavity, a cracked or chipped tooth, a worn filling, or gum disease.

If you're bothered by sensitive teeth, visit your dentist. He or she can identify or rule out any underlying causes of your tooth pain. Depending on the circumstances, your dentist might recommend:

To prevent sensitive teeth from recurring, brush your teeth twice a day with a soft-bristled toothbrush and fluoride toothpaste and floss daily. Use gentle strokes, rather than vigorous or harsh scrubbing, and avoid using an abrasive toothpaste. If you grind your teeth, ask your dentist about a mouth guard. Tooth grinding can fracture teeth and cause sensitivity.

You might also consider taking care when eating or drinking acidic foods and drinks, such as carbonated drinks, citrus fruits and wine — all of which can remove small amounts of tooth enamel over time. When you drink acidic liquids, use a straw to limit contact with your teeth. After eating or drinking an acidic substance, drink water to balance the acid levels in your mouth.