Craft32 dental care at saligramam virugambakkam A sensitive tooth causes sharp pain or discomfort in response to stimuli such as hot or cold foods, touch, sweetness, or acidity. Common causes include enamel wear, gum recession, tooth decay, and fractured teeth. Proper diagnosis by a dental professional is crucial. Treatments may involve desensitizing toothpaste, fluoride treatments, or advanced dental procedures. Managing underlying causes can help alleviate sensitivity.