Tooth sensitivity is a common dental problem that causes discomfort or pain when eating hot, cold, sweet, or acidic foods and drinks. Some people experience a sharp, sudden pain, while others feel mild discomfort. Understanding the causes of tooth sensitivity can help you find the right treatment and prevent further dental problems. What Is Tooth Sensitivity? Tooth sensitivity, also known as Dentine Hypersensitivity, occurs when the outer surface of the tooth becomes thinner. This allows external stimuli, such as hot or cold water or acidic foods, to reach the nerves inside the tooth, causing pain. Common Symptoms of Tooth Sensitivity The symptoms may include: Sharp pain for 2-5 sec when drinking hot or cold beverages Discomfort when eating Sweets Sensitivity while Brushing or Flossing Pain when inhaling cold air through the mouth Occasional discomfort in one or multiple teeth Causes of Tooth Sensitivity 1. Enamel Wear Enamel protects the outer surface of the teeth. Excessive hard brus...