Best dental clinic in Adambakkam | Tooth Sensitivity: Causes and Solutions Tooth sensitivity occurs when the protective enamel wears down, exposing the underlying dentin, leading to discomfort or pain when consuming hot, cold, or sweet foods. Common causes include tooth decay, gum recession, or using abrasive toothpaste. Treating sensitivity involves desensitizing toothpaste, fluoride treatments, or addressing underlying issues. At Dr. Akkshaya Dental & Aesthetics, we provide expert care to alleviate sensitivity and protect your oral health.