Cosmetic dentist in Kovilambakkam CAUSES OF TOOTH DISCOLORATION Many factors contribute to tooth discoloration over time, including: Diet: Foods and drinks like coffee, tea, red wine, soda, and dark berries can stain your teeth over time. Aging: As we age, the enamel on our teeth naturally thins, revealing more of the yellow dentin underneath. Smoking and Tobacco Use: Smoking or using tobacco products can cause yellowing and surface stains on teeth. Medications: Certain medications, such as antibiotics and antihistamines, can contribute to discoloration. Poor Oral Hygiene: Inadequate brushing and flossing allow plaque and stain-producing substances to build up on the surface of your teeth.