Best dental clinic in Adambakkam | Foods and Habits That Stain Your Teeth Tobacco, citrus fruits, chocolates, cigarettes, and sodas are common culprits that stain your teeth. Tobacco and cigarettes leave yellow or brown marks, while acidic citrus fruits weaken enamel, making teeth prone to discoloration. Chocolates and sodas contain pigments and acids that lead to stains over time. Regular brushing, flossing, and professional cleanings can help combat these effects. For stubborn stains, teeth whitening treatments at Dr. Akkshaya Dental and Aesthetics, Adambakkam can restore your sparkling smile.