Think that only sweet-tasting drinks and snacks are harmful for your teeth? Think again. Sugar isn’t the only dietary factor that can damage your smile. Foods and beverages that are high in acids wear away the enamel that protects your teeth, a process known as tooth erosion. This changes the appearance of your teeth and opens the door for bacteria that can cause cavities or infection. What Does Tooth Erosion Do to My Teeth? Tooth erosion is permanent. If your enamel has started to wear away, you may: Feel pain or sensitivity when consuming hot, cold or sweet drinks Notice a yellowish discoloration of the teeth Find that your fillings have changed Face greater risks for more cavities over time Develop an toothache, in …