Enamel is one of the densest substances in the body, even more than bone. It is highly resistant to the wear and tear we put on it each and every day. In addition to the mechanical action of chewing, grinding and clenching our teeth, acidic erosion is another way our teeth can be harmed by our daily habits. Acids are substances with a low pH, where as bases have a high pH. Water is neutral with a pH of 7. When we think about the acids that can be harmful to our teeth, most people think of soda, sports drinks and sour candies. Some people are surprised to learn that ...