Current Mathews County, Virginia Population, Demographics and stats in 2016, 2017. Learn more by clicking the Google or Facebook button below. Population Demographics for Mathews County, Virginia in 2016 and 2017.
1 After you eat, tiny bits of food are left between your teeth. Bacteria grow on them, forming plaque.  The bacteria digest the carbohydrates (sugars and starches) in food and produce an acid. This acid dissolves the enamel (the hard outer layer of your tooth) and a hole (cavity) is formed.
A RealAge answered. When your gums recede, or pull away, from your teeth, the roots of your teeth can be exposed. Plaque can form on the roots outer surface, which is made of dentin. Because the dentin is not as hard as enamel, plaque can cause cavities in dentin faster than in enamel.