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.
By Mayo Clinic Staff. Everyone who has teeth is at risk of getting cavities, but the following factors can increase risk: Tooth location. Decay most often occurs in your back teeth (molars and premolars). These teeth have lots of grooves, pits and crannies that can collect food particles. As a result, they're harder to keep clean than your smoother, easy-to-reach front teeth.