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.
Fillings can fall out for several reasons: 1  You bite down too hard on a tooth that has a large filling, and break the filling or the tooth. 2  The filling material that was used cannot withstand the forces placed upon it. 3  Saliva gets into the cavity when the filling is placed.our dentist may use several methods to determine if you have tooth decay (caries), including: 1  Observation â Some discolored spots on your teeth may indicate decay, but not all of them. 2  Your dentist may use an explorer, a metal instrument with a sharp tip, to probe for possible decay.