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.
Otherwise, it hurts like a pinch but not forever. The pain of the shot is not as bad as the pain you would be in with bad teeth that weren't taken care of. Hope this helps a bit, you won't be worried any more when your teeth are fixed. Yes, 13 year olds can have cavities. Any age can really. Some factors are the type of enamal the teeth have and the type of wy the teeth are being brushed and how frequent. Also the type of foods being eaten can effect this.