The cause of caries is bacterial breakdown of the hard tissues of the teeth (enamel, dentin and cementum). This occurs due to acid made from food debris or sugar on the tooth surface. Simple sugars in food are these bacteria's primary energy source and thus a diet high in simple sugar is a risk factor.
Bedford County, Tennessee (TN) County population in 2014: 46,627 (44% urban, 56% rural); it was 37,586 in 2000. County owner-occupied with a mortgage or a loan houses and condos in 2010: 7,508. County owner-occupied free and clear houses and condos in 2010: 4,026. County owner-occupied houses and condos in 2000: 10,223.
Pickett County is a county located in the U.S. state of Tennessee. As of the 2010 census, the population was 5,077, making it the least populous county in Tennessee. Its county seat is Byrdstown. The city of Byrdstown and the Kentucky town of Albany, 11 miles (18 km) to the northeast, are positioned between two Army Corps of Engineers lakes: Dale Hollow Lake, mainly in Tennessee, and Lake Cumberland, in Kentucky.