Mexico. Comprised of 31 states and one federal district, the nation of Mexico is home to the worldâs largest population of Spanish speakers. From the temples of Chichen Itza, to the beaches of Cancun or the bustle of Mexico City, Mexico boasts a diverse landscape and rich history. 1  Facebook. 2  Twitter. 3  Google.
Dental caries, also known as tooth decay, cavities, or caries, is a breakdown of teeth due to activities of bacteria. The cavities may be a number of different colors from yellow to black. Symptoms may include pain and difficulty with eating. Complications may include inflammation of the tissue around the tooth, tooth loss, and infection or abscess formation.
When a tooth is exposed to acid frequently -- for example, if you eat or drink often, especially foods or drinks containing sugar and starches -- the repeated cycles of acid attacks cause the enamel to continue to lose minerals. A white spot may appear where minerals have been lost.This is a sign of early decay.sed with permission. Tooth decay is the result of an infection with certain types of bacteria that use sugars in food to make acids. Over time, these acids can make a cavity in the tooth.