Tooth decay

Tooth decay occurs when so much of the mineral content of the tooth has been dissolved that a defect (hole) has developed in the tooth (Tooth). Tooth decay begins at the surface of the tooth, which is formed by tissues which have a high mineral content - enamel and dentin. Most of the exposed surface of a tooth is covered with enamel, which is over 95 percent mineral in composition. Most of the mineral in enamel is hydroxyapatite, which has a high calcium content. The bulk of the tooth is composed of dentin, which consists of about two thirds hydroxyapatite.

Tooth decay (cavities) first became pandemic in the 1700s with the establishment of sugar plantations, followed by the cultivation of sugar beet in Europe in the 1800s (Tooth). Tooth decay occurs by acid demineralization from ac

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Category: Medical - T