enamel

(noun)

The hard covering on the exposed part of a tooth.

Related Terms

  • cementum
  • dentin

Examples of enamel in the following topics:

  • Dental Caries

    • As the enamel and dentin are destroyed, the cavity becomes more noticeable .
    • Ninety-six percent of tooth enamel is composed of minerals.
    • Enamel begins to demineralize at a pH of 5.5.
    • Dentin and cementum are more susceptible to caries than enamel because they have lower mineral content.
    • Bacteria can penetrate the enamel to reach dentin, but then the outer surface may remineralize, especially if fluoride is present.
  • Vomiting

    • Recurrent vomiting, such as observed in bulimia nervosa, may lead to destruction of the tooth enamel due to the acidity of the vomit .
    • The acidic components of vomit erode tooth enamel over time.
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