enamel

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A dentist holds a glass of water while a child with an exaggerated smile reclines in a dental chair. The water glass is circled, and arrows point to it.

A labeled cross section illustration of an adult human molar shows the tooth's crown and root, with layers including enamel, dentin, and pulp, as well as gum, cementum, blood vessels, periodontal ligament, lateral canals, and nerve.

enamel: Media

tooth

Videos

A dentist holds a glass of water while a child with an exaggerated smile reclines in a dental chair. The water glass is circled, and arrows point to it.

Why is fluoride added to drinking water?

When fluoride goes up, tooth decay goes down.

Video: Encyclopædia Britannica, Inc.

Images

enamel

enamel

Enamel on a maxillary molar.

Dozenist

A labeled cross section illustration of an adult human molar shows the tooth's crown and root, with layers including enamel, dentin, and pulp, as well as gum, cementum, blood vessels, periodontal ligament, lateral canals, and nerve.

An adult molar

Cross section of an adult human molar.

Encyclopædia Britannica, Inc.

VIEW MORE in these related Britannica articles: