Anatomy of a tooth

Let’s start with the basic, teeth, in humans, have an external and internal structure:

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External Structures

• Crown: The part of the tooth that is above the gums. • Root: The part that’s hidden below the gums.

Internal Structures

• Pulp: The innermost part of the tooth, which contains blood vessels and nerves. • Dentin: The layer that surrounds the pulp. • Enamel: A hard, protective outer layer that covers the crown. • Cementum: The hard layer that covers the dentin of the root.