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What are our teeth made of?

Each tooth is divided into two parts: the crown, which we can see, and the root, which is fixed into the jaws. The centre of the tooth contains blood vessels and nerves, which allow us to feel pain. Teeth are mainly made of dentine. It is much harder and more compact than bone tissue. The crown of our teeth is covered with a layer of enamel, which is much harder than dentine. In fact, enamel is the hardest substance in the body. [...]

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  • Interactivo
  • Teoría

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