What are teeth made of?

What are teeth made of?Teeth are made of a bony substance called dentine, and they are capped or crowned with what is called enamel. The hollow part of a tooth contains a pulpy substance that has many highly sensitive nerves and minute blood vessels. If the tooth becomes decayed the blood vessels swell and press against the nerves and this causes toothache.

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World Tsunami Awareness Day Information For Students

World Tsunami Awareness Day: History, Causes, Theme, Banners

World Tsunami Awareness Day: Tsunamis are rare events, but can be extremely deadly. In the …