Isaac's awesome teeth facts

This is a diagram of a tooth in the inside.

This is the enamel as you can see it is very healthy and is pure clean. The enamel is also harder tan your bones 

This is the dentine . It is very hard and it protects the pulp so it doesn't damage the nerves in the tooth.

This is the pulp .It knows when the tooth is in trouble. It then sends a message through the nerves .