This is the structure of the tooth.

This is the structure of the tooth and now i am going to tell you what each thing does on the tooth because everything has its own function.The function for the dentine it is like a shield for the blood vessels and the nerves.That is the function for the dentine now i am going to tell you what the function for the nerves are.The nerves take messages from the tooth to the brain and now i will tell the function for the blood vessels.The function for the blood vessels are that they send food and they help it to grow.The function for the crown is that it protects the rest of your tooth own the inside.