Describe the parts of tooth
Answers
The bottom part of the tooth is the root. A tooth is composed of the outer layer of the crown called enamel, the middle layer called dentin, and the inside layer called the pulp. The pulp contains the nerves and blood vessels for the tooth. The outer layer of the root is the called the cementum.
STRUCTURE OF A TOOTH
Teeth are fixed into the gums. Each tooth has the following parts :
▪Root : The part of a tooth embedded into
the jaw.
▪Crown : The top part of the tooth outside the gums.
▪Neck : The part between the root and the crown.
The tooth internally is made up of
▪Enamel : It is the white part of a tooth and it is the hardest substance in our body. It is deposited outside the crown of the tooth. Enamel contains calcium salts.
▪Dentine : Dentine is like a bone structure. It is hard.
▪Pulp Cavity : Inside the dentine, there is a soft pulp cavity which contains blood vessels and nerves.