What is enamel
A hard substance that protects the rest of the teeth
Dentine
Which lies directly under the enamel and is not as hard as the enamel
Pulp cavity
The centre of the tooth containing nerves and blood vessels that keep the tooth alive
The cementum
Attaches the tooth to the bone, holding the tooth in place
What is plaque
A mixture of saliva, food particles and bacteria. Plaque will build up on teeth of not cared for