the top part of the tooth outside the gums known as
Answers
the tooth is composed of outer part is crawn called enamel and middle layer is called dentine and inner part called pulp
Answer
The top part of the tooth above the gum is known as dentine.
Function
It's main function is to give support to the enamel.
It also transfer impulses from the enamel
More info
Dentine is harder than bone but it is softer than enamel
It mainly consist of crystals of calcium or phosphate
It is present just below the enamel
It is yellow in colour and cannot be whitened.
Dentine and enamel together make crown is being visible.
the parts of teeth
A teeth is classified into three main parts i.e.
1. Crown - It is the top layer of the teeth. This is the visible part of the teeth
2. Neck- It is the second or middle part of the teeth.
3. Root - this is the bottom part of the teeth. This part is hidden below the gum line.