Question

explain the structure of tooth. Explain why human dentition is considered as thecodont,diphydont and heterodont​

Answer 1

Explanation:

Thecodont :

Present in socket of jaws

Diphyodont :

Teeth arise twice in our lifetime.

Heterodont :

Different types of teeth

Answer 2

● Human tooth consists of majorly four parts namely enamel, dentine, cementum and pulp.

● Enamel is the outermost covering and Shiny part of the tooth dentine is the hard portion with calcium cementum is like skeleton for the tooth and pulp contains the nerves and sensory part of the tooth.

● Human dentition is called as thecodont as tooth are inserted in sockets.

● Human dentition is also called as diphyodont as teeth grow twice in the lifetime.

● Human dentition is called as heterodont as different types of teeth appear on a single line.