Diastema is associated with

$A-$ The human digestive system consists of the alimentary canal and the associated glands.
$R -$ Liver,pancreas,and salivary glands are associated digestive glands.

Given below are two statements.
Statement $I$: Since human beings have different kinds of teeth fitted in two jaws,the dentition is described as diphyodont.
Statement $II$: Human beings have four different kinds of teeth,hence it is described as heterodont.

The crown of the tooth is covered by:

Identify the incorrect statement from the following.

Name different types of teeth and their number in an adult human.