Most teeth responsible for crowding.. Early loss cause crowding in anterior teeth due

1. Most teeth responsible for crowding is:

a. Lower E ***

D

2. Early loss cause crowding in anterior teeth due to:

a- primary 1st molar ***

b- primary 2nd molar.

c- primary canine.

There are many causes that lead to congestion, torsion, or overlap in the teeth.
Some people 's teeth are large for the size of their mouths, causing tooth contagion because there is not enough space to accommodate them.
In some cases, the size of the upper jaw of some people is different from the size of the Salafi jaw, resulting in the appearance of one of the jaws distorted.