how to asses the dental age of child clinically and radiographically ?with TUTORIALS at the end.

This video shows the ways to determine the dental age of the child clinically by examining and radiographically with the help of TUTORIALS at the end.Eruption of maxillary as well as mandibular permanent teeth collectively has been explained at every year of age. Which all maxillary and mandibular teeth erupts at the age of:
6 years
7 years
8 years
9-10 years
11 years
12 years