You usually start off with twenty baby teeth. If she is losing four each year you would divide the amount of baby teeth by four:
20/4=5
So she lost all her teeth by Five years of age.
PS. which is quite young!
It’s like anger that you can’t really control and you have to take medication for
I believe the anwser is true based on the fact that EHR's create less paper work and fewer storage issues. it would greatly help large and small medical offices'