It occur when plaque and bacteria is not adequately removed from the surface of the tooth
If this left untreated , it will create holes in your teeth which eventually make it more prone to destruction
You are looking for vaccine.
It happened because she was excising a lot more and equaling it out with her eating habit <span />
Bat will eat mosquitoes and other bugs which may carry bad diseases or bacteria (If your talking about Bats the species around kids?)