The tooth's anti-decay molecule.
What does Fluorine do?
When fluorine bonds with sodium, it becomes a stable ion that prevents tooth decay, this is only if it's in moderate amounts, with too much, the enamel softens.
What happens when there's not enough?
The enamel of the teeth rot, the infection reaches the nerves, gets into the roots, the mouth is unable to chew, there's unbearable pain, and the body may die due to the combination of unbearable pain and inability to consume solid foods.
How is Fluorine Obtained?
Fluorine is primarily obtained through drinking water.