Don't know, but check out the small book "Kiss Your Dentist Goodbye" (Ellie Phillips DDS) about protecting & regenerating tooth enamel
This was in Q #94, for what it's worth:
>Bill wants a deal.
>Playing the former President card.
>Watch the cookie quickly crumble.
In the field of psychology, the Dunning-Kruger effect is a cognitive bias in which people assess their cognitive ability as greater than it is. It is related to the cognitive bias of illusory superiority and comes from the inability of people to recognize their lack of ability.