Teeth - Fillings?!


Question:

Teeth - Fillings?

why is it when you bite a bit of foil, it hurts like hell..

i always thought it was because, the fillings are metal.. this sounds stupid, but i thought that when the material hit your filling, it was positive sides onto negative.. and it reacted and hurt..

people settle this for me


Answers:

http://www.theanswerbank.co.uk/article23...

sorry had to get that from browser as i also wondered about it many years ago


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