>>44584You're just ignorant.
>tooth chemistryTry tooth biology. Billions of anaerobic bacteria live on your teeth and any food you ingest becomes food for them. Their waste products include acids which degrade your enamel.
>but i see pictures of africans with beautiful teeth, and brits with horrible teeth.This is the most ignorant thing currently posted on /out/. The existence of anecdotal evidence proves nothing, if it even exists. You seem to be willing to take a photographer's word that such pictures are representative, as well as accept the implication that no Africans brush their teeth and no Brits do.
