Well on this approach you go dum with fluoride but teeth are protected (too much evidence to shoot this fact down) and you are at a much higher risk of going dum if you don't protect your teeth..
Read on... a snippet from New Scientist on the main bacteria which causes gum disease ...
There is a whole lot more but the gist is don't neglect your teeth.. With Dimentia you are not driving a car 1 metre or 500 metres from the back of a lorry at zillions of KMS/Hr period...
Flouride for me any day = proper science.. not Homerisms
Cheers
AP