I don't mean to relauch the debate agisn but I just need a litle point of clarification :

Well, why fluoride is considered dangerous in toothpaste and not when in our foods ?

I mean I think we are taking in fluoride on a daily basis when you look lots of foods contain it....... but wait it seems that the food listed are processed foods:

http://top200foodsources.com/Nutrients/Fluoride,%20F/313/mcg

Because fluoride is not a singular chemical.  It has different forms.  The stuff used in toothpaste and added to the water system is a toxic waste product of the aluminum and fluoride industries and is listed on our State statutes as a schedule A poison.  In fact the sodium fluoride added to toothpaste and water is actually used as a rodenticide and insecticide as well.  The naturally occurring fluoride in sources such as seafood and green tea is not the same type of fluoride.

It is like if we say chromium is good for diabetics we are referring to trivalent chromium, not the highly carcinogenic hexavalent chromium.  Yet both are referred to as chromium.

Or the term "calcium" can be applied to calcium oxide/hydroxide, carbonate, malate, citrate, etc.  They are all referred to as calcium and I have seen all of these used in calcium supplements.  But calcium oxide/hydroxide neutralizes the stomach acid, burns the tissues and is very poorly absorbed.  Calcium carbonate also neutralizes the stomach acid, but doe not burn the tissues although it is also poorly absorbed.  Calcium malate and citrate do not neutralize the stomach acid, do not burn the tissues and are both absorbed very well.

Back to fluoride, the fluoride in toothpaste and water is generally sodium fluoride, which is poisonous.  Fluoride in plants is usually bound to other mineral compounds such as aluminum, magnesium or phosphorus compounds picked up from the soil.