… Check this out: https://www.ncbi.nlm.nih. gov/pmc/articles/PMC3026476/figure/F3/ and look up this paper on the anitmicrobial actions of fluoride on oral bacteria on https://www.ncbi.nlm.nih.go yLpubmed/7497353 EFTA01047984 The point I"m trying to make I guess is that you open the door to trouble at any age by somehow lowering the pH of the surrounding system and then it's easy for one of the (activated) metals to walk…