it's the chemical reactions i wanted to see, in a legible form. no stupid pictures.
so, that's at about ph 4.8, and you see what happens - the enamel dissolves in acidic water into a dicalcium phosphate and a calcium hydroxide. that's without fluoride.
but, then the sodium fluoride breaks down into sodium, hydroxide and hydrofluoric acid. yikes. that would make everything worse. more acid. the hydroxyl overpowers, thankfully.
...and then the fluoride spontaneously regenerates the matrix, into fluoropatite, which gets reabsorbed by your teeth. no such regeneration of the initial hydroxypatite seems possible - what they call "remineralization" seems restricted to parts of the matrix that suffer acid erosion, in the sense that hydrogen peels off the hydroxyl, leaving behind the calcium phosphate.
so, that means that if i bathed my teeth in calcium & phosphate & fluoride, the best i could hope for is fluoropatite, because it's only the distorted matrix that gets uploaded. it won't reform hydroxyapatite. but, what if i give it hydroxyapatite, in addition to fluoride? the studies seem to suggest it works.
now, there's another article here by the cda:
...and i get the point - you can't remineralize with the building blocks. because we don't know how.
but, it doesn't address remineralizing with the finished product.
the fact is that i have nothing to lose in trying except a few bucks.