Earlier quoted context omitted.
You can regrow tooth enamel on your own right now. It's much, much slower than this and requires a criminally large amount of cod liver oil and butter oil (ie: vitamins A, D, K2 and calcium).
That claim needs a citation from a trustworthy source.
Sucrose https://mega.nz/#!QYBk3KiJ!_72HCKWQwvFnosXpCxmH1fi80wXyLJhht...
Sugar https://mega.nz/#!kVx0gY6R!nlMy1VqAKGHiEembU1nbTFxCNICgHZEB2...
Carbohydrates
https://mega.nz/#!0M5F1JAQ!NCeWcjurUqhf5lw-ZIeCjBR-9hknt_Ehy...
Fluoride
https://mega.nz/#!JBJEkDTI!lhLPyHnNuLylN6SLETs6rjxBxk4Ho_pPz...
Diet
https://mega.nz/#!tc5RwKLK!gnQ1aN29YK5PLmiVV0mKqGJXshfCEjZgm...