The Japanese government has used limited water fluoridisation programs in the past, but they've always
used calcium fluoride, citing its greater safety in humans.
Products such as toothpaste and mouthwash containing
fluoride and casein phosphopeptide - amorphous
calcium phosphate promote remineralization of initial enamel lesions; however, they need to be
used regularly and are more of a tire patch than a real solution, Moradian - Oldak said.