[wintertime]

Libertarian Solution: Fluoridated salt and non-fluoridated salt

I have traveled in third and second world countries. In many places people can buy either the non-fluoridated salt or the fluoridated. Each parent decides for their own family. The cost for each of the types of salt is the same.

[Knitebane]

Fluoridated salt and non-fluoridated salt

Wonderful idea. Here's one better: Fluoridated sugar.