Re:Prenatal Fluoride Exposure and Cognitive Outcomes in Chil...
by bobthechef on Saturday May 26, 2018 @11:04AM
(#17162415)
Some brands of toothpaste substitute fluoride with xylitol. There is evidence that it hardens enamel.
https://www.ncbi.nlm.nih.gov/pubmed/14700079
https://www.sciencedirect.com/science/article/pii/S091723940...
Note that at least in Europe the toothpastes for children contain no fluoride.