Anonymous ID: f3f9e8 Feb. 21, 2019, 10:06 a.m. No.5305749   🗄️.is 🔗kun   >>5767

>>5305271

false, even the ada admits there's never been a link between fluoride and strong enamel. peptides and calcium make enamel harder.

 

https://duckduckgo.com/?q=tooth+enamel+peptides&atb=v141-7__&ia=web