Concerns about fluoride weakening teeth can be addressed through oral health practices, including fluoride-containing toothpaste and other methods that improve tooth mineralization and can help fill early cavities.

“then I would say, well, watch the episode that's soon to come out on oral health because it's going to explain a lot of approaches, including fluoride-containing toothpaste but some other nonfluoride-containing toothpaste and other things that one can do that the community of professionally-trained dentists all agree can really help improve the mineralization state of your teeth and, indeed, can fill in cavities that have begun to form but haven't yet made it to the deeper layers of your teeth, and on and on.”