This is an article that I can sink my teeth into.

Some people question the use of fluoride as it is an extremely reactive chemical. It is a byproduct of aluminum processing. I don't mind fluoride toothpaste. I question the use in water supplies. I have friends who avoid fluoride tooth paste.

Currently, many people are exploring the role of Vitamin K2 and tooth health. Most people have k2 deficiencies. Here is one link. Online searches will bring up hundreds of additional links.

https://www.dentistahmed.com/vitamin-k2-and-teeth/