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I use 2 different kinds. I love Weleda Calendula toothpaste. I use it when I take an homeopathics because you can't use mint, tea tree, or cinnamon with homeopathic methods.

When I am not using those, I use Thursday Plantation Tea Tree Toothpaste. I love this company.

Both of these are fluoride and sodium lauryl sulfate free. So if you want foam you probably won't like them. I am really against sodium lauryl sulfate in our home.

A friend of mine did some research and came up with fermented cod liver oil for aiding the re-mineralization. I don't know any details just recall he found a brand on Amazon he was using.

I also learned something new from a dental assistant recently that no one ever taught me . . .do not brush your teeth within 30 minutes of eating a meal. I never knew the damage done to the teeth because of saliva and whatever digestive enzymes in the mouth when eating, and that the teeth re-mineralize themselves afterwards. 30 minutes was the safe time to brush post meal. She showed me micro pictures of teeth before and immediately after eating. Convinced me for sure.

Apparently xylitol is good for this, which is found in some gums and toothpaste. There is an Rx toothpaste that is for this as well, but I forget the name.