Here is the recipe for homemade toothpaste or homemade tooth powder. (wellnessmama.com)
It can also be used as a calcium powder replacement in any of my homemade toothpaste or tooth powder recipes. (wellnessmama.com)
I've also been using a Japanese tooth powder made from roasted eggplant, but I can't figure out a good way to get it on the brush without making a mess! (celluliteinvestigation.com)