"Keep in mind, however, that some natural toothpaste may contain ingredients that have not been tested for safety by the Food and Drug Administration. If you choose to limit your fluoride intake, remember that fluoride has been repeatedly shown to limit tooth decay. You may want to control your fluoride exposure by choosing topical methods of application, rather than cutting fluoride out altogether."
Exerpt by:
Fluoride: What You Need To Know, Information On The Safety Of Fluoride