Some manufacturers have introduced toothpastes that do not contain fluoride. Toms of Maine makes no claim that its fluoride-free toothpaste protects as well as products that contain the mineral, but Theodent claims that its products, which contain a compound derived from cocoa extract, do. The compound, called Rennou, "works better than fluoride and has none of the toxicity," Theodent President and CEO Arman Sadeghpour said. Although the American Dental Association has not endorsed the product, Rennou was shown to harden enamel better than similar concentrations of fluoride in a small study that has yet to be published.
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