Wrigley and Cadbury clash over Recaldent gum
The Federal Trade Commission is reviewing a complaint by Wm. Wrigley Jr. Company that Cadbury USA does not have adequate evidence to back claims it has made in Trident Xtra Care gum ads about the oral benefits of Recaldent. Both companies are manufacturers of competing sugarless chewing gums. Cadbury has promoted the fact that Trident Xtra Care gum contains Recaldent, which some studies claim builds tooth enamel. Discovered and patented

