Clinically proven to help strengthen teeth and leave your mouth feeling fresh and clean. Great Mint Taste. Cleans Teeth Thoroughly. Active Fluoride Formula Strengthens Teeth. Fights Cavities. Use helps protect against cavities. Questions or comments Call toll-free 1-800-468-6502. "The ADA Council on Scientific Affairs' Acceptance of Colgate Cavity Protection is based on its finding that the product is effective in helping to prevent and reduce tooth decay, when used as directed.".