Clean with Efferdent AntiBacterial Denture Cleanser Tablets at least once a day to Kill 99.9 of the germs that cause denture odor dissolve tough stains in hardtoreach places, even in between teeth reduce plaque buildup and remove food particles that cause gum irritation keep dentures extra fresh and clean. Instructions Can be used in any denture bath. Dentures may be soaked safely in efferdent antibacterial denture cleanser overnight. Recommended for use on full or partial dentures.Directions 1. Drop one table into enough very warm water to cover denture. 2. Place denture into effervescing solution, which will change color as it cleans. 3. After 5 minutes, remove and rinse denture thoroughly. Denture is clean and odor free. 4. For best results, brush denture by using efferdent antibacterial denture cleanser solution and then rinse dentures again. Immediately throw away solution. Do not gargle or rinse mouth with solution.