Efferdent Original Anti-Bacterial, Retainer and Denture Complete Cleanser Tablets, 102 Tablets (Pack Of 5) Efferdent Complete Clean retainer cleaner tablets kill 99.99% of odor-causing bacteria in 3 minutes; while being gentle, non-abrasive and safe to use daily. Efferdent cleans full plate dentures, partials, retainers, aligners and other dental appliances. The cleaner tablets can be used in any dental bath. To use, drop one Complete Clean tablet into very warm water, enough water to cover the dental appliance. Then place the appliance into the effervescing solution, which will change color as it cleans. After 3 minutes remove and rinse dental appliance thoroughly.