Retainer Brite Dental Cleaning Tablets (36). Retainer Brite Cleaning Tablets. Retainer Brite is a highly effective cleaner for all removable dental appliances. It is designed to kill harmful bacteria that can cause brace / retainer discoloration and even lead to bad breath.. Used daily, Retainer Brite will keep your orthodontic appliance clean and fresh, removing plaque and tartar. Each box contains 36 tablets – use daily for best results.. Suitable for cleaning and maintaining :. Wire Retainers. Essix Retainers. Clear Aligners. Mouthguards. Nightguards. Bruxism Appliance