Ultrasonic Retainer CleanerThe Ultrasonic Retainer Cleaner is a compact dental appliance cleaner that uses 42,000Hz ultrasonic vibrations and UV sterilisation to deep clean retainers, dentures, aligners and mouth guards in minutes. It works where soaking tablets and brushing fall short, reaching into every groove and crevice to remove bacteria, plaque and stains without scrubbing. Four built in UVC lamps target 99. 9% of common bacteria including E. coli and Staphylococcus