The compact device uses vibrations, water and four UV lights to kill the gunk and bacteria from your retainer, mouth guard, ...

Ultrasonic cleaners are used for cleaning dental instruments and medical implants in medical industry, machines and assembly parts in heavy industry, and laboratory instruments made of plastic ...

I'd seen adverts for the Zima Dental Pod pop ... water (and one of the Ultrasonic Sterilizing Tablets it comes with, if you like), press the button then wait until the cleaning cycle has finished.