If you’ve ever tried brushing your retainer, aligner, or dentures and still noticed a smell, you’re not alone. Our editorial team surveyed over 500 daily dental device users and tested the internet’s most popular cleaning tools—from UV boxes to ultrasonic pods. We were looking for one thing: which products actually work? Below are our top 5 picks for deep, hygienic dental cleaning—ranked by performance, portability, and real-user feedback.