45kHz Ultrasonic
Cavitation through the water reaches into the wells and grooves a brush skips over.
A clear retainer is a negative of your teeth — every tooth is a little well with corners in it. A brush presses flat against one surface at a time, so the deepest part of each well is the part that gets touched least. That's where the film sits, and that's what reads as cloudiness.
Where we'd start you: the short cycle, about 5 minutes with clean water, every night as soon as you take them out. Run the longer 10-minute cycle once a week, or any night you've let it go.
A guard is worn for seven or eight hours at a stretch, and it's a heavier piece of plastic with more surface to hold residue. Most people rinse it in the morning, leave it to dry and mean to do more.
Where we'd start you: the longer cycle, about 10 minutes, each morning while you get ready. Dry it fully before it goes back in the case.
Clasps, the underside of the plate and the join between acrylic and metal are all awkward to brush and easy to scratch. Water gets everywhere a brush can't, without pressing anything against the surface.
Where we'd start you: the longer cycle daily, with clean water. Add a cleaning tablet when it feels like it needs more — always check your appliance's own care instructions first.
One pod, two finishes. Same 45kHz chamber, same two cycles, same countdown on the lid — Cloud White or Midnight is purely about where it will sit.
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Cavitation through the water reaches into the wells and grooves a brush skips over.
Runs on clean water. Cleaning tablets optional, never required.
A UV-assisted function runs alongside the ultrasonic cycle. We make no sterilisation claim for it.
About 5 minutes or about 10, counted down on the lid. Press once and walk away.
1
Clean water to the line. No scrubbing first.
2
Set the appliance flat inside and close the lid.
3
Touch the panel once, then get on with your night.
4
Rinse, dry the appliance and the case, and you're done.
Daily beats heroic. A five-minute cycle you actually run is worth more than a deep clean you keep postponing.
Running it while you shower means the guard is cleaned and dry before the case closes on it.
Nothing scrubs, nothing scratches, and the awkward parts get the same attention as the flat ones.