How often do you change Invisalign trays?

How often do you change Invisalign trays?

– 2 weeks For Invisalign to be effective, you need to wear them 20 hours every day. You should remove the trays only for eating and cleaning. Every 1 – 2 weeks, you will need to change to a new tray. Each set of aligners will help shift the teeth into their correct position. Oct 13, 2020