How long does an Invisalign tray last?

How long does an Invisalign tray last?

The Invisalign® treatment straightens your teeth using special sets of clear aligners over 12 to 18 months. After finishing with the last tray, you will have to put on retainers as your cosmetic dentist recommends. Apr 1, 2021

See also  Is life insurance 1099-R taxable?