How Long Do I Have To Wear My Retainer For 24 Hours A Day. Now that you understand how long you should wear a retainer, you’ll want to find time to fit it into your daily routine. It’s normal for your teeth to slightly shift after having your invisalign braces removed or once you stop wearing invisalign.
You must continue to wear your retainer for life to prevent teeth shifting. It’s still very important but you’ll want to wear your retainer for about eight hours every 24 hours. You can remove your retainer for eating and cleaning, but otherwise, try to wear it at all times!
You'll typically wear this retainer full time for four months to a year after braces, only removing it when you're eating or brushing your teeth.
I advise long term wear of retainers, even if just for a few hours a day, or a few times a week. After that, you are able to wear your retainer only at night. Retainers keep teeth in place after braces or correct small orthodontic issues. Your retainers will fit for as long as you consistently wear them.