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Can I change my Invisalign aligners if they are still tight after two weeks?

I'm on my first tray of Invisalign. My top aligners have been loose since the end of the first week. After 10 days, my bottom aligners are very loose on the side (the bottom even bend easily when I try to put them too fast, and then I have to bend them back to original form), but the front teeth still feel very tight when I put them on. Can I still switch to tray two in 4 days without risking messing with my whole treatment?

Doctor Answers 1

October 20th, 2016

When to Switch Aligners

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Considering that you are just starting your Invisalign treatment, it is quite normal for your teeth to feel tight especially if those particular teeth are crowded.  If your orthodontist instructed you to change the aligners every 14 days, then follow the recommendation.  If however when you switch to aligner #2 there is a fit issue, then contact your orthodontist as soon as possible.  Best of luck!

Maya V. Oliver, DDS


Washington Orthodontist
5.0 out of 5 stars 11 reviews

*Treatment results may vary

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These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.