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Why is it that my Invisalign trays appear to change shape after wearing?

elchupaJan 22, 2017
I have a functional posterior cross-bite that may or may not be completely corrected at the end of treatment. The trays have some expansion in them. When I fit the top and bottom trays together before each first wear of the new aligner, they are not in cross-bite. When I do so after wearing them for a while, the trays appear slightly in cross-bite. Is this change in the tray arch typical?

Answers (1)

From board-certified doctors and trusted medical professionals
Dr. Lance Timmerman, DMD, MAGD - Account Suspended
Dentist
Answered on Jan 25, 2017
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Curtis B. Bedont, DMD

There are times when an attachment needs to be removed during a series of Invisalign aligners. This is usually when a power ridge needs to be placed on the aligner, since attachments and power ridges cannot be used at the same time for a specific tooth. If you still have the attachment on your...

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Curtis B. Bedont, DMD

Since you are still able to wear your retainer, I suggest you continue wearing it until you can get back to see your Orthodontist to have them repaired or replaced. There's small likelihood of having your teeth shift if you continue to wear them. But be sure to contact...

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Nirav Patel, MDS, PhD

My first question is , what is yr age? just to check , its normal or delayed eruption. its my advice to visit orthodontist. xrays is must in such cases to check position of teeth in bone. basis on that it is easy to decide whether u r good candidate for aligner or braces, and its timing.

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