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Are New Trays Suppose to Feel Like They Don't Fit Properly?

asked 5 months ago by MaiJ
Latest answer by Scott Frey, DDS
Question viewed 123 times
Tags: placement, tray

I just moved onto my 2nd tray of Invisalign. Is it normal for the trays to feel like they they don't fit the right way? It's not as form fitting like the first tray was. When I bite down I can feel the trays going closer to my teeth.

4 answers to Are New Trays Suppose to Feel Like They Don't Fit Properly?

+1

1st may have been a non-active tray, to ease you in to aligners

As convenient as Invisalign is, it is frequently helpful to ease patients into Invisalign. Many doctors will wait to put on attachments and even to start the process of pushing on the teeth until the second set of aligners. You mentioned the first set was "form fitting" so this is a possibility. As the other doctors have mentioned new aligners are supposed to feel tight when they first go in and with proper wear over 2 weeks get to the point where they no longer feel like they... more
+1

Invisalign fit

That is a hard question to answer. It is probably best if you have the dentist look at it. It would not be abnormal if it flet the way you described. As time progresses the teeth move into the tray. If there is more than a couple of mm movement or discrepancy something may be wrong.
+1

A new set of aligners always feel "tighter" when put in.

The new set of trays should feel tighter, but they should NOT move up or down as you bite. Perhaps you did not wear your first set as regularly and consistently as you were instructed : 22/7! Or perhaps you needed to wear the first set a little longer than the minimum 2 weeks.
+1

Why do new aligners feel less fitting?

Great question! The way this system works is by programming a small amount of tooth movement into each set of aligners. So the first set took your teeth from point A to point B, while the second set will take your teeth from point B to point C. A new set of aligners should feel tight and your teeth might even get sore after you wear them for a day. This sensation should wear off as the teeth move closer to their point C position and the programmed tooth movement in that set... more

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