IPR Before or After Invisalign?

Most dentists would choose to do IPR near the beginning of treatment. It may be prudent to wait until close to the end of treatment, but often in order for some teeth to move IPR must be done to free up the space. In other cases, it is easier to do the IPR after moving the teeth. If you have a question as to when it should be done, talk to the treating dentist, they will be able to give you a reason for postponing it.

In most cases, IPR is performed at the beginning of your treatment but your dentist is following the instructions. Check the Clincheck to find out how you like the final stage of Invisalign.

Ipr is done to allow movement when teeth are crowded and not get "locked". If IPR is indicated in your Invisalign prescription, then allow your dentist to at least do minimal reduction and monitor you to make sure you are getting enough movement

Sometimes when teeth are crowded, IPR cannot be done conservatively due to access.  After teeth have moved, access improves and IPR can be done better.  It is not unusual to do IPR at the beginning, middle AND near the end of treatment.
Every case is different.