Large tooth movements with invisalign retainers?

Based on your description, I would recommend going back to wearing the retainer full time day and night, then making an appointment with your dentist.  Your dentist can place a permanent (also called fixed) retainer that can be cemented to the back of your teeth as a little metal wire.  This will significantly reduce relapse.  I think that this would be the best option, considering that your tooth is very very mobile.  Good luck to you and I hope this helps. "Follow" me on Real Self to ask more questions of me.Sarah Thompson, DMD O'Fallon, IL and St. Louis, MO

Some normal shifting can happen, but this shifting
sounds fairy significant. I would recommend wearing your retainers full time
for a few months before going back to just nighttime wear. Also, please see
your dentist for routine preventive care to ensure that you don’t have bone
loss due to periodontal disease, another condition that can cause tooth
mobility (or loss.)

Some teeth can be a little mobile at the end and this is dependant on the length of the root, the amount of movement done, general health of the tooth.Sometimes the tooth may hit the upper tooth prematurely.In any case you could wear retainers day and night for a few months, but if that does not help then you may need a fixed retainer. The Vivera could be cut back to accomodate, or you could abandon it.