I am wondering if it is absolutely necessary to wear the retainers for 2 weeks, sometimes I change them in 10-12 days because they fit well. What happens when you change them too quickly and move on?
Changing Retainers Too Quickly After Invisalign?
Doctor Answers 2
Do not skip ahead of your Invisalign aligners
Your end result will not be on track if you speed up your own treatment times..Its actually a good thing to wear them a bit longer (16 days) before moving forword with the next aligner. Please discuss your actions next time you go in to see your doctor.
Stay with old aligners for 2 weeks to be certain
I think you mean "aligners". Retainers are something different. Your teeth might be moving fast enough to get away with this. Everyone is different. If ever a new aligner doesn't seat completely or seats with difficulty, stay with the old one for the full two weeks.