Why invisalign not working
If you notice a gap between your teeth and your clear aligner trays, this means they may not be tracking correctly. This is problematic for treatment, as clear aligners must fit snugly over your teeth to generate the orthodontic force required to move them into new positions.
Observing your smile in the mirror is the best method for how to tell if aligners are tracking. When you do this, you'll be looking to make sure your aligners are:
