Liz. Invisalign Trays 9/52. I went to see my dentist last Saturday and was “allowed” to change to new trays a day early – wheyhey! He was a little concerned that my upper molars that have become so badly squashed inwards were wedged and that he might need to do some shaving off but then reviewed the Clincheck model and it seemed to show the trays pushing all the teeth together so decided not to. I look so hard to see any progress but quite honestly it is still really hard to see a difference and I am nearly at Trays 10/52, so I would love to see something! So patience needed. I admit to being a bit sloppy recently on the hours of wear a day, but try and make up for it on other days. Nearly 20% through however – so slowly slowly…..