On my 2nd day. I'm scheduled for 34 trays, but possible wired braces at the end for refinements. My initial impression is that I have so much saliva all the time in my mouth. I'm hoping that as my body gets used to them, I'll be less spitty. I'm a teacher, so I don't want to spit all over my students!! I don't have much of a lisp, but I feel like I'm holding my mouth like Donald...

I'm 52 years old and began my invisalign treatment in May '11. I'm on tray 17 and I'm very happy with my progress so far. I tend to clench my teeth at the front, which actually has been helpful in moving along at about 10-11 days a tray. My orthodontist checked at my last visit, saying I'm not having any splaying of my back molars, so all is well. I began at the second tray...