on 17 Mar 2013
Sorry to hear you lost your tray. Its especially a bummer it was your very last one - ugh! :-( Do you know if the dentist was planning on doing a set of refinements for you? You might want to ask, because perhaps you could just skip to the refinement trays??
Here is a Q&A that will probably be helpful:
What's the Cost of Invisalign Replacement Tray?
Before & Afters from Doctors (210)