Well it's very good news that you are out of the cast now .. and no more horrid colour clashes will torment us again!!
Obviously it's not the news that you wanted to hear but at this stage it's good that you get rid of the cast and are able to start to do some exercises suggested. At least this is something you are in control of and from a psychological point of view must mean a hell of a lot right now??
At this stage I must ask that you refrain from falling down any more and pulling your own teeth out with sweets .. just a small request that if granted should help you along a little
Finally one of these

is making it's way to you