Laura.. I pray that your mom-mom makes it through the night to be able to see the vet tomorrow. It sounds like maybe more is going on for her than just needed tooth extractions if she is in that much pain and suffering.
I am scared for her, I hate to say it, DKA, with her numbers being so high and her not eating. You need to make sure to let this vet know that MOM-MOM is a diabetic cat, and I would have them test for possible DKA.
If it is DKA, wouldn't even wait for tomorrow morning. I would get her to 24hr emergency vet clinic right now.
Good luck, and lots of prayers for you both!