Thanks, Catlady711, that was very informative.
Wolfsoul, the tooth that is half cracked off is one of Star's large molars, no way no how is a tug going to get it out! This is a job for powertools. I'm glad I won't be there to see it, I'd probably freak out when they start in with the saws.
I feel bad for her that so many have to come out. I'm wondering why none of her previous vets ever brought this up? Oh well, it's time to take care of it.