In the dream all five geldings were in fact NOT gelded. Somehow they had all lived to their current ages as stallions and jacks and the dental appointment transmuted in my dream into an appointment for five castrations.
"It will be bloody and dangerous," the vet said. "Be prepared."
I woke up in a state of horror.
Alas, the dentals were quiet and easy and I'm happy that I can check them off my list for this year!
The human mind is a powerful thing.