Since I retired a couple of years-or-so ago, I’ve had many dentistry-related dreams/nightmares. Many of these dreams find me suddenly planted back in a surgery somewhere, working on difficult patients with tricky clinical needs.
The poet Philip Larkin wrote words to the effect of "They mess you up, your mum and dad." They may very well do, but I think dental school has exactly the same effect on dentists.
Dental School. The Worst Days Of My Life