Sorry you’re having to deal with this.
As I read through this thread, I’m reminded that this is one way the world has changed for the better.
Any member over 40 can ask the generations older than them and likely learn about a family member or two who died of dental infections. It was a top 10 cause of death for hundreds of years. If you query someone under 40, it’s unlikely that they know anyone who died of one.
50 years ago, by 40 you had likely had several teeth pulled - and many adults were absolutely plagued by dental issues. A kid born today with fluoridated water, a good diet, and decent dental hygiene may well die at an old age with all of their natural teeth.
All that to say - sorry for all the trouble it’s caused you - but thank the good Lord for Amoxicillin.