He told his staff to tell you he wasn't going to treat you

??! Unethical
and a coward ... A double charmer!
I'm so sorry you're going through such a difficult time. I'm sure the link Chemar's provided will connect you with folks who have understanding of & experience with dry socket. Their knowledge will help you, give you a sense of ... Well, it's a buzzword these days, but I think you'll feel some power, just because you'll understand better the beginning/middle/end process.
I live alone too & know how empty that can feel when you're sick. This place is terrific when it comes to support. Maybe all we can do is say I know, I've been there; sometimes, though, those are the sweetest words I could hear.
Ask questions, keep coming back, & take good care

!