Too many red flags.
Dated appeal and a very impatient and irritable man.
I understand that going to a dentist/oral surgeon is unpleasant to begin with but the least you can you do is treat your patience in a professional and courteous manner and address their concerns.
I asked a simple question about my extraction and was treated as if I interrupted/ annoyed him while he was working on the cure for cancer.
I'm about to pay big $$$ to have work done, i want to make sure the process is explained to me.
Get over yourself or friend another field.
There are much better options out there.