Using nitrous oxide (laughing gas) in combination with local anesthesia can help reduce anxiety and pain.
I had my wisdom teeth
removed under general anesthesia in the early 80's. Teeth
were very much impacted. Swear the oral surgeon had to put his knee on my chest to get one out. One tooth did break. It was a little unnerving, but it all worked out well and I healed properly without any complications.