I had all four of mine cut out when I was about 20. I had two that were impacted and pushing against the teeth in front of them causing them to hurt a little. I figured what the hell, there is no use getting two out and having to do the other two later. As far as I'm concerned......bad decision.
Remember I was 20 (10' tall & bulletproof) and was working seven days a week at the time. Had em taken out and went home for the evening. The good drugs wore off that night and I had to go to work in the morning, so nothing but Tylenol for me. I think that is the worst I've every hurt in my life.
If I had it to do all over again, I would definately do two at a time.