I got them out about two years ago. I believe all four had to be taken out. Everything was fine until I got some food stuck in the wound. It hurt for a few days, but I eventually got it out and the pain went away immediately
After that, I didn't have any more problems.
By the way, I had no idea you could choose to have the operation done without being knocked out first. I just assumed it was the law or something to be knocked out
Glad that I didn't have to be awake while experiencing it!