Had all mine out in one morning as well.
Actually was probably one of the more entertaining things I've ever done in my life. Seriously.
The put this magical cap on your nose and tell you breath until the room starts to spin (or was it stop when the room starts to spin?). Anyone who gets put down during this operation is missing out on a completely legal and amazing state of altered consciousness. Imagine, you feel pretty much all of the pain--but you just don't care! As your head jerks from side to side w/ the force of the dentist ripping your four largest teeth from your gums, you can't help but let out a sigh and think to yourself, "whatever, take the front ones too; no worries here."
This was in highschool and I was quite the "stoner"
(you kids still use that word?), so this kinda thing was right up my alley.
By the way, I don't advocate (or recommend) any kind of recreational drug use. While it's possible to survive your wild years, there's no good reason to put your body through that stuff. It's not about "just saying no", but more "don't be stupid--it's just not worth it". Trust someone who's been there.