So I sealed off this Syringe with a match

No, but what would caffeine help with? I mean, did you mention caffeine because it helps treat the pain somehow?

http://www.nature.com/clpt/journal/v33/n...8368a.html

when i had my tooth removed, all i got was a local anesthetic. nothing else was given, though, i was perfectly fine.

Same here. Now I can rightfully lol at people who are too scared to stay awake during the operation.