What's the most disturbing and/or realistic dream you ever had?

[mrdevious]

I have dreams where my teeth are falling out. For some reason those dreams really really disturb me.

http://www.dreammoods.com/cgibin/tee...rch=teethintro

I recognized this from hearing about it in psychology, so I found a site with some psychological explanation for this occurence which shows up in many people.