Because they want to prevent plaque build-up.
It sticks around for more than 1 Season, and doesn't want to go.
Because they want to prevent people from bumming fags
My zipper.
tooth-hurty
They're both experts at placing temporary crowns.
The No-Bell prize!
The No-Bell prize.
N! One to change the light bulb, and n-1 to display stereotypical behavioral traits of X!
The Sithsonian.