I think cigarettes also fuck your teeth from the inside by starving your metabolism of key nutrients, whereas weed doesn't. Weed stains less as well obviously, but still stains.

Look at me giving out all the dentist adive, go to the dentist go to the dentist I AM THE ONE who needs to go to the dentist this bloody back tooth half the filling came out months ago and its starting to hurt now damnit...

eck.