How many of you drummers play with your teeth?

I read one of Dave Grohl's books recently where he says he has always played beats using his teeth. Sometimes consciously but often times not. He also says the only other person he's ever heard of doing that was Kurt ..and you can see Kurt doing that quite a bit (unplugged especially) as part of keeping in time etc.

I've been doing this since before I ever picked up sticks and have the enamel wear to prove it lol. I'm no musician so for me its just patterns and hooks for songs in my head, nothing to do with keeping time etc.

I'm curious now though, do you guys do this as well?