Strange, but true, in the early 80s, Frank Zappa joined showbiz celebs like Nipsey Russell, Scatman Crothers, Erik Estrada, Henny Youngman, and One Day at a Time mom, Bonnie Franklin, to record radio PSAs for the American Dental Association. The spots admonished kids to brush, floss and go for regular dental check-ups. Here are three of them: “Dental Floss Tycoon,” “Trick Or Treat” and “Keep Your Teeth.”
 

 
Thank you Wilson Smith!