Dinosaurs had lots of teeth to spare

Dinosaurs almost bankrupted the tooth fairy. New research shows that the lumbering plant-eaters called sauropods produced new teeth as often as twice per month and had up to nine backup teeth in a single tooth socket.

http://www.charlotte-sun.com/sunnews/portcharlotte/5536102-455/sunnewspapersdinosaurshadlotsofteethtospare.html.csp