Illustration of Teeth (IMAGE) University of Zurich Caption On each side of the jaw elephants have one single tooth which is slowly pushed forwards by a new bigger tooth and which then breaks off in pieces. Credit (Illustration: UZH) Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.