Scanning electron microscope image of wormlike structures 'growing' from dental tubules deep inside a molar. Image courtesy of University of Maryland, Baltimore. Inside a human tooth, more than 50,000 ...

Explore the fascinating structure of snail teeth, known as the radula, under the microscope.

Enamel from a fragment of an ancient rhinoceros tooth as seen under increasing levels of magnification. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to ...