Did you know your teeth are harder than bones? In fact, they are harder than steel.

Tooth enamel is unique in that it has to last our entire lifetime. The mineralisation process that produces tooth enamel creates an incredibly tough substance that is even harder than steel.

New research reveals a never-before-seen mechanism for crack deflection that helps make its exceptional resilience possible.

Read more at https://www.sciencealert.com/new-discovery-reveals-the-hidden-secret-of-how-teeth-can-last-your-entire-life