Detailed PICture reveals how tooth enamel is strong enough to last a lifetime

In new research published Sept. 26 in the journal Nature Communications, Physics professor Pupa Gilbert and her collaborators, including MIT engineering Professor Markus Buehler and University of Pittsburgh oral biology Professor Elia Beniash, used advanced imaging techniques to see a clearer picture of the organization of individual enamel crystals in human teeth. They found that these crystals are not perfectly aligned, as had been previously thought, and that this misorientation likely deflects cracks, leading to enamel’s lifelong strength.

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