Advanced imaging revealed a sharp zinc increase toward the tooth pulp, tracking higher dentine porosity. The results could ...

Teeth are composites of mineral and protein, with a bulk of bony dentin that is highly porous. This structure allows teeth to ...

The tiny teeth of a long-extinct vertebrate -- with tips only two micrometers across: one twentieth the width of a human hair -- are the sharpest dental structures ever measured, new research has ...