Hominins may have been food for carnivores 500,000 years ago

Tooth-marks on a 500,000-year-old hominin femur bone found in a Moroccan cave indicate that it was consumed by large carnivores, likely hyenas, according to a study published April 27, 2016 in the open-access journal PLOS ...

How bioceramics could help fight gum disease

Severe gum disease known as periodontitis can lead to tooth loss, and treating it remains a challenge. But new approaches involving silicon nitride, a ceramic material used in spinal implants, could be on the way. The surface ...

Saber-toothed cats hunted on the South American plains

Like the lion which today lives in the African savannah, the saber-tooth "tiger," Smilodon populator, inhabited the open, dry country found in South America during the ice age, according to Professor Hervé Bocherens of the ...

'Jaws' may help humans grow new teeth, shark study suggests

A new insight into how sharks regenerate their teeth, which may pave the way for the development of therapies to help humans with tooth loss, has been discovered by scientists at the University of Sheffield.

Biomimetic dental prosthesis

There are few tougher, more durable structures in nature than teeth or seashells. The secret of these materials lies in their unique fine structure: they are composed of different layers in which numerous micro-platelets ...

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