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Search results for dentin

Archaeology Oct 17, 2016

Ancient fish illuminates one of the mysteries of childhood

Remember dropping your milk teeth? After a lot of wiggling the tooth finally dropped out. But in your hand was only the enamel-covered crown: the entire root of the tooth had somehow disappeared. In a paper published in Nature, ...

Archaeology Jul 18, 2016

Hundreds of years later, teeth tell the story of people who didn't get enough sunshine

Researchers at McMaster University have found a rich new record of vitamin D deficiency, one that resides in the teeth of every person and remains viable for hundreds of years or more.

Nanomaterials Jun 2, 2016

Dentin nanostructures—a super-natural phenomenon

Dentin is one of the most durable biological materials in the human body. Researchers from Charité - Universitätsmedizin Berlin were able to show that the reason for this can be traced to its nanostructures and specifically ...

Ecology May 11, 2016

What mountain gorillas reveal with their teeth

Mountain gorillas from Volcanoes National Park in Rwanda eat up to 30 kilos of plants a day and their diet is highly varied in a habitat that is becoming increasingly fragmented as a result of illegal hunting and deforestation. ...

Archaeology Apr 20, 2016

Konobelodon was discovered firstly in China

Konobelodon is a lesser known proboscidean species and was first reported in the U.S. in 1990. Owing to limited data, not much is known about its morphology, and its classification status has been controversial. In 2015, ...

General Âé¶¹ÒùÔºics Nov 19, 2015

New X-ray method uses scattering to visualize nanostructures

Both in materials science and in biomedical research it is important to be able to view minute nanostructures, for example in carbon-fiber materials and bones. A team from the Technical University of Munich (TUM), the University ...

Evolution Oct 19, 2015

Regrow a tooth? Fish—yes; humans—maybe some day

When a Lake Malawi cichlid loses a tooth, a new one drops neatly into place as a replacement. Why can't humans similarly regrow teeth lost to injury or disease?

Bio & Medicine Oct 19, 2015

Nanotechnology inspires next-generation dental materials

Have a cavity? Ask your dentist about filling it with a mixture of nanoparticles including silica and zirconia. These white fillings (known as nano-composite resins) resemble teeth better than their metal alternatives and ...

Materials Science Sep 27, 2015

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 ...

Archaeology Sep 10, 2015

Neolithic skeleton reveals early history of rickets

Rickets has been identified in a Neolithic skeleton from the Scottish island of Tiree, making it the earliest case of the disease in the UK, according to research announced at the British Science Festival in Bradford.

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