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Disrupting the light/dark cycles of pregnant mice, researchers observe detrimental effects in the mouths of the animals’ pups.

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image: Telltale Mouth Microbes

Telltale Mouth Microbes

By Jyoti Madhusoodanan | September 9, 2015

The composition of the plaque microbiome can reveal a child’s risk of dental caries months before the decay appears, according to a study.

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image: Saw-toothed Dinos

Saw-toothed Dinos

By Amanda B. Keener | July 29, 2015

Microscopic analysis of carnivorous dinosaur teeth reveals specialized serrated edges.

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image: Mining the Mouth’s Many Microbes

Mining the Mouth’s Many Microbes

By Tracy Vence | June 18, 2014

The oral cavity contains several distinct and dynamic microbial communities, and some of these commensals may seed the body’s other microbiomes.

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image: Making Sense of the Narwhal Tusk

Making Sense of the Narwhal Tusk

By Kerry Grens | March 18, 2014

Emerging evidence suggests that the marine mammal’s long front tooth might help the narwhal sense environmental changes.  

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image: <em>The Scientist</em> on The Pulse #3

The Scientist on The Pulse #3

By Kerry Grens | January 28, 2014

Kerry Grens chats about ancient tooth decay, asthma, and fat cells.

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image: Teasing Out New Teeth

Teasing Out New Teeth

By Dan Cossins | March 12, 2013

Researchers mix cells from human adult gum tissue with tooth-inducing cells from mouse embryos to grow new hybrid teeth complete with roots.

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image: Braking for Whales

Braking for Whales

By Kate Yandell | February 19, 2013

Fossils of four new cetacean species have been discovered at a road construction site in California.

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image: First Stem-Cell-Organ Transplant

First Stem-Cell-Organ Transplant

By Jessica P. Johnson | July 13, 2011

A fully-functional tooth grown from stem cells is successfully implanted into a mouse.

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