Teeth

Tooth-mounted sensor

This Tiny Tooth Sensor Could Keep Track of the Food You Eat

The tooth-mounted device can recognize glucose, salt and alcohol, and researchers hope it can one day detect much more

The truth is in the tooth

New Research Dispels the Myth That Ancient Cultures Had Universally Short Lifespans

Teeth are key to identifying elderly remains

A baby gray whale surfaces in Magdalena Bay, Baja, Mexico.

A Whale’s Baleen Bristles Reveal the Story of Its Life

Like tree rings, these layered plates hold chemical clues to how the animals adapt to a changing world

The Neanderthal teeth, including the impacted molar

Neanderthals May Have Used Toothpicks to Treat Aching Teeth

A Neanderthal living in what is now Croatia and wore grooves in his or her teeth trying to soothe the pain

Do Other Animals Have Baby Teeth and More Questions From Our Readers

You asked, we answered

Why These Vegetarian Monkeys Have Sharp Predator Teeth

In the Ethiopian highlands, native Geladas have impressive canines despite being grass eaters. The reason is simple: The males need to defend themselves

The El Graeco jawbone

Controversial Study Claims Apes and Human Ancestors Split in Southern Europe

Researchers believe these 7.2-million-year-old teeth have a lot to say about human evolution

Computer-assisted reconstruction of the cavities

13,000-Year-Old Fillings Were “Drilled” With Stone and Packed With Tar

You can't handle the tooth

How did the sabertooth cat wield its excess of tooth?

How Did Sabercats Use Those Outlandish Fangs?

We’ve barely scratched the surface of how this charismatic cat utilized its dental cutlery

Paleo diet? Not so much. Thanks to Neanderthal dental plaque, researchers are getting a much better idea of what our ancestors actually dined on.

Scientists Delve Into Neanderthal Dental Plaque to Understand How They Lived and Ate

The plaque that coated Neanderthal teeth is shedding new light on how our ancestors ate, self-medicated and interacted with humans

This animal hair toothbrush (horse hair, to be exact) is said to have belonged to Napoleon Bonaparte.

You Can Still Buy Pig-Hair Toothbrushes

There's an argument for it, given all the environmental destruction causes by plastic ones

A Great White Can Go Through 20,000 Teeth in Its Lifetime

While a great white shark's 300 serrated teeth are an amazing hunting adaptation, what's even more amazing is their replaceability

"Painless Parker" wore a necklace of teeth to lure in achy victims.

A Brief History of America's Most Outrageous Dentist

Painless Parker and his dental circus live on in a Philadelphia museum

Erich Fitzgerald and Tim Ziegler with a 3D model of Alfred's skull.

The Earliest Baleen Whales Literally Sucked

No offense to toothy whale ancestors

Suspected 1665 Great Plague pit unearthed at Crossrail Liverpool Street site

DNA from 17th-Century Teeth Confirms Cause of London’s Great Plague

Skeletons excavated from a mass grave during London’s Crossrail project yield new clues about the ancient mystery

Why Do Humans Have Canine Teeth and More Questions From Our Readers

You asked, we answered

This 3D printed tooth could kill germs in your mouth

These 3D Printed Teeth Fight Bacteria

Researchers in the Netherlands are making dental implants that kill microbes that settle on them

These Magic Toothbrushes Work Without Toothpaste

A new brush—and an old one, too—that don't rely on possibly harmful pastes to make your smile shine

How the Sugar Industry Influenced Dental Research

Newly uncovered “sugar papers” reveal that the sugar lobby played a major role in 1970s dental public health policies

George Washington's only complete set of dentures, made out of lead, human teeth, cow teeth and elephant ivory.  

George Washington Didn’t Have Wooden Teeth—They Were Ivory

Washington's teeth were made of a lot of things, but not wood

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