Articles on Teeth

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The Belle statue is a bronze monument at Oudekerksplein in Amsterdam. Unveiled in March 2007 by artist Els Rijerse, it honors sex workers worldwide. Its plaque reads, “Respect sex workers all over the world.” Bumble Dee/Shutterstock

How damaged teeth can reinforce stigma and disadvantage: conversations with street sex workers

Women in street sex work described pain, stigma and barriers to dental care.
Veterinary Dr. Benjamin Drouet is pictured working on a skull complete with teeth found at Peaugres safari park (Ardèche, France) that belonged to a white rhino. Camille Deaujeard

Did Neanderthals use rhinoceros teeth as tools?

A recent study provides evidence that Neanderthals used rhinoceros teeth as tools.
Fossil rock wallaby teeth from Mount Etna Caves and a portrait of a modern yellow-footed rock wallaby. Chris Laurikainen Gaete

Modern rock wallabies seem to survive by sticking together in small areas. Fossils show they need to travel

Today, rock wallabies rarely stray far from the safety of their rocky shelters. But the fossil record tells a very different story.
Sugar feeds the colonies of bacteria living in your mouth and surrounding your teeth. Andrii Zastrozhnov/iStock via Getty Images Plus

Sugar starts corroding your teeth within seconds – here’s how to protect your pearly whites from decay

Bacteria living in your mouth get to work as soon as you take your first bite or sip of something sweet. Consuming your sugar more strategically can help keep cavities at bay.
A child may temporarily have baby teeth, adult teeth and gaps all at once. BSIP/Universal Images Group via Getty Images

Why do people have baby teeth and adult teeth?

A pediatric dentist and an anthropologist explain how baby teeth and adult teeth help humans chomp their food over a long lifespan.
Artist’s illustration of Bullerichthys, a placoderm fish that could resorb its teeth like modern bony fishes do. Brian Choo & Peter Schouten

Many animals can reshape and shed their teeth – and now scientists have traced this ability back 380 million years

A new study of ancient, extinct fish known as placoderms provides another piece of the evolutionary puzzle about our deep time, aquatic ancestors.
Hobbits are exceptions to the rule that older ancient humans had proportionally larger wisdom teeth and smaller brains. Jim Watson/AFP via Getty Images

Hobbits of Flores evolved to be small by slowing down growth during childhood, new research on teeth and brain size suggests

New research on the size relationship between brains and wisdom teeth suggests that bigger brains aren’t necessarily the driving force in human evolution.

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