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The teeth of the tammar wallaby don’t grow in the way you’d expect – and scientists want to know why.
If you made it past early childhood, your chances got better to see your golden years.
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Nasty, brutish – but not necessarily short. Here’s how archaeologists know plenty of people didn’t die young.
Did you know enamel is the hardest substance in the body? And if you feel pain, it could mean there’s a problem deep inside your tooth.
Megalodon would have dwarfed today’s great white sharks.
Christina Spence Morgan
Megalodon, the world’s largest known shark species, swam the oceans long before humans existed. Its teeth are all that’s left, and they tell a story of an apex predator that vanished.
A national dental care program for low-income Canadians plans to launch coverage for children under age 12 in 2022.
A national dental care program is welcome news, but raises several ‘billion-dollar’ questions about how the program will work and what will be covered. Here are seven principles to guide decisions.
A public dental care plan would give many Canadians reason to smile.
Canada’s health system does not include dental coverage, leaving a large gap in care that’s existed since its beginning. It’s time to ensure access to oral care.
Do you brush for two minutes, with the correct type of brush and toothpaste? Did you know you’re supposed to spit, not rinse after brushing? And that brushing at the wrong time can cause damage?
Today, teens are often seen as troublesome and difficult. Ancient Roman writers also described adolescence as a period of “hooliganism and debauchery.”
Teens across millennia have yearned to explore, try new things and participate in risky behaviours. The key difference, however, seems to be the experience of a rebellion or restlessness.
We studied 8,000 primate teeth and finally confirmed that humans are not the only living primate to suffer from cavities. But there are interesting differences.
Stress is one of the main contributing factors.
The two minute rule has been recommended since the 70s.
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Three to four minutes may actually be ideal for plaque removal.
Your teeth will be better off if you refrain from chomping on ice cubes.
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A dentist explains why this is a habit worth breaking – no matter the cause or the strength of your cravings to keep doing it.
The researchers found tooth shape varied, depending on the types of food a carnivore regularly bites into – in much the same way we choose a kitchen knife depending on what we’re cutting up.
A close-up of the head of a leafcutter ant, Atta cephalotes, showing the metal-infused teeth on its mandibles.
Many small animals make their teeth and claws from a smooth blend of proteins and heavy elements. These materials can form very sharp tools that make it possible to cut tough substances using tiny muscles.
Tassie devils are notorious scavengers, eating everything from echidnas to stranded whales. Understanding how their teeth wear down can help us feed and protect captive populations.
The health of your teeth has a major effect on your body.
Cavity-free teeth depend on many factors, and heredity may not be the most important.
A piece of a Priosphenodon lower jaw found in the field in Argentina.
The recent discovery of fragments of a jaw fossil show that at one point, herbivorous reptiles evolved highly complex and efficient teeth.
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Some snakes have tough, blunt fangs for cracking crabs. Others have sharp needles for getting a grip on mice.
The ruins of the Temple of Victory in Himera, which was constructed to commemorate the first battle in 480 B.C.
Are the descriptions of war passed down by ancient historians accurate? A site in Sicily provided a rare chance to fact-check stories told about two battles from more than 2,400 years ago.
Scientists have long believed that sharks were the first vertebrates to evolve teeth. Our new study reveals a more complex history.