Their four-part stomachs sort out sand and grit before they chew more

High-resolution microscopic images of the surface of dental enamel of lepidosauria, which is a subclass of reptile including monitor lizards, iguanas, lizards and tuatara, allow scientists to determine their dietary... more

Hearing aids, dental crowns, and limb prosthetics are some of the medical devices that can now be digitally designed and customized for individual patients,... more

Hearing aids, dental crowns, and limb prosthetics are some of the medical devices that can now be digitally designed and customized for individual patients, thanks to 3-D printing. more

A large study finds that people with unhealthy gums and teeth have a higher risk of liver cancer, which kills nearly 32,000 people per year in... more

A large study finds that people with unhealthy gums and teeth have a higher risk of liver cancer, which kills nearly 32,000 people per year in the U.S. more

A teenage boy was seriously injured when an e-cigarette exploded in his mouth, according to a new report of the case. more

Paleontologists have found two fossilized teeth of extinct cursorial hyenas (genus Chasmaporthetes) in the remote Old Crow River region in northern Yukon Territory, Canada.... more

Modern hyenas are known as hunters and scavengers in Asian and African ecosystems such as the savanna. But in ancient times, these powerful carnivores also roamed a very different landscape, inhabiting the... more

Charcot-Marie-Tooth disease is the most common inherited neurological disorder affecting peripheral motor and/or sensory nerves in humans. more

In quantum electrodynamics, the choice of gauge (i.e. specific mathematical formalism used to regulate degrees of freedom) can greatly influence the form of light-matter interactions. Interestingly,... more

The naked mole-rat is perhaps one of the most bizarre beasts on the planet.... more

Modern hyenas are known as hunters and scavengers in Asian and African ecosystems such as the savanna. more

Two teeth confirm the idea that hyenas crossed the Bering land bridge into North America, a study finds. more

An ultrasound imaging technique called passive cavitation imaging was able to create an image and estimate the amount of a drug that... more

When they graze, goats, sheep and cows often ingest bits of earth that can be damaging to their teeth. Researchers have now shown how the animals protect themselves against dental... more

When they graze, goats, sheep and cows often ingest bits of earth that can be damaging to their teeth. Researchers from the University of Zurich have now shown how the... more

Antibiotics may be an effective treatment option for a tooth infection. There are many different types of antibiotic and many other potential remedies. Learn more about... more

About 40,000 years ago, a wolf died in what we know as Siberia. Now its severed head has... more

New research overturns the belief that turning your crooked teeth into a beautiful smile will automatically boost your self-confidence. more

Research undertaken at the University of Adelaide overturns the belief that turning your crooked teeth into a beautiful smile will automatically boost your self-confidence. more

Consumption of sugary drinks is considered to be a key driver behind the global obesity epidemic, and is linked with tooth decay, diabetes and heart disease. Many public health bodies... more

A species of dragonfish called Aristostomias scintillans is a voracious predator of the deep sea with an arsenal of tools to hunt prey. It... more

People with undetected glucose disorders run a higher risk of both myocardial infarction and periodontitis, according to a new study. The results demonstrate the need of greater collaboration between dentistry... more

The teeth came from a genetically distinct population of humans. more

Two children's milk teeth buried deep in a remote archaeological site in north eastern Siberia have revealed a previously unknown... more

The transparent teeth of the deep-sea dragonfish help camouflage the dragonfish from their prey. The unique adaptation results from their teeth having an unusually crystalline nanostructure mixed with amorphous regions. more

Dwelling in the dark ocean depths, the dragonfish is a frightful marvel that would fit nicely... more

Two children's milk teeth buried deep in a remote archaeological site in north eastern Siberia have revealed a previously unknown... more

When a dragonfish smiles, nobody can see its fangs. Now researchers have figured out the secret behind this predator's invisible grin. more

Researchers have discovered what?s responsible for making the teeth of the deep-sea dragonfish transparent. This unique adaptation, which helps camouflage the dragonfish from their prey, results from their teeth having an unusually crystalline nanostructure... more

Tiny nanocrystals stop the chompers from reflecting any light more

A team of researchers led by the University of California San Diego have discovered what's responsible for making the teeth of the deep-sea dragonfish transparent. This unique adaptation, which helps camouflage the... more

The teeth of deep-sea dragonfish are transparent because of nanoscale crystals and rods that let light pass through without being scattered. more

Imagine a world where your odds of surviving minor surgery were one to three. A world... more

Dental disease is the most common health issue facing pet greyhounds, according to the largest ever study of greyhounds treated in first opinion veterinary clinics. The research, led by the... more

Researchers in Norway have discovered a clear connection between oral health and Alzheimer's disease. more

The researchers have determined that gum disease (gingivitis) plays a decisive role in whether a person develops Alzheimer´s or not. more

A team of researchers with members affiliated with several institutions in Argentina has found evidence that suggests the canine teeth of the saber-toothed cat... more

Scalpel,. Check. Sponge,. Check. Fire extinguisher...check? more

At this year's Euroanaesthesia Congress (the annual meeting of the European Society of Anaesthesiology) in Vienna, Austria (1-3 June), doctors present the unique case of a man who... more

Antibiotics prescribed by dentists as a preemptive strike against infection are unnecessary 81% of the time. more

Two Smilodon fossils skulls from Argentina have puncture holes likely left by the teeth of rival cats. more

Intensive radiotherapy can be toxic in 60 percent of patients with tumors located in the gastrointestinal cavity. Increases in levels of the protein URI protect mice against high-dose ionizing radiation-induced... more

Physicists and mathematicians use the classical Stefan problem to explain the principles of crystal formation, such as those that create snowflakes . Researchers in the University of Helsinki and Aalto University have... more