Meanwhile, whitening strips, which spend a good deal more time on your teeth, are generally a good option, the experts say. Some strips have the ADA Seal of Acceptance as well. Finally, there are ...

For decades, small grooves on ancient human teeth were thought to be evidence of deliberate tool use – people cleaning their teeth with sticks or fibres, or easing gum pain with makeshift “toothpicks” ...

Why are fossilized teeth dark and shiny? Learn the science behind the preservation process that gives these fossils their ...

Thanks for all the great tips! I wanted to clarify something that Sarah P., from Bakersfield, California, asked about using ...

A new study of ancient, extinct fish known as placoderms provides another piece of the evolutionary puzzle about our deep ...

Scientists studied how the sea creatures, also known as chimaeras or ghost sharks, ended up with one of evolution’s most bizarre appendages. By Jack Tamisiea Life in the ocean’s dark depths can be ...

Two distinct stem cell lineages that drive tooth root and alveolar bone formation have been identified by researchers from ...

Whether you've got a big event lined up or you're just tired of staring at your face on Zoom, whitening your teeth at home can be a more complicated project than you think. With so many ...

WEST FRANKFORT — This week, Delta Dental of Illinois Foundation’s Land of Smiles visited Denning Elementary School, reaching 320 pre-kindergarten through third grade students. Land of Smiles is a free ...

Ghost sharks have evolved rows of true teeth on a bizarre forehead rod used for mating. Fossil and genetic evidence revealed the tenaculum’s teeth develop the same way as those inside the mouth, ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? While a whiter smile seems to be the primary benefit being peddled on social ...