Abfraction lesions are small cracks or notches in your teeth caused by the natural flexing of teeth over time. Each time you clench your teeth, chew or bite down on something, pressure is put on your ...

Even more striking, in more than 500 wild primates, across 27 species both living and fossil, we found no trace of a common modern dental disease: deep, V-shaped gumline notches called abfraction ...

For decades, tiny grooves on fossilized human teeth were believed to be signs of early dental hygiene, evidence that ancient people used sticks or plant fibers as primitive toothpicks. But new ...

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” ...