Even those who regularly clean their teeth typically don't brush for the recommended two minutes.
Prehistoric humans and their predecessors may have had a very different diet but their teeth suffered in similar ways to ours.
This new research offers compelling proof that the naysayers were right. "Mrs" Ples was actually a "Mr".
New discoveries are changing archaeologists' ideas about the origins of our own species and our migration out of Africa. This fossil pushes Homo sapiens' African exodus date back by 50,000 years.
Can you blame bad teeth on your genes? Here's why the answer is not as simple as you might think.
Ancient whales were neither gentle, nor giants: they were smaller than those of today and judging from their teeth, a lot meaner.
Diet and disease leave characteristic marks on our teeth which can reman for millions of years.
The evidence of a much earlier presence of humans in Indonesia was found more than 100 years ago. But only now has the age of the fossil teeth been accurately dated.
Homo naledi seems to have enjoyed small, hard foods like nuts.
Nicholas, aged 6, was watching TV one day when his tooth fell out. He noticed that the bottom edge of the tooth was very spiky. Now he wants to know why.
The theory that humankind originated in Europe is an old one. It was abandoned in 1924 when the first Australopithecus was discovered in South Africa.
Anthropologists gather clues about how our ancient ancestors lived from their teeth. What will future anthropologists make of us based on the fossilized pearly whites we'll leave behind?
CT scanning allows scientists to observe and "dissect" fossils digitally using computer software - and to uncover secrets that are hundreds of millions of years old.
Much like the hair you carefully rearrange before a selfie, your cheek muscles and the accompanying smile date back about 250 million years.
The first teeth may have evolved from combination of scales and tastebuds.
We know all about World War I's terrible conditions, tactics, tear gas. But what about the teeth?
Choosing a toothbrush is relatively simple. But how on earth do you decide between the 50-odd toothpastes on the supermarket shelves?
Modern sabre-tooth mammals have their canines constantly on display. This allows them to seduce mates. But was sexual selection also an important phenomenon among our pre-mammalian ancestors?
Understanding the genetic origins of sharks' teeth could one day lead to new treatments for humans.
PolicyCheck unpacks the detail and history of the Coalition's proposed dental health care policy.