Hannah Kero has lost five adult teeth already and is fundraising for implants so she can finally smile with confidence.

People who can’t afford to treat tooth decay may live with pain and have missing teeth – and they’re more likely to face discrimination.

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” ...

If you’ve ever picked up a shark’s tooth on the beach or seen a prehistoric creature’s skull on display at a natural history ...

For the past several years, one promising option has been a liquid called silver diamine fluoride. Applied directly to the ...