Chemical analysis of 2,000-year-old human teeth from northern Vietnam has confirmed that ancient inhabitants deliberately blackened their enamel using iron-based compounds, settling a long-running ...

A photo of a woman with blackened teeth in Northern Vietnam. A woman in the Lu minority group displays blackened teeth in Northern Vietnam’s Lai Chau Province in 2005. The tradition is also practiced ...

Not everyone wants their teeth to be white and gleaming. Tooth blackening is a recognized part of modern Vietnamese culture, and a recent discovery hints that the roots of this practice may stretch ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Archaeologists in Vietnam have uncovered the earliest known evidence of ...