Chemical analysis of 2,000-year-old human teeth from northern Vietnam has confirmed that ancient inhabitants deliberately ...
The discovery presents some of the oldest physical evidence that tooth-blackening trends in Vietnam have stayed consistent for a very, very long time.
In a study of 2,000-year-old skulls from Vietnam, archaeologists discovered that iron was the primary component that dyed teeth black.
Not everyone wants their teeth to be white and gleaming. Tooth blackening is a recognized part of modern Vietnamese culture, ...
The ancient Southeast Asian practice of tooth blackening was once thought to have emerged ...