What country has black teeth?

Why Some People in Vietnam Traditionally Have Black Teeth

In parts of Vietnam, a striking tradition has endured for centuries: the practice of turning teeth a glossy black. While it might seem unusual to modern eyes, this custom is deeply rooted in cultural identity and beauty ideals that stretch back to the Iron Age.

According to a recent study published in Archaeological and Anthropological Sciences, ancient Vietnamese people used a paste rich in iron to dye their teeth. This wasn't merely aesthetic—blackened teeth were seen as a mark of maturity, elegance, and even romantic appeal. The dark, lustrous finish was considered more refined than natural tooth color.

Researchers explain that the process involved applying a mixture containing iron compounds, which reacted with tannins in substances like tea or betel nut, creating a durable black coating. This method not only altered appearance but also may have offered some protection against tooth decay, a practical benefit alongside its cultural significance.

Though largely faded in urban areas, the tradition survives among older generations and in remote communities, particularly in the northern highlands. Even today, some elders take pride in their blackened teeth as a symbol of heritage and lifelong tradition.

Unlike artificial dental trends seen elsewhere, this practice evolved naturally within the culture—passed down through rituals and family customs. It reflects a broader Southeast Asian tradition of tooth modification, seen in varying forms across countries like Laos and parts of Thailand.

As Vietnam continues to modernize, traditions like teeth blackening serve as quiet reminders of a complex past. While fewer young people embrace the practice today, it remains a powerful emblem of identity—one that connects generations through shared values and ancestral pride.