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  "path": "/science/news-science/tooth-blackening-in-ancient-vietnam/",
  "publishedAt": "2026-02-16T16:33:00.000Z",
  "site": "https://www.zmescience.com",
  "tags": [
    "Anthropology",
    "Archaeology",
    "Chemistry",
    "News",
    "ancient teeth",
    "ancient Vietnamese culture",
    "Iron Age",
    "teeth",
    "tooth blackening",
    "Vietnam"
  ],
  "textContent": "Researchers recreated a 2,000 year old recipe to see how ancient people dyed their teeth black.",
  "title": "The Secret Behind Vietnam’s 2,000-Year-Old Black Teeth Fashion Is Now Out"
}