page_title: Austronesian peoples
section_title: Dental modification
hierarchical_section_title: Austronesian peoples / Culture / Body art / Dental modification
caption_attribution_description: Nederlands: Negatief. Tandenvijlen
context_page_description: The Austronesian peoples, or more accurately Austronesian-speaking peoples, are a large group of various peoples in Taiwan, Maritime Southeast Asia, Oceania and Madagascar, that speak the Austronesian languages. The nations and territories predominantly populated by Austronesian-speaking peoples are sometimes known collectively as Austronesia.
  Based on the current scientific consensus, they originate from a prehistoric seaborne migration from Taiwan, at around 3000 to 1500 BCE, known as the Austronesian expansion. Austronesians were the first people to invent maritime sailing technology which enabled their rapid dispersal into the islands of the Indo-Pacific. They assimilated the earlier Paleolithic Negrito, Orang Asli, and the Australo-Melanesian Papuan populations in the islands at varying levels of admixture. They also reached Rapa Nui, Japan, Madagascar, New Zealand and Hawaii at their furthest extent, possibly also reaching the Americas. A.G. Ioannidis et al. published in 2020 a genome analysis showing an Austronesian contact to South America around 1150–1200, the earliest one between Fatu Hiva from the Marquesas Islands, and Colombia.
context_section_description: Teeth blackening was the custom of dyeing one's teeth black with various tannin-rich plant dyes. It was practiced throughout almost the entire range of Austronesia, including Island Southeast Asia, Madagascar, Micronesia, and Island Melanesia, reaching as far east as Malaita. However, it was absent in Polynesia. It also existed in non-Austronesian populations in Mainland Southeast Asia and Japan. The practice was primarily preventative, as it reduced the chances of developing tooth decay similar to modern dental sealants. It also had cultural significance and was seen as beautiful. A common sentiment was that blackened teeth separated humans from animals.
  Teeth blackening was often done in conjunction with other modifications to the teeth associated with beauty standards, including teeth removal (evulsion) and teeth filing.
caption: Teeth filing on a Mentawai man in the Mentawai Islands, Indonesia, c. 1938
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