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Teeth blackening. Nishiki-e by Utagawa Kunisada, 1820, from the series Mirrors of the modern boudoir.. Ohaguro (Japanese: お歯黒, pronounced, lit. ' black teeth ') is the name given in Japan to the custom of blackening one's teeth with a solution of iron filings and vinegar.
Teeth blackening or teeth lacquering is a custom of dyeing one's teeth black. It was most predominantly practiced in Southeast Asian and Oceanic cultures, particularly among Austronesian , Austroasiatic , and Kra–Dai-speaking peoples .
Teeth blackening during the Heian period, known as ohaguro, involved coating the teeth black with paint, mainly done by the wealthy. There are many suspected reasons Japanese people practiced teeth blackening. Some sources claim black teeth imitated tooth decay, and decay was a status symbol as only the wealthy could afford sweets. [9]
The people there are black. They eat rice and eat snakes. North of Black Tooth lies Fusang. [4] [5] There is a land of black teeth. He is a descendant of Emperor Shun. He has the surname Jiang. He eats prosoil and uses four birds. [6] [7] In The Tale of Genji, Suetsumuhana it is said「Ohaguro The mountain and the sea are the land of black ...
The result was black baby teeth. The author's daughter developed several cavities before her second birthday and underwent treatment to prevent more. The result was black baby teeth.
Tooth decay, also known as cavities or caries, [a] is the breakdown of teeth due to acids produced by bacteria. [6] The cavities may be a number of different colors, from yellow to black. [1]
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After examining specimens of affected enamel, in 1916 Black described the condition as "[a]n endemic imperfection of the enamel of the teeth, heretofore unknown in the literature of dentistry." [ 12 ] They made the interesting observation that although the mottled enamel was hypomineralized, and therefore should be more susceptible to decay ...