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Teeth blackening. Nishiki-e by Utagawa Kunisada, 1820, from the series Mirrors of the modern boudoir.

Ohaguro (お歯黒, 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. It was especially popular between the Heian and Edo periods, from the 10th century[1][2] until the late 19th century, but the opening of the country to Western customs during the Meiji period led to its gradual disappearance. It was a tradition practiced mainly by married women and some men, almost always members of the aristocracy and samurai. In addition to Japanese society's preference for black teeth, it was also considered beneficial to health, as it prevented tooth decay by acting as a dental sealant.[3] The practice of dyeing one's teeth black was also a known and widespread practice in southeastern China and Southeast Asia, although with different recipes.

Etymology

Geisha blackening her teeth at 1:00 p.m.. Ukiyo-e by Tsukioka Yoshitoshi, number 13 in the series 24 hours in Shinbashi and Yanagibashi.

The word ohaguro is composed of the honorific prefix o- (お), the term ha (歯, 'tooth'), and the term kuro (黒, 'black').[4] Due to a phonological process called rendaku, the "k" in kuro voices to become a "g" sound, and the compound term is pronounced ohaguro, not *ohakuro.[5]

The term ohaguro arose among upper-class women in the early Edo period as part of nyōbō kotoba or "women's language", as a shift from the much-older term hagurome (歯黒め, 'tooth blackening').[4] Ohaguro is normally spelled お歯黒, but there is an alternative spelling 鉄漿 where the kanji literally mean "iron juice",[6] alluding to the liquid used in the process. This alternative spelling also has a separate pronunciation, tesshō. Synonyms include fushimizu (五倍子水, 'nutgall water', so called for the tannins extracted from the galls for use in this mixture), kanetsuke (鉄漿付け, literally 'metal + putting on'), tsukegane (つけがね, literally 'putting on + metal'), and hagurome (歯黒め, 'tooth blackening').[4][7]

Origin and meaning

Ohaguro existed in Japan in one form or another for hundreds of years, and was considered a symbol of beauty for much of this time. Objects with a deep black color, such as those lacquered to a glossy black, were considered to be of great beauty, and many shades of black were used in dyeing kimono, with different shades holding different meanings.

The reasons for the invention of ohaguro are still unclear:[1] simple dental care has been proposed, as well as the differentiation between humans and demons depicted with large white fangs,[8] just as in other Southeast Asian cultures; the fact that teeth are the only visible part of the skeleton, which links them to death and makes them taboo;[9] or the Japanese and other Far Eastern cultures holding a preference for concealing the public display of feelings with the combination of oshiroi (white makeup), the complete plucking of the eyebrows, and their repainting – a practice known as hikimayu (引眉, hikimayu) – and the dyeing of teeth creating a masklike appearance.[10][a] The current Japanese female custom of covering the mouth when smiling derives to a greater or lesser degree from this consideration and from the preference until the 19th century for black-toothed rather than white mouths.[11]

Among the samurai, its origin is associated with the idea of loyalty expressed by the color black.[b] When a samurai dyed his teeth black, it reflected his decision not to serve another lord for the rest of his life,[12] and, from the time of the shikken or regents of the shōgun, the nobles applied it with similar regard for loyalty.[6]

History

Ukiyo-e of Yama-uba caring for Kintarō in which his dark teeth are distinguishable.

The first written references in Japan to ohaguro appear in the 11th century Tale of Genji[13] and in the story Mushi Mezuru Himegimi, in English The Lady Who Loved Insects, from the 12th century, included in the Tsutsumi Chūnagon Monogatari. In the story, the protagonist's eccentric behavior is considered less reprehensible than her repulsive natural appearance, and a maiden describes her completely unplucked eyebrows as "hairy caterpillars" and her undyed teeth as "skinless caterpillars",[14] while a captain of the guard who shows attraction to her is repelled by her lack of makeup and, above all, by her teeth which "shone horribly when she smiled."[14]

The tradition first appeared among men and women of the Heian period aristocracy between the 9th and 11th centuries,[2][15] which was soon followed by women of all social classes.[7] It began as a rite of maturity among adolescent girls that by the end of this period had spread to noblemen.[16] During the later Kamakura period, when aristocrats such as those belonging to the Taira clan, other samurai,[16] and almost all nobles came of age, they dyed their teeth.[17] In the particular case of samurai and members of the nobility of these periods it was customary to dye their teeth for the first time upon passing their genpuku or initiation ceremony, at the age of fifteen or sixteen.[18] This was also how it was done in the court of the Imperial Family until the end of the Edo period.[6] Although its specific use by elites was soon diluted and came to be considered acceptable among commoner women,[19] especially among married women and geisha, it was a forbidden practice for the marginalized or burakumin, vagrants and the poorest of the poor.[10]

During the Muromachi period, ohaguro was common among adults, although even before the advent of the Sengoku period it was more often among nobles as a sign of the passage into puberty and was done on boys[20] and especially girls entering that stage,[10] around the age of 13.[7] In the celebration of marriages, those relatives of the bride who were responsible for assisting her in the process and introducing her to others were given the name kaneoya (鉄漿親) or kanetsuke-oya, literally "godmother" of kanetsuke (blackening of teeth).[21]

Throughout these convulsive centuries, which saw the emergence of a multitude of daimyō at odds with each other and led to the wars of the Sengoku period, samurai would take the heads of their enemies and collect them as trophies after battle to enhance their reputation in the eyes of their daimyō.[22] The heads were identified and in many cases received ohaguro after decapitation to enhance the combatant's glory in defeating a notable enemy. In the Oan Monogatari, in English The Story of Oan, the daughter of a servant of Ishida Mitsunari narrates this process after surviving the Battle of Sekigahara in 1600:

Our allies stacked the severed heads they had obtained in this part of the castle. We put a label on each of the heads so that we could identify them properly, then we dyed their teeth black repeatedly. Why did we do this? Long ago blackened teeth were admired as a symbol of a distinguished man. So we were asked to apply a generous coat of ohaguro to any head with white teeth.

— Eiko Ikegami [23]

It was towards the end of this period that the men engaging in the practice became a minority.[17]

During the Edo period, only men who were part of the Imperial Family and the aristocracy had their teeth blackened. Because of the strong odor and the effort required for the process,[24] in addition to the impression among young women that it made them look older, ohaguro was only performed on women who were getting married or engaged,[16] prostitutes,[c] and geisha. There are also mentions of ohaguro in fairy tales, such as Gon, the Little Fox, by Niimi Nankichi.[25]

In 1870 the government banned the practice of ohaguro on men,[26] and the tradition gradually became obsolete, especially from 1873 among married and noblewomen, when the Empress Shōken decided to appear in public with white teeth.[24] Until the last years of the Meiji period, ohaguro was still a popular custom among the middle and lower classes[16] but from the Taishō period onwards it virtually disappeared except among elderly women in rural areas.[16]

Nowadays, the only places where ohaguro can be seen are some Japanese festivals, in period films, in kabuki,[27] and in some hanamachi (geisha districts), where some apprentice geisha have their teeth blackened during the last stage of their apprenticeship, erikae, before graduating to geisha status.[27][28] The application of ohaguro and the hairstyle known as sakkō, both traditionally characteristic of Japanese newlyweds, is a symbol of their "marriage" to the arts they practice.[29]

Social consideration and role

Nishiki-e by Utagawa Kunisada, from the series Three beauties making up their faces (1815). A geisha is seen making use of the complete set of traditional elements for blackening, most notably the mimidarai and watashigane as a support for the others.

Following the ending of Japan's self-isolation policy in the 1860s, a large number of Westerners who visited Japan – including Engelbert Kaempfer, Philipp Franz von Siebold and Rutherford Alcock, who visited Edo-period Japan – described ohaguro as "an abhorrent Japanese custom that disfigured their women",[30][31] whom, in fact, many of them considered to be of great beauty until they smiled.[30][32][33] Alcock surmised that its purpose would be chastity by intentionally making women unattractive,[30] which would prevent potential extramarital affairs[34] and his view of this custom hardly changed during his three-year stay in Japan:[d]

Once they have renewed the black varnish on their teeth and plucked every last hair from their eyebrows, Japanese married women could assert their unparalleled preeminence in artificial ugliness over the rest of their sex. Their mouths thus disfigured are like open sepulchers [...]

— —Rutherford Alcock [35]

Japanese sociologist Kyouji Watanabe disagrees with this theory. Considering that Japanese girls were allowed a high degree of social and sexual freedom until the moment of receiving the ohaguro, when they accepted their responsibility as a wife and mother, Watanabe posits that this was a social ritual by which both society and the young woman affirmed the determination of the woman who had matured.[31]

Dye

The main ingredient was a dark brown solution of iron acetate called kanemizu (かねみず, lit. 'black water'), created by dissolving iron filings in vinegar.[24] When the solution was combined with vegetable tannins from sources such as powdered galls of the Chinese sumac plant (fushi)[24] or tea, it turned black and ceased to be soluble in water, the same method by which iron gall ink is produced. Covering the teeth with this liquid prevented decay of the teeth and enamel[3] and was also said to ease the pain of dental ailments almost immediately.[2] The dye faded quickly and had to be applied once a day or every few days to keep the dark shade even.[24]

Among foreigners who knew of the custom, a rumor, never proven, spread that the ingredients also included urine.[36] Algernon Freeman- Mitford transcribed in his Tales of Ancient Japan a recipe which he claimed had been described to him by a reputable apothecary in Yedo:

Take three pints of water and, having heated it, add half a cup of wine (sake). Put into this mixture a certain amount of red-hot iron; let it stand from five to six days, after which there will be a residue on the surface of the mixture which you should then pour into a small teacup and place it by the fire. When it is hot, you should add gall powder and iron filings, and you have to heat the mixture again. Then the teeth are painted with the liquid by means of a soft feather brush with more iron and gall powder and after a few applications, the desired color will be obtained.

— —Algernon Freeman-Mitford [37]

In kabuki theatrical performances, actors painted their teeth black whenever they played married women, courtesans, and with some noblemen,[38] for which they traditionally used a mixture of brown sugar and pine resin.[39] The mixture used in kabuki was given the name hayagane,[38] and in more complex formulations could include wax, pine resin, carbon black, red pigment, rice honey, and lamp oil, all softened over a flame.[38]

Application

Ohaguro-bettari from Ehon Hyaku Monogatari, in English Picture book of a hundred stories, 1841.

For the treatment, preservation and application of the dye, various containers and tools were used. Among these were the mimidarai, a large bowl with handles on which was placed the watashigane, a thin tray to hold the elements with which the dye was applied.[24][40] The set of smaller items was kept inside a larger case: the haguro-bako, in which were kept the fushi-bako or small box for the gall powder; the haguro-tsugi, with which the dye was administered; and the ugai-chawan, a small porcelain bowl for gargling after the process.[41]

Each time the procedure was repeated, the teeth were carefully rubbed with the peel of a pomegranate to form an adhesive surface for the dye.[24] According to Freeman-Mitford, the dye should be applied at most every two days, because even after the first day without a new coat, the teeth lost their lacquered shine and pieces of gray were mixed with those that maintained the desired black color, resulting in a repulsive appearance.[2]

  • During the Meiji period, an urban legend spread that the coal tar used as insulation at the beginning of the extension of electrical wiring throughout Japanese cities was actually composed in part of the blood of virgins, an idea that became associated with the Westerners who were originally in charge of installing the wires.[42] To avoid being attacked and have their blood drawn, many young women decided to change their appearance to look like married women: they dyed their teeth black, painted their eyebrows, wore simple kimono, and styled their hair in the marumage style.[43]
  • In Yamada Norio's book Tohoku Kaidan no Tabi, in English Journey through the ghost stories of Tohoku, there is a story about Fukushima prefecture called ohaguro bettari (お歯黒べったり, lit. 'full of blackened teeth').[44] It is about a yōkai, more specifically a type of noppera-bō, dressed and made up in the old Japanese women's fashion, but on her made-up face appears only a large mouth full of black teeth.[44]
  • A legend from the island of Himeshima tells that, when Himegami (姫神, Divine Princess) fled from Prince Tsunuga Arashito of the Gaya confederacy, she stopped for a moment on her journey to apply ohaguro. When she then wanted to rinse her mouth she found no water anywhere nearby, so she clapped her hands and water began to gush out of the ground. That is the reason why the Hyoshimizu spring at Himekoso shrine is also called ohaguro mizu ('ohaguro water').[45]
  • The main red-light district in the country between the 17th century and the prohibition of prostitution in Japan in 1958 was Yoshiwara, in Edo. The district was surrounded on all four sides by a small moat with water that received the name Ohaguro-dobu, literally 'Black Tooth Canal', because of the abundance of prostitutes with dyed teeth.[46]

Other parts of East Asia

Young Tonkin girl with black painted teeth, c. 1905.
Vietnamese old woman selling chewing gum. Her teeth have the dark red hue of betel chewers.

In China there has been knowledge of the custom of teeth blackening throughout history, although it was not practiced in the domains of the so-called Middle Kingdom, nor did its majority ethnic groups.[6] As early as the 4th century's Shan Hai Jing, the description of a 'black-toothed country' or Hei-chi-guo (黒歯国) appears, which some associate with Japan itself[3] and most others with the Southeast Asian area due to its extent in the region and greater antiquity.[10][6]

In more modern times, tooth blackening can be observed among many minority groups in Southeast Asia.[47][48] It is found preferentially among older women, although the practice still exists among some young girls. Sometimes artificial teeth were used to obtain black teeth[3] although it is also very common outside Japan to achieve this result by continuously chewing betel nut,[47] which gives a dark red shade instead of black,[49] in addition to all sorts of plants collected mainly in the jungle.[47]

The practice of teeth dyeing was very ancient in Vietnam, where it was considered a demonstration of maturity and readiness for marriage after puberty.[10] It was also a demonstration of civilization, as there was an idea that white teeth belonged to animals, savages, and evil spirits,[10] especially because of the presence of large protruding canines in all of them.[47] The majority ethnic group in Vietnam, the kinh, practiced this custom, as did various minority populations. Si la men painted their teeth red, while women painted their teeth black.[10] These traditions declined in the 20th century, decade by decade with each new generation,[49] although colonial medical reports from the 1930s stated that 80 percent of Tonkinese farmers had darkened teeth.[49]

In Thailand, teeth darkening was an established symbol of beauty, achieved for centuries with a paste called misi,[50] and love poems used to compare the dyed teeth of the beloveds to ebony and other valuable woods.[10] When the 19th-century Thai king Mongkut lost his teeth, he replaced them with artificial teeth carved from dark red sappan wood.[10] There is also evidence of the use of misi in India among some practitioners of Hinduism, mainly to blacken the gums and sometimes the teeth; the 16th century poet Malik Muhammad Jayasi dedicated some lines in his epic poem Padmavat to the smile of the princess Rani Padmini, who ruled Chittorgarh in the 13th century, in which he compares her teeth to diamonds on black pedestals:

Her teeth, like diamonds on a pedestal:
between each, deep, deep black.
Like a gleam of lightning in a dark Autunm night,
so are these thirty-two caused to flash.

— —Malik Muhammad Jayasi [51]

Peoples who practiced some form of tooth blackening outside of Japan include:

See also

Notes

  1. ^ There is another hypothesis, also related to the very white makeup that covered the entire face, which states that such tonality highlighted the usual yellowish color of the teeth. With the ohaguro the problem would be avoided by "hiding" and camouflaging the teeth in the darkness of the mouth.[citation needed]
  2. ^ Freeman-Mitford mentions a supposed origin of male use in which a sadaijin of the 12th century began to make up in the manner of women because of his desire to appear more feminine. Eventually it would have spread through the court and from there to the followers of the Hōjō clan, whose leaders were the shikken of the Kamakura shogunate, as a sign of loyalty.
  3. ^ Also among the men who practiced prostitution, the kagema or yarō, who adopted the customs and manners of the women of the time.
  4. ^ Other Westerners were not so severe in their appraisals, and some even mention having become accustomed to it and being able to observe without aversion, but among the testimonials none show appreciation for the custom.

References

  1. ^ a b De Garis, Frederic; Sakai, Atsuharu (2013). We Japanese. Routledge. p. 33. ISBN 978-1136183676.
  2. ^ a b c d Freeman-Mitford, Algernon (2010) [1871]. Tales of Old Japan. Digireads.com Publishing. p. 203. ISBN 9781420937527. Archived from the original on 13 December 2014.
  3. ^ a b c d Lewis, Arthur H. (2003). "12". Medical Botany: Plants Affecting Human Health. John Wiley & Sons. p. 448. ISBN 0471628824.
  4. ^ a b c 1988, 国語大辞典（新装版） (Kokugo Dai Jiten, Revised Edition) (in Japanese), Tōkyō: Shogakukan
  5. ^ Rein, Johannes Justus (1995) [1889]. The Industries of Japan: Together with an Account of Its Agriculture, Forestry, Arts and Commerce. Curzon Press. p. 181. ISBN 0700703519.
  6. ^ a b c d e Wagatsuma, 1967, p. 436
  7. ^ a b c Nussbaum, Louis-Frédéric (2002) [1996]. Japan Encyclopedia. Harvard University Press. pp. 152–153. ISBN 0674017536.
  8. ^ Kramer, Eric Mark (2003). "Overview of Japanese Cosmetics and a History of Japanese Beauty to the Edo Period". The Emerging Monoculture: Assimilation and the "model Minority". Greenwood Publishing Group. p. 53. ISBN 0275973123.
  9. ^ Stevenson, John (1995). Yoshitoshi's Women: The Woodblock-print Series Fūzoku Sanjūnisō. University of Washington Press. p. 26. ISBN 0295974311. The teeth that bite the cloth have been blackened with a dye called ohaguro, made from iron filings. Blackened teeth were considered attractive, possibly because teeth are a visible part of the skeleton which as a symbol of death was regarded...
  10. ^ a b c d e f g h i j k l DeMello, Margo (2012). "Teeth Painting". Faces Around the World: A Cultural Encyclopedia of the Human Face. ABC-CLIO. pp. 288–289. ISBN 978-1598846171.
  11. ^ Van Steenberghe, Daniel; Rosenberg, Mel (1996). Bad Breath: A Multidisciplinary Approach. Leuven University Press. p. 226. ISBN 9061867797.
  12. ^ Geissberger, Marc (2010). "Chapter 1: Introduction to Concepts in Esthetic Dentistry". Esthetic Dentistry in Clinical Practice. Blackwell Publishing. p. 5. ISBN 978-1118694930.
  13. ^ Shikibu, Murasaki (2001). "6". The Tale of Genji. Penguin Classics. p. 130. ISBN 0-14-243714-X. As the girl's grandmother was a very conservative woman, she didn't pluck her eyebrows or dye her teeth black....
  14. ^ a b Morris, Ivan (2013) [1964]. The World of the Shining Prince: Court Life in Ancient Japan. Knopf Doubleday Publishing Group. ISBN 978-0345803917.
  15. ^ Wagatsuma, 1967, pp. 408-409
  16. ^ a b c d e Ashikari, Mikiko (2003). "The memory of the women's white faces: Japaneseness and the ideal image of women". Japan Fórum. 15 (1): 76–77. doi:10.1080/0955580032000077739. ISSN 0955-5803. S2CID 144510689. Archived from the original on 13 December 2014.
  17. ^ a b Fukagawa, Masahiko. "Teeth color as a cultural form". Retrieved 7 December 2014.
  18. ^ Blomberg, Cathalina (2013). The Heart of the Warrior: Origins and Religious Background of the Samurai System in Feudal Japan. Routledge. ISBN 978-1134240333.
  19. ^ Wagatsuma, 1967, p. 438
  20. ^ Wagatsuma, 1967, p. 409
  21. ^ Sugiyama Lebra, Takie (1984). Japanese Women: Constraint and Fulfillment. University of Hawaii Press. p. 109. ISBN 0824810252.
  22. ^ Thomas, Louis; Ito, Tommy (2008). "Chapter 5: Samurai at War". Samurai: The Code of the Warrior. Sterling Publishing Company, Inc. p. 181. ISBN 978-1402763120.
  23. ^ Ikegami, Eiko (1995). "Early Medieval Warfare". The Taming of the Samurai: Honorific Individualism and the Making of Modern Japan. Harvard University Press. pp. 100–102. ISBN 0674868080.
  24. ^ a b c d e f g Collia-Suzuki, Gina. "Beautiful Blackened Smiles". Archived from the original on 13 May 2013.
  25. ^ "Lonely Fox (The Former Part)". 1 November 2014. [...] the fox saw the farmer's wife, applying tooth black to her teeth.
  26. ^ Chamberlain, Basil Hall (2014) [1890]. Things Japanese: Being Notes on Various Subjects Connected With Japan for the Use of Travellers and Others. Cambridge University Press. p. 45. ISBN 9781108073851.
  27. ^ a b Buckley, Sandra (2006). "Cosmetics". Encyclopaedia of Contemporary Japanese Culture. Routledge. p. 90. ISBN 1134763530.
  28. ^ Foster, John Paul. "Good-bye and hello to the geisha Mamehana of Gion Kobu". johnpaulfoster.com. Archived from the original on 13 December 2014. Also, Mamehana is the only Maiko I have photographed during sakkou who did not blacken her teeth with ohaguro. [...] For instance, the maiko I knew best before Mamehana, Yukako and Makiko, both told me how proud they were to wear ohaguro during sakkou, [...]
  29. ^ Yamaguchi, Sherry. "Essence of Kyoto". NHK.or.jp. Archived from the original on 13 December 2014.
  30. ^ a b c Macaulay, James (1868). "Life in Japan". The Leisure Hour; an Illustrated Magazine for Home Reading. 17. London: 262. hdl:2027/nyp.33433081682993. OCLC 1604220.
  31. ^ a b Kyouji Watanabe, "Yukishi Yono Omokage", ISBN 4582765521, published by Heibonsha.
  32. ^ Leup, Gary P. (2003). "Admiration for Japanese women". Interracial Intimacy in Japan: Western Men and Japanese Women, 1543-1900. A&C Black. p. 132. ISBN 0826460747. Westerners continued to lament the traditional practices of tooth- blackening and eyebrow plucking; these greatly reduced the Japanese women's appeal.
  33. ^ Mason Satow, Ernest (2007). "XVI First Visit to Ozaka". A Diplomat in Japan: The Inner History of the Critical Years in the Evolution of Japan When the Ports Were Opened and the Monarchy Restored. Stone Bridge Press, Inc. p. 200. ISBN 978-0893469610.
  34. ^ Alcock, 1863, 193
  35. ^ Alcock, 1863, p. 192
  36. ^ Gill, Robin D. (2004). Topsy-turvy 1585. Paraverse Press. p. 157. ISBN 9780974261812.
  37. ^ Freeman-Mitford, 1871, p. 203
  38. ^ a b c Leiter, Samuel L. (1999). "Glossary". The Art of Kabuki: Five Famous Plays. Courier Corporation. p. 275. ISBN 0486408728.
  39. ^ Scott, Adolphe Clarence (1955). "The actor's Technique". The Kabuki Theatre of Japan. Courier Corporation. p. 126. ISBN 9780486406459.
  40. ^ "Blacking the Teeth (Kanetsuke), No. 3 from the series Twelve Rituals of Marriage (Konrei jûni-shiki".
  41. ^ Koizumi, Kazuko (1986). Traditional Japanese Furniture: A Definitive Guide. Kodansha International. p. 129. ISBN 9780870117220.
  42. ^ Figal, Gerald A. (1999). "Bakumatsu Bakemono". Civilization and Monsters: Spirits of Modernity in Meiji Japan. Duke University Press. p. 34. ISBN 0822324180.
  43. ^ "Urban legends from Meiji-period Japan". Pinktentacle.com. Electric power lines insulated with the blood of virgins.
  44. ^ a b Meyer, Matthew (2013). "Ohaguro-bettari". The Night Parade of One Hundred Demons: a Field Guide to Japanese Yokai.
  45. ^ "拍子水 Hyoushi-mizu Hyoshimizu Spring". nippon-kichi.jp. 31 January 2007.
  46. ^ Cybriwsky, Roman Adrian (2011). "Yoshiwara". Historical Dictionary of Tokyo (2nd, revised ed.). Plymouth: Scarecrow Press. p. 274. ISBN 978-0810874893.
  47. ^ a b c d e f g h i j k Zumbroich, Thomas J. "The Ethnobotany of Teeth Blackening in Southeast Asia". ethnobotanyjournal.org. Archived from the original on 11 December 2014.
  48. ^ a b Zumbroich, Thomas J. "To Strengthen the Teeth and Harden the Gums - Teeth blackening as medical practice in Asia, Micronesia and Melanesia". ethnobotanyjournal.org. Archived from the original on 11 December 2014.
  49. ^ a b c Nguyễn, Đình Hoà (1999). From the City Inside the Red River: A Cultural Memoir of Mid-century Vietnam. McFarland. p. 116. ISBN 0786404981. Among post-1975 refugee communities, the older ladies, especially those from Tonkín, can still be found with blackened teeth...
  50. ^ Keshavdas (1990). K. P. Bahadur (ed.). Rasikapriya of Keshavadasa. Motilal Banarsidass Publ. pp. 53–54. ISBN 8120807340. And the ebony bark, in its core beneath Was never so black as thy shiny teeth.
  51. ^ Keshavdas, 1990, pp. 53-54
  52. ^ Ceinos Arcones, Pedro (2014). China's Last but one matriarchy: The Jino of Yunnan. Papers of the White Dragon. p. 75.
  53. ^ Lonely Planet (2013). Lonely Planet China. ISBN 978-1743216408. Avid betel-nut chewers, the women believe black teeth are beautiful.
  54. ^ Lonely Planet (2002). South-West China. Lonely Planet. p. 356. ISBN 186450370X.
  55. ^ Cunningham, Lawrence J. "Mariana's Past". offisland.com. Archived from the original on 9 March 2012.

Bibliography

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