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Interesting dentistry facts

  • - Not so long ago, dental implants used to be a popular wedding gift on the British Isles. People were expecting that they would soon lose all their teeth and would speed the process up by removing teeth at a relatively young age.
  • - The tooth is the only part of the human body that is literally incapable of self-healing. - Toothbrushes with nylon bristles first appeared in 1938. However, brushes with bristles from other materials existed long before that. Hence, in China, the first such brushes appeared back in 1498. The materials for them were pig bristles, horse and badger hair.
  • - Mao Zedong, just like many Chinese people at that time, refused to brush his teeth. Instead, he rinsed his mouth with tea and chewed tea leaves. "Why clean them? Is the tiger ever brushing his teeth?" – he would say.
  • - The absolute strength of the chewing muscles on one side is 195 kg, and the contraction of muscles on both sides can reach to a force of up to 390 kg. Of course, such pressure cannot withstand periodontium, and therefore the usual chewing pressure is 9-15 kg (well, a maximum of 100 kg if you are chewing nuts).
  • - In order to increase general interest in maintaining healthy teeth and gums among the twelve-million population, a national holiday was established in China, the name of which can be translated as "The Day of Love for Your Teeth", which takes place every year on September 20th.
  • - Under Vermont state law, the US woman is not allowed to wear dentures without the written permission from her husband. - Before the technology of making artificial ceramic teeth was invented in the 19th century, teeth of soldiers, who have fallen on the battlefield were used as a material for dentures. Hence, after the civil war in the United States, English dentists received entire barrels of such cargoes.
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  • The electric chair was invented by a dentist.
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  • In case that you are right handed, then you chew most of the food on the right side of the jaw, and vice versa, if you are left-handed, then on the left.
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  • At the court of the French King Louis XI aristocrats ate only soup, since they were sure that excessive masticatory efforts may cause premature appearance of wrinkles on the face.
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  • Ancient Japanese dentists would remove teeth with their bare hands.
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  • Long and interesting history of dentistry contains many different oddities and beliefs. Some of them, we think, may well seem quite funny to you:
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  • To get rid of toothache, cook an earthworm in wine and use the resulting remedy as ear drops.
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  • To relieve the pain in the gums, rub them with the tooth of a person who died a violent death. (it is better not to think about the process of obtaining such a medicine XD )
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  • Toothache may be cured by making compresses of the following composition on the corresponding shoulder: figs, saffron, mustard seed and olive oil.
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  • In order to prevent the teeth from deteriorating, use a "decoction" of canine teeth in wine as a rinse.
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  • To strengthen loosened teeth, tie a frog to the jaw.
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  • The Etruscans were the first “dentists”. They cut out artificial teeth from the teeth of various mammals as early as the 7th century BC, and also could make dental bridges that were strong enough for chewing.
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  • Tooth enamel is the hardest tissue produced by the human body.
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  • Dentures can be radioactive. Of the one million dentures, about half have a ceramic component with microscopic uranium elements. Without the addition of uranium, the prosthesis would have a green matte shade under artificial lighting.
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  • According to the American Dental Association, more than half of American students do not have a single caries cavity on permanent teeth, compared with 26% in the 70s.
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  • Despite the fact that calcium is required for bone tissue, 99% of all calcium in the body is found in the teeth.
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  • The first orthodontic construction was manufactured by Pierre Fochard in 1728. It was a flat strip of metal, attached to the teeth with a thread.
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  • George Washington, who had almost no teeth of his own, carefully monitored teeth condition of his six horses, ordering to inspect and clean them every day.
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  • As strange as it may seem, several studies have already proved that cocoa powder, which is part of chocolate, contains substances that prevent the formation of caries.
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  • If one of the identical twins does not have a certain tooth, as a rule, the same tooth is absent from the other twin as well.
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  • Toothpaste was invented by the Egyptians about 5000 years ago and was a mixture of wine and pumice. From the time of the early Roman Empire to the 18th century, urine was one of the main components of toothpaste, since the ammonia it contains actually has excellent cleaning properties. Even these days, ammonia is a part of many toothpastes.
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  • About 1.4-1.5 liters of saliva are formed in the mouth throughout a single day.
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  • The shops of the city of Providence, Rhode Island, USA, are prohibited by law to sell toothbrushes on Saturday.
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  • Only 20% of all diamonds are cut. Due to the hardness of the stone, most diamonds are used for the manufacture of various tools, such as dental burs.
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  • The most expensive tooth was the tooth of Isaac Newton, sold in 1816 for 730 pounds sterling (about 3.241 $ today), after which it was incorporated into the ring by the aristocrat who bought it.
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  • Lucy Taylor became the first certified female dentist in the US, back in 1867.
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  • The most common diseases in the world are various periodontal diseases, such as, for example, gingivitis (inflammation of the gums). Few people on the planet can avoid any kind of its forms.
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  • Dental bur was invented by John Greenwood in 1790.
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  • American dentists use about 13 tons of gold per year to make crowns, bridges, inlays and dentures.
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  • In the Chinese city of Kulang, there are 7 centers for collecting used toothpicks. For each pound (about 454 g) of toothpicks such a center pays 35 cents.
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  • On April 19, 1999 in Phoenix, Arizona, the "For a healthy smile" action took place. 1365 American schoolchildren lined up in the shape of a toothbrush and then simultaneously brushed their teeth for 3 minutes and 3 seconds.