Cold knowledge

As early as 4000 years ago, tooth-shaped jaw implants carved from precious stones or gold appeared in ancient Egypt.

Etruscans living in central Italy before 3000 BC have invented the method of fixing dentures with gold wide hoops. Dentures carved from cattle teeth are fixed on adjacent teeth with gold hoops, which is very close to the restoration idea of modern fixed dentures.

In the East, Lu You, a great poet in the Southern Song Dynasty, also mentioned the "teeth-planting" doctor in his poems: stepping on the coffin of traditional Chinese medicine will soon lose me, and dyeing the beard will make people laugh. From Lu You's Year-end.

Since the Song Dynasty, there have been specialized dental shops in the shops.

/kloc-In Japan in the 6th century, complete dentures were made from boxwood, human teeth, ivory or Shoushan stone, using the learned carving techniques of Buddha statues. Women's dentures will also be made of black persimmon wood to achieve the traditional Japanese black tooth painting effect.

At the same time, in Europe, because dentures are expensive, only princes and nobles and wealthy families can afford them, so many poor people made money by selling teeth at that time.

In addition to buying teeth from the poor, there was another occupation in Europe in the18th century-tooth hunters.

They pull out dead people's teeth from graves or battlefields full of corpses and sell them to dentists. 18 15 in the waterloo war, more than 50,000 bodies left by both sides of the war became the source of high-quality, healthy and young teeth, also known as "waterloo teeth".