Austrian scientists have found an ancient Egyptian manuscript, which describes the composition of the toothpaste. "Powder for white and healthy teeth" - that was headlined found the recipe. Key components of this powder rock salt and mint.
In Bulgaria, was found the skeleton of a woman, the age of which 9 thousand years. Scientists were very surprised to see the well-preserved teeth of the correct form. Until now it was thought that toothpaste is an invention of later civilizations.