| 1938 y. |
Accessories such as a toothbrush used by mankind since ancient times.For example, the Romans cleaned their teeth with special ointments and wooden sticks.The Indian people are used to clean teeth tree branches "them".The juice of this tree disinfects, strengthens the gums and teeth.
In Russia used a bristle brush, salt triturated lime-ash coal, which not only clean but also whitens teeth.The first prototype of the modern brush invited a French physician in the 18 century.
For the period 17 th century is the first written mention of the toothbrush.The first factory for the production of toothbrushes was opened in Germany in the 19 century.These brushes made of boar bristles.And on Feb. 24, 1938 by Oral-B was launched the world`s first toothbrush with synthetic nylon fiber.
|
|