dental care






 

Question by  van767 (30)

Who invented the toothbrush?

Please don't tell me that horrible "West Virginia" joke again.

 
+7

Answer by  mamaItaliano (76)

Although people have chewed on the ends of twigs to clean their teeth, a boar bristle brush was used in China about 1500. Modern nylon toothbrush by Dupont in 1938.

 
+4

Answer by  mahee (720)

Toothbrush is a vert essential things for our daily life. We need it three times in a day. But long dats ago this toothbrush was not look like in this days. It was invented by William Yadis of England. It was indented in 1770 when Yadis was in a gail. He made it by some sticks.

 
You have 50 words left!