Here is the question :
WHICH COUNTRY INVENTED THE FIRST BRISTLE TOOTHBRUSH?
Here is the option for the question :
- United States
And, the answer for the the question is :
[STC003243] The first bristle toothbrush was created in China in 1498, which is when modern dental hygiene as we know it began to take off. Before that, people chewed on “chew sticks,” which were just sticks. The wild Siberian hog’s neck hairs were used to make the bristle tooth brush, which had handles made of bone or bamboo. The preferred bristles up until Dupont de Nemours released nylon bristles in 1938, despite the fact that boar bristles were rather harsh on enamel. What is the name of this revolutionary product? The Miracle Toothbrush of Doctor West.