Before revision: History Song dynasty (960–1279) toothbrush handles made of tiger bone The horsehair toothbrush was said to have been used by Napoleon Bonaparte (1769–1821) Precursors Before the invention of the toothbrush, a variety of oral hygiene measures had been used.
After revision: Although however if there’s more brustles then the stronger the toothbrushHistory Song dynasty (960–1279) toothbrush handles made of tiger bone The horsehair toothbrush was said to have been used by Napoleon Bonaparte (1769–1821) Precursors Before the invention of the toothbrush, a variety of oral hygiene measures had been used.