122 Interesting Things - The Bristle ToothBrush
Tang Dynasty people (619 CE to 907 CE) were the ones who invented the bristle toothbrush. Europeans started using the bristle toothbrush a long time later in 17th century. Before the use of nylons, badger hair was used for making expensive toothbrushes while boar and pig hair was meant for cheaper ones. Let's find it more!
