How the Toothbrush Was Invented | Relaxing History for Sleep
Автор: Sleepy Inventions Channel
Загружено: 2026-02-23
Просмотров: 3
Описание:
Every morning, billions of people pick up a toothbrush without a second thought. But who actually invented the toothbrush… and what did people use before plastic handles and minty toothpaste?
Tonight on Sleepy Inventions, we travel back thousands of years — to ancient deserts where frayed chew sticks cleaned teeth beneath the open sky, to Egyptian miswak rituals, to Ming Dynasty bone-bristle brushes, to medieval manuscripts and early dental tools. From crushed shells and charcoal powders to fluoride chemistry and modern dentistry, this is the full story of how humanity slowly learned to care for its teeth.
Повторяем попытку...
Доступные форматы для скачивания:
Скачать видео
-
Информация по загрузке:
