Chapter
Toothbrush Evolution
46:12 - 49:10 (02:57)
The evolution of toothbrushes and toothpaste took a long time to find the right balance between protecting and cleaning teeth. Crushed coral and pumice were used but ruined teeth after a few weeks.
Clips
Toothbrushes and toothpaste have come a long way since ancient times when people used tree twigs and cloth to clean their teeth.
46:12 - 47:45 (01:32)
Toothbrushes and Toothpaste
Summary
Toothbrushes and toothpaste have come a long way since ancient times when people used tree twigs and cloth to clean their teeth. Early toothpaste formulations included abrasive powders like crushed coral and even potent acids that were not gentle on people’s teeth
ChapterToothbrush Evolution
EpisodeThe Twisted History of Dentistry
PodcastStuff You Should Know
George Washington had fake teeth made from ivory and tusk, but interestingly, his real teeth were also used in his dental work.
47:45 - 49:10 (01:25)
George Washington
Summary
George Washington had fake teeth made from ivory and tusk, but interestingly, his real teeth were also used in his dental work.