Prior to the 1800s, people tried to clean their teeth using eggshells and abrasives. Not until 1824 did an American dentist named Peabody come up with the idea to add soap to tooth powder, thus giving it a cleansing agent.

Prior to the 1800s, people tried to clean their teeth using eggshells and abrasives. Not until 1824 did an American dentist named Peabody come up with the idea to add soap to tooth powder, thus giving it a cleansing agent.

142