Zonweiss: The start of it all
By the turn of the next century, in 1900, only 7 percent brushed their teeth … as sutures and gauze, came up with Zonweiss, German for “white teeth”.
By the turn of the next century, in 1900, only 7 percent brushed their teeth … as sutures and gauze, came up with Zonweiss, German for “white teeth”.