20th-Century Teeth: Dentistry at the Turn of the Century | Books, Health and History
Sahali Dental Centre on X: "Floss is youngest piece of oral care practice. Dr. Levi Spear encouraged his patients to buy a spool of silk thread to clean between their teeth in
The History of Dental Floss - Oral-B
Stream episode Brush, Floss, and Smile: A history of dental care, oral health, and social inequality by Witness to Yesterday podcast | Listen online for free on SoundCloud
The History of Floss (and Why You Still Need to Do It)