What Do Hippopotamus Bone, Silver Coin Shavings, and Seashells Have in Common?

Oral health has been a topic of interest to humans since earliest times. Dentistry first appears in recorded text in 5000 BC, when the Sumerians thought that dental decay was due to tooth worms. The first dentist shows up in 2600 BC in an Egyptian tomb, which includes an inscription referring to Hesy-Re as the [...]