Toothbrush technology--even the Pharoahs brushed their teeth.
Smith
C
C
D018436:Ancient Lands; D003742:Dental Devices, Home Care / Q000266:history*; D005060:Europe; D049669:History, 16th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans; D014099:Toothbrushing / Q000266:history* / Q000295:instrumentation; D014100:Toothpastes / Q000266:history
D014100:Toothpastes