Try Hippocrates' home made tooth powder.
D003802:Dentifrices / Q000266:history*; D049690:History, Ancient; D049691:History, Medieval; D008519:Medicine, Traditional; D009067:Mouthwashes / Q000266:history*; D014098:Toothache / Q000628:therapy
D003802:Dentifrices; D009067:Mouthwashes