title: Periodontics. The past. Part (I). Early sources.
mesh_terms: D002681:China; D003762:Dental Instruments / Q000266:history; D004534:Egypt; D005060:Europe; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049690:History, Ancient; D049691:History, Medieval; D007194:India; D008514:Medicine, Arabic; D008515:Medicine, Ayurvedic; D008516:Medicine, Chinese Traditional; D010517:Periodontics / Q000266:history*