title: About First District: the Philadelphia County Dental Society.
authors.affiliation: Philadelphia County Dental Society, USA.
authors.forename: Teresa E
authors.initials: TE
authors.lastname: Ravert
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D049674:History, 21st Century; D015143:Philadelphia; D012953:Societies, Dental / Q000266:history*