title: ABC's periodontics. "P" is for periodontitis--an update.
authors.forename: H M
authors.initials: HM
authors.lastname: Swenson
mesh_terms: D010520:Aggressive Periodontitis / Q000145:classification; D006801:Humans; D010518:Periodontitis / Q000145:classification / Q000175:diagnosis / Q000503:physiopathology*