title: Preventive dentistry has worked beyond expectations.
authors.forename: N E
authors.initials: NE
authors.lastname: Wickham
mesh_terms: D049673:History, 20th Century; D006801:Humans; D009520:New Zealand; D010510:Periodontal Diseases / Q000517:prevention & control*; D010517:Periodontics / Q000266:history*