title: Smile because of Dr Robert Murray Ricketts.
authors: Private practice, Spokane, Wash.
authors: Duane
authors: D
authors: Grummons
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D009967:Orthodontic Appliances / Q000266:history; D009970:Orthodontics / Q000266:history*; D014087:Tooth Movement Techniques / Q000295:instrumentation; D014481:United States