title: The modified Ricketts utility arch.
authors.forename: Daniel
authors.initials: D
authors.lastname: Martel
mesh_terms: D006801:Humans; D008310:Malocclusion / Q000628:therapy*; D009967:Orthodontic Appliances; D009971:Orthodontics, Corrective / Q000295:instrumentation* / Q000379:methods