title: Quad Helix Canine System for Forced Eruption of Impacted Upper Canines.
authors.affiliation: Department of Orthodontics, University of Rome Tor Vergata, Viale Oxford, 81, 00133 Rome, Italy. mariarosariar81@libero.it.
authors.forename: Maria Rosaria
authors.initials: MR
authors.lastname: Ricchiuti
authors.affiliation: Department of Orthodontics, University of Rome Tor Vergata, Viale Oxford, 81, 00133 Rome, Italy.
authors.forename: Manuela
authors.initials: M
authors.lastname: Mucedero
authors.affiliation: Department of Orthodontics, University of Rome Tor Vergata, Viale Oxford, 81, 00133 Rome, Italy.
authors.forename: Paola
authors.initials: P
authors.lastname: Cozza
mesh_terms: D000293:Adolescent; D003481:Cuspid / Q000002:abnormalities*; D005260:Female; D006801:Humans; D050793:Orthodontic Extrusion / Q000295:instrumentation / Q000379:methods; D014095:Tooth, Impacted / Q000000981:diagnostic imaging / Q000628:therapy*