title: Butterfly expander for use in the mixed dentition.
authors.affiliation: Department of Orthodontics, University of Rome Tor Vergata, Istituto di Cura Calvary Hospital, Rome, Italy.
authors.forename: P
authors.initials: P
authors.lastname: Cozza
authors.forename: A
authors.initials: A
authors.lastname: Giancotti
authors.forename: A
authors.initials: A
authors.lastname: Petrosino
mesh_terms: D002648:Child; D003818:Dentition, Mixed; D005260:Female; D006801:Humans; D016382:Orthodontic Appliance Design; D010155:Palatal Expansion Technique / Q000295:instrumentation*