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