A fan-shaped maxillary expander.
Levrini
L
L
Department of Orthodontics, University of Insubria, Varese, Italy.
Filippi
V
V
D002648:Child; D006801:Humans; D008297:Male; D016382:Orthodontic Appliance Design; D010155:Palatal Expansion Technique / Q000295:instrumentation*