A randomized controlled trial comparing the quadhelix and the expansion arch for the correction of crossbite.
Harrison
Jayne
J
Liverpool, UK.
D006801:Humans; D008310:Malocclusion / Q000628:therapy*; D016382:Orthodontic Appliance Design; D010155:Palatal Expansion Technique / Q000295:instrumentation*; D016032:Randomized Controlled Trials as Topic