title: A second look at differences in palatal expansion by type of appliance.
authors.forename: James R
authors.initials: JR
authors.lastname: Miller
mesh_terms: D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D009967:Orthodontic Appliances; D010155:Palatal Expansion Technique / Q000295:instrumentation*; D012107:Research Design; D012737:Sex Factors