title: Effects of the Frankel lateral vestibular shields on the widening of the upper jaw. An experimental investigation in the rat.
mesh_terms: D000202:Activator Appliances; D000818:Animals; D002508:Cephalometry; D004867:Equipment Design; D008297:Male; D008310:Malocclusion / Q000503:physiopathology / Q000628:therapy; D008437:Maxilla / Q000033:anatomy & histology / Q000254:growth & development; D009968:Orthodontic Appliances, Removable; D010155:Palatal Expansion Technique / Q000295:instrumentation*; D051381:Rats; D011919:Rats, Inbred Strains