title: [Multidirectional traction and expansion apparatus for moving the maxilla forward].
mesh_terms: D000293:Adolescent; D002648:Child; D003748:Dental Equipment; D005115:Extraoral Traction Appliances; D006801:Humans; D008437:Maxilla; D009968:Orthodontic Appliances, Removable; D009971:Orthodontics, Corrective; D063173:Retrognathia / Q000628:therapy*
vernacular_title: Aparato de tracción y expansión multidireccional para el adelantamiento del maxilar.