Child 2 Functional appliance Humans 2 Orthodontic Appliances, Functional 2 child 2 diagnostic imaging 2 functional orthodontic appliance 2 human 2 malocclusion 2 Adolescent 1 Cephalometry 1 Cone-Beam Computed Tomography 1 Cone-beam computed tomography 1 Deglutition 1 Denmark 1 Female 1 Hypopharynx 1 Imaging, Three-Dimensional 1 Male 1 Malocclusion, Angle Class I 1 Malocclusion, Angle Class II 1 Malocclusion, Angle Class III 1 Mandible 1 Mandibular Advancement 1 Maxilla 1 Oropharynx 1 Orthodontic Appliance Design 1 Pharynx 1 Radiography 1 Retrospective Studies 1