Humans 20 Orthodontic Appliances, Removable 20 human 20 removable orthodontic appliance 20 Female 14 female 14 Male 13 male 13 malocclusion 10 child 8 devices 8 orthodontic procedure 8 Adolescent 7 Child 7 Orthodontic Appliance Design 7 Tooth Movement Techniques 7 adolescent 7 orthodontic tooth movement 7 cephalometry 6 diagnostic imaging 6 procedures 6 treatment outcome 6 Article 5 Cephalometry 5 Incisor 5 Malocclusion, Angle Class II 5 Orthodontic Appliances, Fixed 5 Treatment Outcome 5 adult 5 clinical article 5