[Extraoral forces applied on plates, splints and activators].
D000202:Activator Appliances; D005115:Extraoral Traction Appliances; D009968:Orthodontic Appliances, Removable; D009971:Orthodontics, Corrective / Q000379:methods*
Les forces extra-buccales appliquees sur plaques, gouttieres et activateurs.