[Orthodontic pre-retainer].
D002648:Child; D005115:Extraoral Traction Appliances; D006801:Humans; D008310:Malocclusion / Q000628:therapy; D009968:Orthodontic Appliances, Removable; D009971:Orthodontics, Corrective / Q000379:methods*; D014087:Tooth Movement Techniques / Q000379:methods*
Pré-contensor ortodôntico.