[Extra-oral traction with "Safe-bow" safety terminals. Clinical trials].
D004867:Equipment Design; D005115:Extraoral Traction Appliances / Q000009:adverse effects; D006801:Humans; D009061:Mouth Mucosa / Q000293:injuries; D009968:Orthodontic Appliances, Removable / Q000009:adverse effects
Trazione extra-orale con terminali di sicurezza "Safe-bow". Verifica clinica.