Preventive orthodontics.
D006801:Humans; D008310:Malocclusion / Q000145:classification / Q000209:etiology / Q000628:therapy; D003765:Models, Dental; D009967:Orthodontic Appliances; D009971:Orthodontics, Corrective; D009973:Orthodontics, Preventive; D010347:Patient Care Planning; D013027:Space Maintenance, Orthodontic