Εταιρεία Ορθοδοντικής και Γναθοπροσωπικής Μελέτης και Έρευνας
World Federation of Orthodontists (WFO)
European Federation of Orthodontics (FEO)
European Federation of Orthodontic Specialists (EFOSA)
European Orthodontic Society (EOS)
American Association of Orthodontics (AAO) (Members only)
American Association of Orthodontics (AAO) (Public)
American Orthodontic Society Charles Tweed Foundation German Orthodontic SocietyGreater Philadelphia Society of Orthodontics
Ontario Association of OrthodontistsPortuguese Dentofacial Orthopedic Society
Academy of Gp OrthodonticsAmerican Association for Functional Orthodontics
Australian Society of Orthodontists Canadian Association of OrthodontistsCollege of Diplomates of the American Board of Orthodontics (CDABO)
Singapore Society of Orthodontists
Sociadad Espanola de Orthodoncia
Sociedade Gaϊcha de Ortodontia-Sogaor Society