American Association of Orthodontists (www.braces.org)

European Orthodontic Society (www.eoseurope.org/)

World Federation of Orthodontics (www.wfo.org)

Greek Orthodontic Society (G.O.S.) (www.grortho.gr)

Greek Association of Orthodontic Study & Research (G.A.O.S.R.) (www.eogme.gr)

Orthodontic Society of Northen Greece (O.S.N.G) (www.orthoebe.gr)

International Association of Paediatric Dentistry (www.iapdworld.org)

European Academy of Paediatric Dentistry (www.eapd.gr)

Hellenic Dental Association (www.eoo.gr)

Regional Dental Association of Attica (www.osa.gr)

Hellenic Society of Odostomatological Research (www.proodoseoe.gr)