Education / Qualifications

• DDS, Dental School, National and Kapodistrian University of Athens, 1988.
• Certificate in Pediatric Dentistry, University of North Carolina at Chapel Hill, USA, 1988-1991.
• Master of Science in Oral Biology, University of North Carolina at Chapel Hill, USA, 1991.
• PhD in Preventive Dentistry, Dental School, National and Kapodistrian University of Athens, 2005.

Academic and professional positions held

• 1988-1991  Clinical instructor, Department of Pediatric Dentistry, Dental School, University of North Carolina at Chapel Hill, USA.
• 1991-2005  Clinical instructor, Department of Pediatric Dentistry, Dental School, National and Kapodistrian University of Athens.
• 1994-2001  Teaching core curriculum courses at the School for Dental Assistants.
• 2007-2013  Lecturer, Department of Pediatric Dentistry, Dental School, National and Kapodistrian University of Athens.
• 2014-2018  Assistant Professor, Department of Pediatric Dentistry, Dental School, National and Kapodistrian University of Athens.
• 2018-to date.  Tenure, Department of Pediatric Dentistry, Dental School, National and Kapodistrian University of Athens

Awards and Honours

• Excellence Awards and Stipends during my studies at the Dental School, University of Athens, IKY 1983, 1984, 1985, 1986.
• Research Award for graduate students by the American Academy of Pediatric Dentistry (AAPD), Seattle, Washington, 1992.

Memberships

• Elected Board member of the Hellenic Society of Pediatric Dentistry (HSPD) for the terms 1998-2000, 2001-2003, 2004-2006, 2007-2009, 2010-2012, 2013-2015, 2016-2017, 2018-2019.
• Secretary General of the HSPD for the term 2001-2003.
• President elect of the HSPD for the term 2018-2019.
• Elected counselor of the Hellenic group of pediatric dentists at the European Academy of Pediatric Dentistry (EAPD) Council for the terms 2004-2006 and 2006-2008.
• Member of the organizing and scientific committee at the HSPD Congresses, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2013, 2015, 2017, 2019.
• Member of the organizing and scientific committee at the 23^th Congress of the International Association of Pediatric Dentistry (IAPD), Athens 2011.

Selected publications in scientific journals

• Anterior crossbite correction in the early deciduous dentition. Vadiakas G., Viazis A. American Journal of Orthodontics and Dentofacial Orthopedics 102 (2): 160-162, 1992.
• Verapamil decreases cyclic load-induced calcium incorporation in Ros 17/2.8 osteosarcoma cell cultures. Vadiakas G., Banes A. Matrix, 12 : 439-447, 1992.
• The effect of hypertrophic adenoids and tonsils on the development of posterior crossbite and oral habits. Oulis C.J., Vadiakas G., Economides J., Dratsα J. The Journal of Clinical Paediatric Dentistry 18(3): 197-203, 1994.
• Enamel pretreatment with sodium hypochlorite to enhance bonding in hypocalcified amelogenesis imperfecta : case report and SEM analysis.
• R. Venezie, G. Vadiakas , J.Christensen, T.Wright. Pediatric Dentistry 16: 433-436, 1994.
• The effectiveness of mandibular infiltration compared to mandibular block anaesthesia in treating primary molars in children. Oulis C., Vadiakas G., Vassilopoulou A. Pediatric Dentistry 18 (4) 1-5, 1996.
• Management of intrusive luxation injuries. C.Oulis, G.Vadiakas, G. Siskos Endodontics Dental Traumatology, 12: 113-119, 1996.
• Profile of non-nutritive sucking habits in relation to nursing behavior in pre-school children. G. Vadiakas, C. Oulis, E. Berdouses. Journal of Clinical Pediatric Dentistry, 22(2):133-136,1998.
• Comparison of the effectiveness of fissure sealants in Finland, Sweden and Greece. K. Leskinen, A. Ekman, C. Oulis , H. Forsberg, G. Vadiakas, M. Larmas. Acta Odontologica Scandinavica, 66:65-72, 2008.
• Case definition, Aetiology and Risk Assessment of early Childhood Caries (ECC): A revisited review. G. Vadiakas. European Archives of Paediatric Dentistry, 9:114-125, 2008.   
• Socio-behavioural factors influencing oral health of 12   and 15 year old greek adolescents. A national pathfinder survey. G.Vadiakas ,C. Oulis , K.Tsinidou, E. Mamai-Homata , A.Polychronopoulou. European Archives of Paediatric Dentistry, 12:139-145, 2011.          
• Caries prevalence of  5, 12 and 15-year-old greek children: A national pathfinder survey. C.J. Oulis, K.Tsinidou, G.Vadiakas, E. Mamai-Homata, A.Polychronopoulou, T. Athanasouli. Community Dental Health, 29:29-32, 2012.
• Oral hydiene and periodontal status of 12 and 15-year-old Greek adolescents A national pathfinder survey. G.Vadiakas ,C. Oulis , K.Tsinidou, E. Mamai-Homata , A.Polychronopoulou. European Archives of Paediatric Dentistry, 13:11-20, 2012.
• Developmental defects of enamel in first permanent molars associated with use of asthma drugs in preschool aged children. A retrospective case-control study. A.Mastora, G.Vadiakas , A.Agouropoulos, P Gartagani-Panagiotopoulou, V.Gemou-Engesaeth. European Archives of Paediatric Dentistry,  DOI 10.1007/s40368-017-0280-1, 2017.

Areas of scientific interest

• Clinical application of direct and indirect pulp capping materials in primary teeth.
• Developmental defects of enamel in permanent molars and incisors in children and adolescents.
• Caries epidemiology.
• Management of dento-alveolar injuries in children and adolescents.

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