Education / Qualifications

• 2003: Diploma in Dental Surgery-DDS (University of Athens-Greece)
• 2008: Clinical Certificate in Endodontics and Master of Science (MSc, University of Athens-Greece, 2008)
• 2015: Doctorate in Oral Biology (Dr. Dent, University of Athens-Greece)

Academic and professional positions held

• 2023-today: Associate Professor in Endodontics
• 2019-2023: Assistant Professor in Endodontics
• 2007-2018: Affiliated with the Dept of Endodontics

Awards and Honours

• 2015: The research paper entitled «Kontakiotis EG, Filippatos CG, Tzanetakis GN, Agrafioti A. Regenerative endodontic therapy: a data analysis of clinical protocols. J Endod 2015» was chosen by the Continuing Education Committee of the American Association of Endodontists to be included in the AAΕ Live learning center.
• 2007: Award of the Hellenic Society of Endodontics “Ioannis Margelos” for the research paper entitled «A Comparative Study of Contact Angles of Four Different Root Canal Sealers». (Kontakiotis, Tzanetakis and Loizides) published in the Journal of Endodontics 2007; 33: 299 – 302.  

Memberships

• Certified member of the European Society of Endodontology (ESE)
• International resident member of the American Association of Endodontists (AAE)
• Member of the Hellenic Endodontic Society
• Member of the Hellenic Association of Endodontists
• Member of the Society of Odontostomatological research

Research Theses

• PhD Thesis: Comparison of Bacterial Community Composition of Primary and Persistent Endodontic Infections Using Pyrosequencing, Athens 2015.

• Master Thesis: The influence of smear layer removal on sealing ability and radiographic quality of root canal fillings, Athens 2008.

Selected publications in scientific journals

• Tzanetakis GN, Lagoudakos TA, Kontakiotis EG. Endodontic treatment of a mandibular second premolar with four canals using operating microscope. Journal of Endodontics 2007, 33: 318-21.
• Loizides AL, Kakavetsos VD, Tzanetakis GN, Kontakiotis EG, Eliades G. A comparative study of the effects of two nickel-titanium preparation techniques on root canal geometry assessed by microcomputed tomography. Journal of Endodontics 2007; 33: 1455-9.
• Tzanetakis GN, Kontakiotis EG, Maurikou DV, Marzelou MP. Prevalence and management of instrument fracture in the postgraduate endodontic program at the Dental School of Athens: a five-year retrospective clinical study. Journal of Endodontics 2008, 34: 675-8.
• Tzanetakis GN, Kakavetsos VD, Kontakiotis EG. Impact of smear layer on sealing property of root canal obturation using 3 different techniques and sealers. Part I. Oral Surgery Oral Medicine Oral Pathology Oral Radiology and Endodontology 2010, 109: e145-53.
• Samara A, Sarri Y, Stravopodis D, Tzanetakis GN, Kontakiotis EG, Anastasiadou E. A comparative study of the effects of three root-end filling materials on proliferation and adherence of human periodontal ligament fibroblasts. Journal of Endodontics 2011, 37: 865-70.
• Tzimpoulas NE, Alisafis MG, Tzanetakis GN, Kontakiotis EG. A prospective study of the extraction and retention incidence of endodontically treated teeth with uncertain prognosis after endodontic referral. Journal of Endodontics 2012, 38: 1326-9.
• Kontakiotis EG, Filippatos CG, Stefopoulos S, Tzanetakis GN. A prospective study of the incidence of asymptomatic pulp necrosis following crown preparation. International Endodontic Journal 2015, 48: 512-7.
• Kontakiotis EG, Filippatos CG, Tzanetakis GN, Agrafioti A. Regenerative endodontic therapy: a data analysis of clinical protocols. Journal of Endodontics 2015, 41: 146-54.
• Tzanetakis GN, Azcarate-Peril MA, Zachaki S, Panopoulos P, Kontakiotis EG, Madianos PN, Divaris K. Comparison of bacterial community composition of primary and persistent endodontic infections using pyrosequencing. Journal of Endodontics 2015, 41: 1226-33.
• Tzanetakis GN, Stefopoulos S, Loizides AL, Kakavetsos VD, Kontakiotis EG. Evolving trends in endodontic research: An assessment of published articles in 2 leading endodontic journals. Journal of Endodontics 2015, 41: 1962-8.
• Tzanetakis GN, Tzimpoulas N, Floratos S, Agrafioti A, Kontakiotis EG, Shemesh H. Full text publication rates of research abstracts presented at the European Society of Endodontology (ESE) Congresses in the last 20 years. International Endodontic Journal 2018, 51: 215-22.
• Tzanetakis GN. Management of Intruded Immature Maxillary Central Incisor with Pulp Necrosis and Severe External Resorption by Regenerative Approach. Journal of Endodontics 2018, 44: 245-249.

Areas of scientific interest

• Microbiology of endodontic infections
• Vital pulp therapy
• Dental trauma

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