Education / Qualifications

• 2008: Diploma in Dental Surgery-DDS (University of Athens-Greece)
• 2014: Clinical Certificate in Endodontics and Master of Science (MSc, University of Athens-Greece)
• 2020: Doctorate, Center for Dentistry and Oral Hygiene, W.J. Kolff Institute, Faculty of Medical Sciences, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.

Academic and Professional positions held

• 2023 - today: Assistant Professor, Section of Dental Pathology and Therapeutics, Department of Endodontics, School of Dentistry, National and Kapodistrian University of Athens, Greece
• 2020 - today: Research Associate, Center for Dentistry and Oral Hygiene, University Medical Center Groningen, Groningen, The Netherlands
• 2015 - 2020: Faculty member, Section of Fundamental Dentistry, Department of Endodontics, Center for Dentistry and Oral Hygiene, University Medical Center Groningen, Groningen, The Netherlands.
• 2008 - 2015: Affiliated with Department of Endodontics, School of Dentistry, National and Kapodistrian University of Athens, Greece

Research Theses

• MSc Thesis
  “Evaluation of the effect of the bio-complex comprised of human dental pulp cells/extracellular matrix scaffold on bone healing in critical-size calvarial defects”.Supervisors: Prof.dr. Georgopoulou MK, Prof.dr. Kitraki E. Department of Endodontics, School of Dentistry, National and Kapodistrian University of Athens, Greece.
• PhD Thesis
  “From biofilm disinfection to bacterial stem cell modulation and dentin matrix-driven stem cell mineralization”. Supervisors: Prof. dr. L.W.M. van der Sluis, Prof. dr. M.C. Harmsen, Assoc. prof. dr. P.K. Sharma Center for Dentistry and Oral Hygiene, W.J. Kolff Institute, Faculty of Medical Sciences, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands, 2020.

Distinctions - Awards and Honors

• 2002-2007: “Dimitrios Arapoglou” scholarship (National and Kapodistrian University of Athens, Greece).
• 2010-2013: “Papadakis Antonios” scholarship (National and Kapodistrian University of Athens, Greece).
• 2012: “I.F.E.A. - Jean-Marie Laurichesse Research Award” from the International Federation of Endodontic Associations-IFEA) for the research paper entitled “Bone regeneration in critical-size calvarial defects using human dental pulp cells in an extracellular matrix-based scaffold”.
• 2021: “Hamer Duyvensprijs” from the Dutch Society of Dental Research (Nederlandse Wetenschappelijke Vereniging van Tandartsen-NWVT) for the PhD thesis entitled “From biofilm disinfection to bacterial stem cell modulation and dentin matrix-driven stem cell mineralization”.

Memberships

• Certified member and member of the Research Committee of the European Society of Endodontology (ESE)
• International member of the American Association of Endodontists (AAE)
• Member of the Hellenic Society of Endodontics (HSE)
• Member of the Dutch Endodontic Society (Nederlandse Vereniging voor Endodontologie-NVvE)

Selected publications in scientific journals

• Dechouniotis GP, Petridis X, Georgopoulou MK. The influence of specialty training and experience on endodontic decision making. Journal of Endodontics 2010; 36(7):1130-1134.
• Petridis X, Diamanti E, Trigas G, Kalyvas D, Kitraki E. Bone regeneration in critical-size calvarial defects using human dental pulp cells in an extracellular matrix-based scaffold. Journal of Cranio-Maxillofacial Surgery 2015; 43(4):483-490.
• Petridis X, van der Sluis LWM, Dijkstra RJB, Brinker MGL, van der Mei HC, Harmsen MC. Secreted products of oral bacteria and biofilms impede mineralization of apical papilla stem cells in TLR-, species-, and culture-dependent fashion. Scientific Reports 2018; 8(1):12529.
• Busanello FH, Petridis X, So MVR, Dijkstra RJB, Sharma PK, van der Sluis LWM. Chemical biofilm removal capacity of endodontic irrigants as a function of biofilm structure: optical coherence tomography, confocal microscopy and viscoelasticity determination as integrated assessment tools. International Endodontic Journal 2019; 52(4):461-474.
• Petridis X, Beems BP, Tomson PL, Scheven B, Giepmans BNG, Kuipers J, van der Sluis LWM, Harmsen MC. Effect of dentin matrix components on the mineralization of human mesenchymal stromal cells. Tissue Engineering Part A. 2019; 25(15-16):1104-1115.
• Petridis X, Busanello FH, So MVR, Dijkstra RJB, Sharma PK, van der Sluis LWM. Factors affecting the chemical efficacy of 2% sodium hypochlorite against oral steady-state dual-species biofilms: exposure time and volume application. International Endodontic Journal 2019; 52(8):1182-1195.
• Chaniotis A, Petridis X. Cervical level biological repair of the access opening after regenerative endodontic procedures: three cases with the same repair pattern. Journal of Endodontics 2019; 45(10):1210-1227.
• Petridis X, Busanello FH, So MVR, Dijkstra RJB, Sharma PK, van der Sluis LWM. Chemical efficacy of several NaOCl concentrations on biofilms of different architecture: new insights on NaOCl working mechanisms. International Endodontic Journal 2019; 52(12):1773-1788.
• Pereira TC, Dijkstra RJB, Petridis X, van der Meer WJ, Sharma P, de Andrade FB, van der Sluis LWM. The influence of time and irrigant refreshment on biofilm removal from lateral morphological features of simulated root canals. International Endodontic Journal 2020; 53(12):1705-1714.
• Pereira TC, Dijkstra RJB, Petridis X, Sharma P, van de Meer WJ, van der Sluis LWM, de Andrade FB. Chemical and mechanical influence of root canal irrigation on biofilm removal from lateral morphological features of simulated root canals, dentine disks and dentinal tubules. International Endodontic Journal 2021; 54(1):112-129.
• Pereira TC, Boutsioukis C, Dijkstra RJB, Petridis X, Versluis M, de Andrade FB, van de Meer WJ, Sharma PK, van der Sluis LWM, So MVR. Biofilm removal from a simulated isthmus and lateral canal during syringe irrigation at various flow rates: a combined experimental and Computational Fluid Dynamics approach. International Endodontic Journal 2021; 54(3):427-438.
• Borges MMB, Dijkstra RJB, Andrade FB, Duarte MAH, Versluis M, van der Sluis LWM, Petridis X. The response of dual‐species bacterial biofilm to 2% and 5% NaOCl mixed with etidronic acid: a laboratory real‐time evaluation using optical coherence tomography. International Endodontic Journal 2022; 55(7): 758-771.

Areas of scientific interest

• Regenerative Endodontic Procedures (REPs) / Revitalization
• Root canal biofilms and disinfection
• Vital Pulp Therapy (VPT)

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