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Alexiou Konstantina-Eleni (Nadia)

Assistant Professor

Phone: (+30) 210-746-1282
Email: kalexiou[at]dent.uoa[dot]gr

Mailing Address:
2 Thivon Str, 115 27, Goudi, Athens, Greece

Ελληνική Έκδοση English Version

Education / Qualifications 

  • 2002: Doctor of Dental Surgery (DDS), Dental School, National and Kapodistrian University of Athens (NKUA), Greece.
  • 2005: Master of Science (MSc), Department of Oral Diagnosis and Radiology, Dental School, National and Kapodistrian University of Athens (NKUA), Greece.
  • 2012: Doctoral Degree (PhD), in Oral Diagnosis and Radiology, Dental School, National and Kapodistrian University of Athens (NKUA), Greece.

Academic and professional positions held

  • 2014-2022: Academic Fellow at the Clinic of Oral Diagnosis and Radiology, Department of Oral Pathology and Surgery, Dental School, National and Kapodistrian University of Athens (NKUA), Greece.
  • 2023 - today: Assistant Professor, Department of Oral Diagnosis & Radiology, Dental School, National and Kapodistrian University of Athens (NKUA), Greece.

Research Grants and Contracts 

  • 2008 – 2011: Member of the scientific team in the systematic research conducted by the SEDENTEX CT European research program, whose aim was to develop guidelines for the use of Cone Bean Computed Tomography. These guidelines were published by the European Union in 2012 under the title “Radiation Protection No 172. Cone beam CT for dental and maxillofacial radiology (Evidence-based guidelines)”.


  • Member of the International Association of Dentomaxillofacial Radiology (IADMFR).
  • Founding member of the European Academy of Dentomaxillofacial Radiology (EADMFR).
  • 2018 – 2021: Special Secretary of the Hellenic Society of Dentomaxillofacial Radiology.
  • 2021 to date: General Secretary of the Hellenic Society of Dentomaxillofacial Radiology.
  • Member of the Hellenic Society of Odostomatological Research.

Research Theses - Books

  • 2005: “Evaluation of radiographic findings in patients with temporomandibular joint osteoarthritis using Cone Beam CT”. Postgraduate Dissertation (MSc). Athens.
  • 2011: “Correlation of clinical indices and dental CBCT imaging findings of patients with temporomandibular disorders”, PhD Thesis in Oral Pathobiology.

Selected publications in scientific journals

  • Yfanti Z, Tetradis S, Nikitakis NG, Alexiou KE, Makris N, Angelopoulos C, Tsiklakis K. Radiologic findings of osteonecrosis, osteoradionecrosis, osteomyelitis and jaw metastatic disease with cone beam CT. Eur J Radiol. 2023 Aug;165:110916. doi: 10.1016/j.ejrad.2023.110916.
  • Tsolakis IA, Verikokos C, Papaioannou W, Alexiou KE, Yfanti Z, Perrea D, Tsolakis AI. Long-Term Effect of Diet Consistency on Mandibular Growth within Three Generations: A Longitudinal Cephalometric Study in Rats. Biology (Basel). 2023 Apr 7;12(4):568. doi: 10.3390/biology12040568.
  • Tsolakis IA, Christopoulou I, Papadopoulou E, Papaioannou W, Alexiou KE, Lyros I, Rontogianni A, Souliou CE, Tsolakis AI. Applications of Biotechnology to the Craniofacial Complex: A Critical Review. Bioengineering (Basel). 2022 Nov 3;9(11):640. doi: 10.3390/bioengineering9110640. 
  • Ferdianakis E, Lyros I, Tsolakis IA, Alexiou A, Alexiou K, Tsolakis AI. Anterior Mandibular Displacement in Growing Rats-A Systematic Review. Animals (Basel). 2022 Aug 12;12(16):2059. doi: 10.3390/ani12162059. 
  • Tsolakis IA, Verikokos C, Perrea D, Alexiou K, Gizani S, Tsolakis AI. Effect of diet consistency on rat mandibular growth. A geometric morphometric and linear cephalometric study. Biology 2022, 11, 901. doi: 10.3390/biology11060901.
  • Lyros I, Ferdianakis E, Halazonetis D, Lykogeorgos T, Alexiou A, Alexiou KE, Georgaki M, Vardas E, Yfanti Z, Tsolakis AI. Three-Dimensional Analysis of Posterior Mandibular Displacement in Rats. Vet Sci. 2022 Mar 20;9(3):144. doi: 10.3390/vetsci9030144.
  • Nicolatou-Galitis O, Papadopoulou E, Vardas E, Kouri M, Galiti D, Galitis E, Alexiou KE, Tsiklakis K, Ardavanis A, Razis E, Athanasiadis I, Droufakou S, Psyrri A, Karamouzis MV, Linardou H, Daliani D, Tzanninis D, Sachanas S, Laschos K, Kyrtsonis MC, Antoniou F, Laskarakis A, Giassas S, Nikolaidi A, Rigakos G, Ntokou A, Migliorati CA, Ripamonti CI. Alveolar bone histological necrosis observed prior to extractions in patients, who received bone-targeting agents. Oral Dis. 2020 Jul;26(5):955-966. doi: 10.1111/odi.13294. 
  • Tsolakis AI, Kalavritinos M, Bitsanis E, Sanoudos M, Benetou V, Alexiou K, Tsiklakis K. Reliability of different radiographic methods for the localization of displaced maxillary canines. Am J Orthod Dentofacial Orthop. 2018 Feb;153(2):308-314. doi: 10.1016/j.ajodo.2017.06.026. 
  • Kalavritinos M, Benetou V, Bitsanis E, Sanoudos M, Alexiou K, Tsiklakis K, Tsolakis AI.
  • Incidence of incisor root resorption associated with the position of the impacted maxillary canines: A cone-beam computed tomographic study. Am J Orthod Dentofacial Orthop. 2020 Jan;157(1):73-79. doi: 10.1016/j.ajodo.2019.02.016. 
  • Alexiou KE, Stamatakis H, Tsiklakis K. Evaluation of the severity of temporomandibular joint osteoarthritic changes related to age using cone beam computed tomography. Dentomaxillofac Radiol. 2009 Mar;38(3):141-7. doi: 10.1259/dmfr/59263880.
  • Makris N, Tsiklakis K, Alexiou KE, Vierou AM, Stefaniotis T. The subjective image quality of conventional and digital panoramic radiography among 6 to10 year old children. J Clin Pediatr Dent. 2006;31(2):109-12. doi: 10.17796/jcpd.31.2.46lx77211v483x01.

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