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Kostas Tsiklakis


Professor, Head of the Dept. of Oral Diagnosis & Radiology

Phone: (+30) 210-746-1007
FAX: 210-746-1280
Email: ktsiklak[at]dent.uoa[dot]gr

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

Ελληνική Έκδοση English Version

Education / Qualifications

  • 1976, Doctor of Dental Surgery (DDS), National and Kapodistrian University of Athens, Athens, Greece
  • 1984, Master of Science, Loyola University, U.S.A.
  • 1984, Certificate in Oral Diagnosis, Oral Medicine, Oral Radiology, Loyola University, U.S.A.
  • 1984, Doctoral Degree (PhD), National and Kapodistrian University of Athens, Athens, Greece.

Academic and professional positions held

  • 1984-1985: Clinical Assistant Professor, Oral Diagnosis Dept. Loyola University of Chicago.
  • 1985-1989: Lecturer, Department of Oral Diagnosis & Radiology School of Dentistry, NKUA.
  • 1989-1999: Assistant Professor, Department of Oral Diagnosis & RadiologySchool of Dentistry, NKUA.
  • 1999-2003: Associate Professor, Department of Oral Diagnosis & RadiologySchool of Dentistry, NKUA..
  • 2003-Present: Professor and Chairman, Department of Oral Diagnosis & Radiology, School of Dentistry, NKUA.
  • 2003-2007 Chairman of Undergraduate Curriculum Committee, School of Dentistry, NKUA
  • 2007-2011  Director of Postgraduate Studies, School of Dentistry, NKUA
  • 2007 -2011 Vice Dean, School of Dentistry, NKUA
  • 2011-2015 President of Continuous Education Committee School of Dentistry, NKUA
  • 2015-Present Director of Postgraduate Studies, School of Dentistry, NKUA

Academic and Professional responsibilities

  •  Member in 15 Scientific and Professional Societies
  • 1994-1997: Member of the Βoard of Directors, Hellenic Society of Odontostomatological Research
  • 1998-2000: Member of the Board of Directors, Hellenic Association of Dentomaxillofacial Radiology
  • 1999 – 2002, 2009 – present: President Hellenic Association of  Dentomaxillofacial Radiology
  • 1999 - 2002: Assistant Secretary General, Athens Dental Society (elected).
  • 2000: President ,7th European Congress of Dentomaxillofacial Radiology, Athens
  • 2001: Panel Member of the European Commission’s Committee, responsible for the“European guidelines on radiation protection in dental radiology. The safe use of radiographs in dental practice” Issue No 136.
  • 2003-2005: 2nd Vice- President of Athens Dental Society
  • 2004-2006 Vice- President (elected) European Academy of Dento-maxillo-facial Radiology (EADMFR).
  • 2006: President of the organizing committee of the 26th National Dental Congress Athens 2006.
  • 2006-2008 President (elected) European Academy of Dento-maxillo-facial  Radiology (EADMFR).
  • 2010-Present Member of the International Editorial Board of DentoMaxillofacial Radiology
  • 2013-2015 Vice-President (elected) Hellenic Society of Odontostomatological
  • 2015- present: President (elected) Hellenic Society of Odontostomatological Research

Research Grants and Contracts

  • 2003- 2005: Member of the scientific team of the triennial European research project “The diagnostic validity of dental radiographic techniques for identifying osteoporotic patient (ΟSTEODENT project),funded by grants from the EC 5th Framework. Project participants were the universities of Manchester UK, Leuven Belgium, Malmö Sweden and Amsterdam the Netherlands
  • 2008-2011: Head of the Greek scientific team participated in the 7th Euratom Framework project SEDENTEXCT (Safety and Efficacy of a New and Emerging Dental X-ray Imaging Modality) from 2008-2011. As a result of this research program the “Radiation Protection: Cone Beam CT for Dental and Maxillofacial Radiology. Evidence based guidelines” was developed and published as a European Document (May 2012  No 172). Project participants were the universities Manchester UK, Leuven Belgium , Malmö Sweden, Cluj-Napoca, Romania και Vilnius Lithuania and the company Leeds Test Objects Ltd., Boroughbridge, UK.

Awards and Honours

  • Award, League of Greek College & University Graduate in Lebanon.
  • Graduate Research Scholarship, Loyola University of Chicago.
  • Honorary Member of Stomatological Society of Crete, 2003.

Research Theses - Books

  •  2001: Aggelopoulos A.P.,Spyropoulos N.D., Tsiklakis K. Contemporary Oral and Maxillofacial Diagnostic and Radiology.  Publisher Medical  Editions Litsas, Athens
  •  2003: Spyropoulos N.D., Nicopoulou-Karayianni K, Tsiklakis K.  Intraoral Radiographs. Publisher Medical Editions Litsas, Athens
  •  2012: Karayianni K., Tsiklakis K. Forensic Odontology, Fundamentals and  Applications.Publisher BROKEN HILL PUBLISHERS LTD
  •  2013 Karayianni K, Kolokotronis A, Tsiklakis K., Radiological diagnosis in Oral and Maxillofacial Pathology. Publisher University Studio Press

 Invited Speaker

  • 1990 International Symposium on TMJ imaging, Axialtome Co., Zurich,
  • 1998: Cyprus Dental Society,
  • 1990 – present: Several Local Greek Dental Associations
  • 2006 112th meeting of the American Dental Society of Europe, Dubrovnik Croatia.
  • 2008 59th Congress of the American Academy of Oral and Maxillofacial Radiology, Pittsburgh USA.
  • 2008 50th Anniversary Congress of the British Society of Dento Maxillofacial Radiology, London England
  • 2008 Lebanese Dental Association, Beirut Lebanon
  • 2009 17th International Congress of Dento-Maxillo-Facial Radiology, Amsterdam the Nederlands
  • 2011 SedentexCT workshop on Dental Cine Beam CT, Leeds UK
  • 2011 20th Annual Meeting of European Association of Osseointegration, Athens Greece
  • 2012 European Workshop on Education and Training in Medical Radiation Protection Athens Greece
  • 2013 North Lebanon Dental Association, Beirut Lebanon
  • 2015 66th  Annual Session of the American Academy of Oral and maxillofacial Radiology, Indianapolis USA
  • Participation as lecturer in more than 125 International and Greek Congresses and Scientific meetings.

 Selected publications in scientific journals

  • Mitsea A, Vardas E, Papachatzopoulou A, Kalfountzos G, Leventis M, Tsiklakis K. The frequency of non-syn- dromic distomolar teeth in a Greek population sample. J Clin Exp Dent. 2015; doi:10.4317/jced. 52411.
  • Pauwels R, Stamatakis H, Bosmans H, Bogaerts R, Jacobs R,Horner K, Tsiklakis K, The SEDENTEXCT Project Consortium Quantification of metal artifacts on cone beam computed tomography images.Clin. Oral Impl. Res. 24 (Suppl. A100), 2013, 94–99 doi: 10.1111/j.1600-0501.2011.02382.x.
  • Kavadella, A. E. Kossioni, K. Tsiklakis, J. Cowpe, A. Bullock, E. Barnes, S. Bailey, H. Thomas, R. Thomas, T. Karaharju-Suvanto, K. Suomalainen, H. Kersten, E. Povel, M. Giles, D. Walmsley, U. Soboleva, A. Liepa and I. Akota. Recommendations for the development of e-modules for the continuing professional development of European dentists. Eur J Dent Educ 2013:17 (Suppl. 1): 45–54
  • Kavadella A, Tsiklakis K, Vougiouklakis G, Lionarakis A. Evaluation of a blended learning course for teaching oral radiology to undergraduate dental students. Eur JDent Educ 2012; 16(1):e88-95.
  • Pepelassi E, Nicopoulou-Karayianni K, Archontopoulou AD, Mitsea A, Kavadella A, Tsiklakis K, Vrotsos I, Devlin H, Horner K. The relationship between osteoporosis and periodontitis in women aged 45-70 years.Oral Dis. 2012 May;18(4):353-9.
  • Ruben Pauwels, Jilke Beinsberger, Harry Stamatakis, Kostas Tsiklakis, Walker A, Bosmans H, Bogaerts R, Jacobs R, Horner K, and The SEDENTEXCT Project Consortium. Comparison of spatial and contrast resolution for cone-beam computed tomography scannersOral Surg Oral Med Oral Pathol Oral Radiol 2012;114:127-135
  • Makris, N., Stamatakis, H., Syriopoulos, K., Tsiklakis, K., van der Stelt, P.F.  Evaluation of the visibility and the course of the mandibular incisive canal and the lingual foramen using cone-beam computed tomography, Clinical Oral Implants Research 2010;21 (7), pp. 766-771.
  • Tsiklakis, K.  Cone Beam Computed Tomographic Findings in Temporomandibular Joint Disorders. Alpha Omegan 2010; 103 (2), pp. 68-78 
  • Spyropoulos, B., Manousaridis, G., Varvatos, M., Tsiklakis, K.  Spectra determination for a cone beam computed tomography system through the employment of a CdTe detector. IFMBE Proceedings 2009;25 (3), pp. 567-570 
  • Markou, N., Pepelassi, E., Vavouraki, H., Stamatakis, H.C., Nikolopoulos, G., Vrotsos, I., Tsiklakis, K. Treatment of periodontal endosseous defects with platelet-rich plasma alone or in combination with demineralized freeze-dried bone allograft: A comparative clinical trial. Journal of Periodontology, 2009; 80 (12), pp. 1911-1919  
  • Gavala, S., Donta, C., Tsiklakis, K., Boziari, A., Kamenopoulou, V., Stamatakis, H.C Radiation dose reduction in direct digital panoramic radiography, European Journal of Radiology, 2009; 71 (1), pp. 42-48  
  • Horner, K., Islam, M., Flygare, L., Tsiklakis, K., Whaites, E.Basic principles for use of dental cone beam computed tomography: Consensus guidelines of the European Academy of Dental and Maxillofacial Radiology, Dentomaxillofacial Radiology, 2009; 38 (4), pp. 187-195  
  • Nicopoulou-Karayianni, K., Tzoutzoukos, P., Mitsea, A., Karayiannis, A., Tsiklakis, K., Jacobs, R., Lindh, C., van der Stelt P, Allen P, Graham J, Horner K, Devlin H, Pavitt S, Yuan, J.Tooth loss and osteoporosis: The osteodent study, Journal of Clinical Periodontology,  2009; 36 (3), pp. 190-197  
  • Alexiou, K.E., Stamatakis, H.C., Tsiklakis, K.Evaluation of the severity of temporomandibular joint osteoarthritic changes related to age using cone beam computed tomography. Dentomaxillofacial Radiology, 2009; 38 (3), pp. 141-147 
  • Damaskos, S., Griniatsos, J., Tsekouras, N., Georgopoulos, S., Klonaris, C., Bastounis, E., Tsiklakis, K. Reliability of panoramic radiograph for carotid atheroma detection: a study in patients who fulfill the criteria for carotid endarterectomy. Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology 2008;106 (5), pp. 736-742 
  • Makris, N., Tsiklakis, K., Alexiou, K.E., Vierrou, A.M., Stefaniotis, Th, The subjective image quality of conventional and digital panoramic radiography among 6 to 10 year old children.  Journal of Clinical Pediatric Dentistry 2006;31 (2), pp. 109-112 
  • Parashis, A.O., Tsiklakis, K., Tatakis, D.N. EDTA gel root conditioning: Lack of effect on clinical and radiographic outcomes of intrabony defect treatment with enamel matrix derivative.Journal of Periodontology 2006; 77 (1), pp. 103-110
  • Tsiklakis, K., Donta, C., Gavala, S., Karayianni, K., Kamenopoulou, V., Hourdakis, C.J.   Dose reduction in maxillofacial imaging using low dose Cone Beam CT. European Journal of Radiology 2005;56 (3), pp. 413-417  
  • Tsiklakis, K., Damaskos, S., Kalyvas, D., Nicopoulou-Karayianni, K., Van Der Stelt, P.F.  The use of digital subtraction radiography to evaluate bone healing after surgical removal of radicular cysts. Oral Radiology,2005; 21 (2), pp. 56-61 
  • Tsiklakis, K., Syriopoulos, K., Stamatakis, H.C.  Radiographic examination of the temporomandibular joint using cone beam computed tomography. Dentomaxillofacial Radiology, 2004;33 (3), pp. 196-201  
  • Mastoris, M., Yoshiura, K., Welander, U., Tsiklakis, K., Papadakis, E., Li, G.  Psychophysical properties of a new F-speed intraoral film.  Dentomaxillofacial Radiology 2004;33 (3), pp. 158-163  
  • Parashis, A., Andronikaki-Faldami, A., Tsiklakis, K.  Clinical and Radiographic Comparison of Three Regenerative Procedures in the Treatment of Intrabony Defects. International Journal of Periodontics and Restorative Dentistry 2004;24 (1), pp. 81-90  
  • Kalyvas, D., Tosios, K.I., Leventis, M.D., Tsiklakis, K., Angelopoulos, A.P.  Localized jaw enlargement in renal osteodystrophy: Report of a case and review of the literature. Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics 2004; 97 (1), pp. 68-74 
  • Tsiklakis K, Donta-Bakoyanni C, Tassopoulou M, Kamenopoulou V. Absorbed radiation dose during lateral cephalometric radiography: comparison of screen-film systems and field-size combinations. J Clin Pediatr Dent. 2000;24(2):117-21
  • Parashis A, Tsiklakis K. Clinical and radiographic findings following application of enamel matrix derivative in the treatment of intrabony defects. A series of case reports. J Clin Periodontol. 2000;27(9):705-13
  • Pepelassi EA, Tsiklakis K, Diamanti-Kipioti A. Radiographic detection and assessment of the periodontal endosseous defects. J Clin Periodontol. 2000;27(4):224-30
  • Tsiklakis, K., Donta-Bakoyanni, C., Tassopoulou, M., Kamenopoulou, V.  Absorbed radiation dose during lateral cephalometric radiography: Comparison of screen-film systems and field-size combinations. Journal of Clinical Pediatric Dentistry  2000; 24 (2), pp. 117-121 
  • Parashis, A., Tsiklakis, K.  Clinical and radiographic findings following application of enamel matrix derivative in the treatment of intrabony defects: A series of case reports. Journal of Clinical Periodontology,  2000; 27 (9), pp. 705-713
  • Pepelassi, E.A., Tsiklakis, K., Diamanti-Kipioti, A.Radiographic detection and assessment of the periodontal endosseous defects. Journal of Clinical Periodontology, 2000; 27 (4), pp. 224-230 
  • Paraschis A, Andronikaki-Faldami A, Tsiklakis K, van der Stelt PF. Clinical application of a new bioresorbable guided tissue regeneration device: case reports. Int J Periodont Rest Dent 1998;18:389-401
  • Paraschis A, Andronikaki-Faldami A, Tsiklakis K. Comparison of two regenerative procedures -gtr and dfdba- in the treatment of intrabony defects: a clinical and radiographic study. Journal of Periodontology, 1998;69:751-758
  • Syriopoulos K, Xelders XL, van der Stelt P, van Ginkel G, Tsiklakis K. Mail survey of dental radiographic techniques and radiation dose measurement in Greece. Dentomaxilofacial Radiology 1998;27:321-328
  • Karkazis HC, Lambadakis J, Tsichlakis K. Cephalometric evaluation of the changes in mandibular symphysis after 7 years of denture wearing. Gerodontology, 1998;14(2)
  • Tsiklakis K, van der Stelt PF, Paraschis A. Projective reconstruction of non-standardized radiographs in digital subtraction radiography. Dentomaxillofacial Radiology, 1995; 24:105-106
  • Bazopoulou-Kyrkanidou E, Vrotsos I, Kyrkanides S, Tsichlakis K et al. Hyperbrachycephaly, short face, midface hypoplasia, fusion of cervical vertebrae, radiolucent bone defects and severe destruction of periodontium - a new syndrome: craniofaciocervical osteoglyphic dysplasia. Genetic Counseling, 1994;5:257-267
  • Tsiklakis K, Tetradis S. A method for corrected cephalometric tomographic cross sections of the jaws. Hellenic Dental Journal, 1994;4:3-8
  • Tsiklakis K, Nicopoulou-Karayianni A. Multiple neurofibromatosis associated with mandibular growth and facial asymmetry. Annals of Dentistry 1990;49:14-17
  • Tsiklakis K, Wood NK. Verrucous carcinoma and verrucous hyperplasia of the oral cavity: report of a case. Annals of Dentistry, 1988; 47(2):34-36
  • Tsiklakis K, Papadakou A, Angelopoulos AP. The therapeutic effect of an aromatic retinoid (RO-109359) on hamster buccal pouch carcinomas. Oral Surgery, Oral Medicine, Oral Pathology, 1987;64:327-332
  • Tsiklakis K, Wood NK, Toto PD, Doemling DB. Hamster cheek pouch carcinoma: effect of incision and cortisone on growth, invasion and metastasis. J Dent Res 1986;65:927-931
  • Tsiklakis K, Wood NK, Toto PD, Doemling DB. Hamster cheek pouch carcinoma: effect of incision and cortisone on growth, invasion and metastasis. J Dent Res 1986;65:927-931
  • Safour IM, Wood NK, Tsiklakis K, Doemling DB, Joseph G. Encisional biopsy and seeding in hamster cheek pouch carcinoma. J Dent Res 1984;63:116-120

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