Education / Qualifications

• Doctor of Dental Science (D.D.S), School of Dentistry, Aristotle University of Thessaloniki, Greece
• Ph.D. in Periodontology, National and Kapodistrian University of Athens, Greece (1998)
• Postdoctoral training, Department of Periodontics and Implant Dentistry, New York University College, Ashman, USA (1999)
• Department of Periodontology, UCL Eastman Dental Institute, London, UK (2010-2011)

Academic and professional positions held

• Teaching and Clinical associate, Department of Periodontology, School of Dentistry, National and Kapodistrian University of Athens, Greece (2003-2004)
• Lecturer, Department of Periodontology, School of Dentistry, National and Kapodistrian University of Athens, Greece (2006-2012)
• Assistant Professor, Department of Periodontology, School of Dentistry, National and Kapodistrian University of Athens, Greece (2012-2019)
• Associate Professor, Department of Periodontology, School of Dentistry, National and Kapodistrian University of Athens, Greece (2019-)

Academic and professional responsibilities

• Member of the General Assembly of the Dental School, University of Athens 2006-2007, 2018-2019, 2019-
• Clinical supervisor at the undergraduate Comprehensive Care Clinic
• Lectures, literature review, case seminars at postgraduate students
• Member of the Organization committee of the 10th, 11th, 12th and 13th International Symposium of the Hellenic Society of Periodontology, Athens, Greece.
• Member of Editorial Board of “Analecta Periodontologica” (Peer-review journal of the Hellenic Society of Periodontology), 2003 – 2017
• Member of the Board of the Hellenic Society of Periodontology (2009-)

Awards and Honours

• Research Award ‘Koulourides’ by Procter & Gamble Hellas (2005)
• Honorary Research Assistant, Department of Periodontology, UCL Eastman Dental Institute, London, UK (2010-2017)
• Honorary Senior Lecturer in the Centre for Oral Clinical Research, Institute of Dentistry within the School of Medicine & Dentistry, Queen Mary University of London, UK (2017-2019)

Memberships

• Hellenic Society of Periodontology
• Hellenic Association of Periodontists
• Society of Odontostomatological Progress
• European Federation of Periodontology
• International Team for Implantology
• European Association for Osseointegration

Research Theses - Chapter Book

• ‘Histological study of the gingival periodontal pocket wall before and after non-surgical periodontal treatment’. Dereka X. Thesis, Department of Periodontology, School of Dentistry, National and Kapodistrian University of Athens, Greece (1998)
• ‘The rat as an experimental model for osteoporosis in the study of guided bone regeneration and dental implant osseointegration’. Dereka X. Research Monograph, Department of Periodontology, School of Dentistry, National and Kapodistrian University of Athens, Greece (2019)
• Enamel matrix proteins for periodontal regeneration. N. Donos, X. Dereka, H. Amin. In: Dental Biomaterials: Repair and Restoration. Edited by Pekka Vallittu, Woodhead Publishing Limited, 2013

Selected publications in scientific journals

• Donos N, Dereka X, Calciolari E. The use of bioactive factors to enhance bone regeneration. A narrative review. J Clin Periodontol 46 Suppl 21:124-161, 2019
• Georgiou AC, Laine ML, Deng DM, Brandt BW, van Loveren C, Dereka X. Efficacy of probiotics: clinical and microbial parameters of halitosis. J Breath Res 21;12(4):046010, 2018
• Chatzopoulou E, Trianti M, Fanourakis G, Dereka X. Herpes Simplex Virus 1 and 2 in Chronic Periodontitis: Prevalence and Association with Clinical Parameters. Dent Health Curr Res 2018, 4:2
• Dereka X, Calciolari E, Donos N, Mardas N. Οsseointegration in osteoporotic-like condition: A systematic review of preclinical studies. J Periodontal Res 53(6):933-940, 2018
• Donos N, Park JC, Vajgel A, de Carvalho Farias B, Dereka X. Description of the periodontal pocket in preclinical models: limitations and considerations. Periodontol 2000 76(1):16-34, 2018
• Calciolari E, Mardas N, Dereka X, Anagnostopoulos A, Tsangaris GT, Donos N. Protein expression during early stages of bone regeneration under hydrophobic and hydrophilic titanium domes. A pilot study. J Periodontal Res 53(2):174-187, 2018
• Calciolari E, Mardas N, Dereka X, Anagnostopoulos AK, Tsangaris GT, Donos N. The effect of experimental osteoporosis on bone regeneration: Part 2, proteomics results. Clin Oral Implants Res 28(9):e135-e145, 2017
• Calciolari E, Mardas N, Dereka X, Kostomitsopoulos N, Petrie A, Donos N. The effect of experimental osteoporosis on bone regeneration: Part 1, histology findings. Clin Oral Implants Res 28(9):e101-e110, 2017
• Donos N, Dereka X, Mardas N. Experimental models for guided bone regeneration in healthy and medically compromised conditions. Periodontol 2000 68(1):99-121, 2015
• Mardas N, Dereka X, Donos N, Dard M. Experimental model for bone regeneration in oral and cranio-maxillo-facial surgery. J Invest Surg 27(1):32-49, 2014
• Pantou AL, Markopoulou CE, Dereka XE, Vavouraki H, Mamalis A, Vrotsos IA. The effect of platelet-rich plasma (PRP) combined with a bone allograft on human periodontal ligament (PDL) cells. Cell Tissue Bank 13(1):81-8, 2012
• Dereka X, Mardas N, Chin S, Petrie A, Donos N. A systematic review on the association between genetic predisposition and dental implant biological complications. Clin Oral Implants Res 23(7):775-88, 2012
• Koromantzos PA, Makrilakis K, Dereka X, Offenbacher S, Katsilambros N, VrotsosIA, Madianos PN. Effect of non-surgical periodontal therapy on C-reactive protein, oxidative stress, and matrix metalloproteinase (MMP)-9 and MMP-2 levels in patients with type 2 diabetes: a randomized controlled study. J Periodontol 83(1):3-10, 2012
• Markopoulou CE, Dereka XE, Vavouraki HN, Pepelassi EE, Mamalis AA, KaroussisIK, Vrotsos IA. Effect of rhTGF-β1 combined with bone grafts on human periodontalcell differentiation. Growth Factors 29(1):14-20, 2011
• Koromantzos PA, Makrilakis K, Dereka X, Katsilambros N, Vrotsos IA, Madianos PN. A randomized, controlled trial on the effect of non-surgical periodontal therapy in patients with type 2 diabetes. Part I: effect on periodontal status and glycaemic control. J Clin Periodontol 38(2):142-7, 2011
• Dereka XE, Markopoulou CE, Fanourakis G, Tseleni-Balafouta S, Vrotsos IA. RANKL and OPG mRNA level after non-surgical periodontal treatment. Inflammation 33(3):200-6, 2010
• Dereka XE, Markopoulou CE, Mamalis A, Vrotsos IA. Effect of rhBMP-7 combined with two bone grafts on human periodontal ligament cell differentiation. Growth Factors 27(5):274-9, 2009
• Markopoulou CE, Markopoulos P, Dereka XE, Pepelassi E, Vrotsos IA. Effect of homologous PRP on proliferation of human periodontally affected osteoblasts. In vitro preliminary study. Report of a case. J Musculoskelet Neuronal Interact 9(3):167-72, 2009
• Pepelassi EA, Markopoulou CE, Dereka XE, Mamalis AA, Vrotsos IA, Koutsilieris M. Platelet-rich plasma effect on periodontally affected human gingival fibroblasts: an in vitro study. J Int Acad Periodontol 11(1):160-8, 2009
• Dereka XE, Markopoulou CE, Vrotsos IA. Role of growth factors on periodontal repair. Growth Factors 24(4):260-7, 2006
• Dereka XE, Markopoulou CE, Mamalis A, Pepelassi E, Vrotsos IA. Time- and dose-dependent mitogenic effect of basic fibroblast growth factor combined with different bone graft materials: an in vitro study. Clin Oral Implants Res 17(5):554-9, 2006
• Dereka XE, Tosios KI, Chrysomali E, Angelopoulou E. Factor XIIIa+ dendritic cells and S-100 protein+ Langerhans' cells in adult periodontitis. J Periodontal Res 39(6):447-52, 2004
• Vavouraki HN, Dereka XE, Vrotsos IA, Markopoulou CE. Ability of a bovine bone graft, alone or enriched with PDGF-BB or rhBMP-2, to promote human periodontal ligament (PDL) cells proliferation. A preliminary study. Cell Tissue Bank 4(1):17-23, 2003
• Marcopoulou CE, Vavouraki HN, Dereka XE, Vrotsos IA. Proliferative effect of growth factors TGF-beta1, PDGF-BB and rhBMP-2 on human gingival fibroblasts and periodontal ligament cells. J Int Acad Periodontol 5(3):63-70, 2003
• Markopoulou CE, Vrotsos IA, Vavouraki HN, Dereka XE, Mantzavinos ZS. Human periodontal ligament cell responses to recombinant human bone morphogenetic protein-2 with and without bone allografts. J Periodontol 74(7):982-9, 2003
• Papadopoulos CE, Dereka XE, Vavouraki EN, Vrotsos IA. In vitro evaluation of the mitogenic effect of platelet-derived growth factor-BB on human periodontal ligament cells cultured with various bone allografts. J Periodontol 74(4):451-7, 2003

Areas of scientific interest

• Biology of periodontal tissues
• Periodontal regeneration
• Implantontology

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