Education / Qualifications 

• Degree in Dentistry, School of Dentistry, University of Athens (1995)
• Master of Science in Oral Biology, School of Dentistry, University of Athens (2002)
• Certificate in Orthodontics, School of Dentistry, University of Athens (2002)
• Certificate of Specialization – Licensure in Οrthodontics (2003)
• Doctor of Dentistry, School of Dentistry, University of Athens (2009)

Academic and professional positions held

• Scientific collaborator, Department of Orthodontics, School of Dentistry, University of Athens (2003-2010)
• Lecturer, Department of Orthodontics, School of Dentistry, University of Athens (2010-2016)
• Assistant Professor, Department of Orthodontics, School of Dentistry, University of Athens (2016-2023)
• Associate Professor, Department of Orthodontics, School of Dentistry, University of Athens (2023-)

Academic and professional responsibilities 

• Reviewer in several international and national journals
• Supervisor of the orthodontic part of the epidemiological survey of the National Program “Assessment and Promotion of the Oral Health of the Hellenic Population” (2013)
• RCT for the effectiveness of 3 orthodontic retention schemes on post-treatment stability and gingival recession (Papagiannis A, Koletsi D, Halazonetis D) (https://clinicaltrials.gov/ct2/show/NCT02742493?cond=Effectiveness+of+3+Orthodontic+Retention+Schemes&rank=1)
• Research grant for academics from the German Academic Exchange Service (http://www.ukb.uni-bonn.de/42256BC8002AF3E7/vwWebPagesForPrint/942E861A0D01C03EC125794F004B33CC)
• Recipient of the Align Technology Global Funding Awarded Towards Advancing Orthodontic and Dental Research for 2017 and 2018.

Memberships 

• European Orthodontic Society
• Greek Association for Orthodontic Study and Research
• Greek Society of Lingual Orthodontics (board of directors)
• Greek Orthodontic Society
• Hellenic Society for Odontostomatological Research
• Hellenic Dental Association

Research Theses 

• Maximum bite force in children with unilateral crossbite. Thesis in partial fulfilment of the requirements for a  Master's degree in Oral Biology from the Dental School, University of Athens (2002)
• A comparative assessment of the forces and moments generated with various incisor intrusion biomechanics. Dissertation - Department of Biomaterials,  Dental School, University of Athens (2009)

 Selected publications in scientific journals

• Mortensen D, Gizani G, Salamara O, Sifakakis I, Tweetman S. Monitoring regression of post-orthodontic lesions with impedance spectroscopy: a pilot study. 2018;Eur J Orthod
• Papageorgiou SN, Sifakakis I, Keilig L, Patcas R, Affolter S, Eliades T, Bourauel C. Torque differences according to tooth morphology and bracket placement: a finite element study. Eur J Orthod. 2017;39:411-8.
• Sifakakis I, Zinelis S, Patcas R, Eliades T. Mechanical properties of contemporary orthodontic adhesives used for lingual fixed retention. Biomed Tech (Berl). 2017;62:289-94.
• Hersche S, Sifakakis I, Zinelis S, Eliades T.Elemental, microstructural, and mechanical characterization of high gold orthodontic brackets after intraoral aging. Biomed Tech (Berl). 2017;62:97-102.
• Kloukos D, Sifakakis I, Voutsa D, Doulis I, Eliades G, Katsaros C, Eliades T. BPA qualtitative and quantitative assessment associated with orthodontic bonding in vivo. Dent Mater. 2015;31:887-94.
• Zinelis S, Sifakakis I, Katsaros C, Eliades T. Microstructural and mechanical characterization of contemporary lingual orthodontic brackets. Eur J Orthod. 2014;36:389-93.
• Sifakakis I, Pandis N, Makou M, Eliades T, Katsaros C, Bourauel C.Torque efficiency of different archwires in 0.018- and 0.022-inch conventional brackets. Angle Orthod. 2014 Jan;84(1):149-54. 
• Danz JC, Greuter C, Sifakakis L, Fayed M, Pandis N, Katsaros C. Stability and relapse after orthodontic treatment of deep bite cases--a long-term follow-up study. Eur J Orthod. 2014;36:522-30.
• Sifakakis I, Pandis N, Makou M, Eliades T, Katsaros C, Bourauel C. Torque expression of 0.018 and 0.022 inch conventional brackets. Eur J Orthod. 2013 Oct;35(5):610-4. 
• Sifakakis I, Pandis N, Makou M, Eliades T, Katsaros C, Bourauel C. A comparative assessment of torque generated by lingual and conventional brackets. Eur J Orthod. 2013;35:375-80. 
• Sifakakis I, Pandis N, Makou M, Katsaros C, Eliades T, Bourauel C. A comparative assessment of forces and moments generated by lingual and conventional brackets. Eur J Orthod. 2013;35:82-6. 
• Eliades T, Voutsa D, Sifakakis I, Makou M, Katsaros C. Release of bisphenol-A from a light-cured adhesive bonded to lingual fixed retainers.Am J Orthod Dentofacial Orthop. 2011;139:192-5.

Areas of scientific interest

• Biomechanics
• Orthodontic biomaterials
• Relapse
• Fixed retainers in Orthodontics

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