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Polyzois Grigoris

Professor, Head of the Dept. of Prosthodontics


Phone: (+30) 210-746-1129
Email: grepolyz[at]dent.uoa[dot]gr

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

Ελληνική Έκδοση English Version

Education / Qualifications

  • 1977- DDS (Doctor Dental Surgery), Dental School, National & Kapodistrian University of Athens, Greece
  • 1983- Doctorate ( Dr.Dent), National & Kapodistrian University of Athens, Greece
  • 1987- MScD University of Wales, College of Medicine, UK ( Studies related to Maxillofacial Prosthetics)

Academic and professional positions held

  • 1979- Clinical Associate (unsalaried) – Removable Prosthodontics
  • 1980- Clinical Associate (salaried) – Removable Prosthodontics
  • 1984- Lecturer- Removable Prosthodontics  
  • 1991- Visiting Researcher- ΝΙΟΜ- Scandinavian Institute of Dental Materials, Haslum, Norway
  • 1988- Assistant Professor - Removable Prosthodontics
  • 1988- Head Maxillofacial Prosthetics Unit
  • 1998- Associate Professor - Removable Prosthodontics
  • 2014- Professor - Removable Prosthodontics-Maxillofacial Prosthetics
  • 2015- Head Department of Prosthodontics
  • 2015- Director Graduate Prosthodontics Program

Awards and Honours

  • Scholar Ministry of Education (Scientific exchanges between countries)
  • England (1988), Holland (1990), Finland (1993), Norway (1997), Finland (2001)
  • British Council Travel Award 1997
  • Quinttessence Poster Prize, 27th Annual Conference of EPA, September 2003, Geneva

Research Theses – Books

  • 2000-Demetriou P, Zissis A, Polyzois GL, Stavrakis G. «Removable Prosthodontics - Partial Dentures» 2nd edition Bonisel Publications, Athens (p.p. 245)
  • 2001-Demetriou P, Zissis A, Karkazis H, Polyzois GL, Stavrakis G.«Removable Prosthodontics - Complete Dentures» 4th edition, Bonisel Publications, Athens (p.p. 407)
  • 2002 - Karkazis H, Polyzois GL, «Introduction to Gerodontics and Maxillofacial Prosthetics» 2nd edition, Bonisel Publications,
  • Athens (p.p.292)
  • 1983-«Contribution to the study of the average molecular weight of heat curing acrylic resins» , Doctoral Thesis, University of Athens.
  • 1987-«A study of the effect of crosslinking of the hydroxyl terminated polydimethyl siloxane»
  • M.Sc.D Thesis, University of Wales.
  • 1992- «In vitro biocompatibility of RTV silicones used in maxillofacial prosthetics. A cell culture study»

Selected publications in scientific journals

  • Polyzois G, Lagouvardos P, Omar R, Brunton P. Attitudes of dentists toward denture adhesives: A questionnaire survey in Greece, J Prosthetic Dentistry, 118:643-649, 2017
  • Artopoulou I, Karademas E, Papadogeorgakis N, Papathanasiou I, Polyzois G. Effects of sociodemographic, treatment variables, and medical characteristics on quality of life of patients with maxillectomy restored with obturator prostheses. J Prosthetic Dentistry, 118:783-789, 2017
  • Yoshida K, Polyzois GL, Frangou MJ, Murata H. Evaluation of the frequency and temperature dependence of the dynamic mechanical properties of acetal resins. Dental Materials J, 37:146-151, 2018
  • Zoidis P, Polychronakis N, Lagouvardos P, Polyzois G, Ngo HC. Evaluation of a realistic cleansing protocol for preventing discoloration of denture resins. J Prosthodontics, 2018 Feb 22. doi: 10.1111/jopr.12763.
  • Lyons K, Egan J, Polyzois G, Lagouvardos P, Kranjcic J,Vojvodic D. Flexible removable partial denture prostheses in New Zealand dental practice, New Zealand Dent J, 114:79-84, 2018.
  • Polychronakis N, Polyzois G , Lagouvardos P , Andreopoulos A ,Ngo H. Long–term microwaving of denture base materials: Effects on dimensional, color and translucency stability. J Appl Oral Sci, 26:e 20170536, 2018

Areas of scientific interest

  • Polymeric materials used in Removable and Maxillofacial Prosthetics e.g denture base materials, soft liners, facial prosthetic elastomers.
  • Denture cleansing and disinfection solutions, denture adhesives
  • Clinical studies and surveys related to Removable Prosthodontics

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