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Ioannis Polyzois
Associate Professor of Periodontology, Dental Science

Publications and Further Research Outputs

Peer-Reviewed Publications

Aoife M. O'Connor, Brenda A. McManus, Peter M. Kinnevey, Gráinne I. Brennan, Tanya E. Fleming, Phillipa J. Cashin, Michael O'Sullivan, Ioannis Polyzois, and David C. Coleman. , Significant enrichment and diversity of the staphylococcal arginine catabolic mobile element ACME in Staphylococcus epidermidis isolates from subgingival peri-implantitis sites and periodontal pockets, Frontiers in Microbiology. , 9, (1558), 2018, p1 - 15 Journal Article, 2018

Renvert S, Polyzois I. , Treatment of pathologic peri-implant pockets. , Periodontology 2000, 76, (1), 2018, p180 - 190 Journal Article, 2018 DOI


Logien Al Ghazal, Jeffery O'Sullivan, Noel Claffey, Ioannis Polyzois, Comparison of two different techniques used for the maintenance of peri-implant soft tissue health: a pilot randomized clinical trial, Acta Odontologica Scandinavica, 75, (7), 2017, p542 - 549 Journal Article, 2017

Madianos PN., Papaioannou W, Herrera D, Sanz M, Baeumer A, Bogren A, Bouchard P, Chomyszyn-Gajewska M, Demirel K, Gaspersic R, Giurgiu M, Graziani F, Jepsen K, Sören J, O Brien T, Polyzois I, Preshaw PM, Mia R, Reners M, Rincic N, Stavropoulos A, Sutcu S, Verner C, Llodra JC. , "EFP Delphi study on the trends in Periodontology and Periodontics in Europe for the year 2025.", Journal of Clinical Periodontology, 43, 2016, p472 - 481 Journal Article, 2016

Renvert S, Polyzois I, Risk Indicators for peri-implant mucositis. A systematic literature Review, Journal of Clinical Periodontology, Apr;42, (Suppl 16), 2015, pS172 - 186 Journal Article, 2015

Noel Claffey, Haitham Bashara, Peter O'Reilly, Ioannis Polyzois, Evaluation of New Bone Formation and Osseointegration Around Subperiosteal Titanium Implants with Histometry and Nanoindentation , The International Journal of Oral and Maxillofacial Implants, 30, (5), 2015, p1004 - 1010 Journal Article, 2015

Jepsen S, Berglundh T, Zitzmann NU, (Marete Aas A, Demirel K, Derks J, Figuero E, Genco R, Giovannoli JL, Goldstein M, Lambert F, Ortiz-Vigon A, Polyzois I, Salvi G Schwarz F, Serino G, Tomasi C., Primary prevention of peri-implantitis: Managing peri-implant mucositis. , Journal of Clinical Periodontology, 42, ((Suppl.16)), 2015, pS153 - S158 Journal Article, 2015

Mawhinney J, Connolly E, Claffey N, Moran G, Polyzois I , An in vivo comparison of internal bacterial colonization in two dental implant systems: Identification of a pathogenic reservoir, Acta Odontologica Scandinavica , Apr;73, (3), 2015, p188 - 194 Journal Article, 2015

Renvert S & Polyzois I, Clinical approaches to treat peri-implant mucositis and peri-implantitis, Periodontology 2000, 68, (1), 2015, p369 - 404 Journal Article, 2015

Rice N, Polyzois I, Ekanayake K, Omer O, Stassen LF., The management of osteoradionecrosis of the jaws- A review, Surgeon, Apr 13, (2), 2015, p101 - 109 Journal Article, 2015

History of the oral systemic relationship in, editor(s)Robert Genco, Ray Williams , Periodontal disease and Overall Health (2nd Edition), USA, Professional Audience Communications Inc, 2014, pp49 - 62, [Claffey N, Polyzois I, Williams R] Book Chapter, 2014

Biologic principles and biomechanical considerations of implants, miniplates and miniscrew implants in, editor(s)Papadopoulos MA , Skeletal Anchorage in Orthodontic Treatment of Class II Malocclusion, Edinburgh, Elsevier, Mosby, 2014, pp29 - 33, [Ioannis Polyzois, Gary Leonard and Philippos Synodinos] Book Chapter, 2014

Nolan R, Kemmoona M, Polyzois I, Claffey N., The influence of prophylactic antibiotic administration on post-operative morbidity in dental implant surgery. A prospective double blind randomized controlled clinical trial., Clinical Oral Implants Research, Feb;25, (2), 2014, p252 - 259 Journal Article, 2014

Renvert S, Polyzois I, Persson GR., Treatment modalities for peri-implant mucositis and peri-implantitis, American Journal of Dentistry, 26, (6), 2013, p313 - 318 Journal Article, 2013

Bashara H, Wohlfahrt CJ, Polyzois I, Lyngstadaas SP, Renvert S, Claffey N, The effect of permanent grafting materials on the preservation of the buccal bone plate after tooth extraction: an experimental study in the dog., Clinical Oral Implants Research, 23, (8), 2012, p911 - 917 Journal Article, 2012

Winning L, Polyzois I, Nylund K, Kelly A, Claffey N, A placebo-controlled trial to evaluate an anesthetic gel when probing in patients with advanced periodontitis., Journal of Periodontology, 83, (12), 2012, p1492-8 Journal Article, 2012

Sanz M, Chapple I, Derks J, Figuero E, Grazianni F, Heitz-Mayfield L, Herrera D, Jansaker AM, Jepsen S, Klinge B, Loos B, Mombelli A, Papapanou P, Polyzois I, Renvert S, Salvi G, Kunz P, Lundgren AK, Willi R., Clinical research on peri-implant diseases: consensus report of Working Group 4., Journal of Clinical Periodontology, Feb 39, (Suppl 12), 2012, p202 - 206 Journal Article, 2012

Renvert S, Polyzois I, Claffey N., Surgical therapy for the control of peri-implantitis, Clinical Oral Implants Research, 23, ((Suppl. 6)), 2012, p84 - 94 Journal Article, 2012

Stefan Renvert, Ioannis Polyzois, Noel Claffey, How do implant surface characteristics influence peri-implant disease?, Journal of Clinical Periodontology, 38, (s11), 2011, p214-222 Journal Article, 2011 TARA - Full Text

Ioannis Polyzois, Noel Claffey, Albhe McDonald, David Hussey, Frank Quinn, Can evaluation of a dental procedure at the outset of learning predict later performance at the preclinical level? A pilot study, European Journal of Dental Education, May, (15), 2011, p104 - 109 Journal Article, 2011

History of the oral systemic relationship in, editor(s)Ray Williams, Bob Genco , Periodontal Disease and Overall Health, US, Professional Audience Communications, 2010, [Claffey N, Polyzois I, Williams R] Book Chapter, 2010

Polyzois I, Claffey N, Mattheos N, Problem Based learning in academic health education: a systematic literature review, European Journal of Dental Education, Jan, (14), 2010, p35-44 Journal Article, 2010

Polyzois I, McLoughlin J, Kelly A, Claffey N, Clinical teaching in restorative dentistry and the variation between students' and supervisors' perceptions of its effectiveness, European Journal of Dental Education, 14, (May), 2010, p92 - 98 Journal Article, 2010

Polyzois I, Claffey N, Attstrom, Kelly A, Mattheos N, The role of the curriculum and other factors in determining the medium to long term attitude of the practicing dentist towards life long learning, European Journal of Dental Education, 14, (May), 2010, p84 - 91 Journal Article, 2010

Mohamed S, Polyzois I, Renvert S, Claffey N, Effect of surface contamination on osseointegration of dental implants surrounded by circumferential bone defects, Clinical Oral Implants Research, 21, (May), 2010, p513 - 519 Journal Article, 2010

Synodinos PN, Polyzois I., Maxillary canine - first premolar transposition in the permanent dentition. Treatment considerations and a case report., Journal of the Irish Dental Association , 56, (6), 2010, p264 - 267 Journal Article, 2010

Harrison P, Polyzois I, Houston F, Claffey N, Patient satisfaction relating to implant treatment by undergraduate and postgraduate dental students-a pilot study, European Journal of Dental Education, Aug, (13), 2009, p184 - 188 Journal Article, 2009

Leonard G, Coelho P, Polyzois I, Stassen L, Claffey N., A study of the bone healing kinetics of plateau versus screw root design titanium dental implants, Clinical Oral Implants Research, 20, (3), 2009, p232 - 239 Journal Article, 2009

Abdulhadi W, Polyzois I, Lee C, Claffey N, Generation of microdamage around endosseous implants, Clinical Oral Implants Research, Dec20, ( 12), 2009, p1300-1306 Journal Article, 2009

Renvert S, Polyzois I, Maguire R, Re-osseointegration on previously contaminated surfaces: a systematic review, Clinical Oral Implants Research, Sept, (20 Suppl. 4), 2009, p216-227 Journal Article, 2009

Synodinos PN, Polyzois I, Oral Health and orthodontic considerations in children with juvenile idiopathic arthritis: review of the literature and report of a case , Journal of the Irish Dental Association, 54, (1), 2008, p29-36 Journal Article, 2008

Claffey N, Clarke E, Polyzois I, Renvert S, Surgical treatment of Peri-implantitis, Journal of Clinical Periodontology, 35, (8 suppl), 2008, p316-332 Journal Article, 2008

Synodinos PN, Polyzois I, Vlastarakos S, Vlahos B, Papagrigorakis M., Crowding of teeth as a contributing factor in the etiology of periodontal disease., Odontostomatological Progress, 62, (3), 2008, p379 - 387 Journal Article, 2008

Alhag M, Renvert S, Polyzois I, Claffey N, Re-Osseointegration on rough implant surfaces previously coated with bacterial biofilm: an experimental study in dog., Clinical Oral Implants Research, 19, (2), 2008, p182-187 Journal Article, 2008

Abushahba F, Renvert S, Polyzois I, Claffey N, Effect of grafting materials on osseointegration of dental implants surrounded by circumferential bone defects. An experimental study in the dog, Clinical Oral Implants Research, 19, (4), 2008, p329-334 Journal Article, 2008

Non-Surgical Therapy in, editor(s)Jan Lindhe, Niklaus P. Lang, Thorkild Karring , Clinical Periodontology and Implant Dentistry, UK, Blackwell Munksgaard, 2008, pp766-776 , [Noel Claffey, Ioannis Polyzois] Book Chapter, 2008

Synodinos PN, Polyzois IN, Vougiouka O, Current concepts on dental health and Orthodontic treatment of patients with juvenile idiopathic (rheumatoid) arthritis, Hellenic Dental Journal, 17, 2007, p27 - 38 Journal Article, 2007

Polyzois I, Renvert S, Bosshardt DD, Lang NP, Claffey N , Effect of Bio-Oss on osseointegration of dental implants surrounded by circumferential bone defects of different dimensions: an experimental study in the dog, Clinical Oral Implants Research, 18, (3), 2007, p304-310 Journal Article, 2007

Synodinos PN, Vlachou B, Kamperos G, Polyzois I, Damanakis G, Bitsanis H, Risk factors for ectopic eruption and impaction of maxillary canines. Review of the literature and report of two cases, Hellenic stomatological review, 51, 2007, p375-389 Journal Article, 2007

Synodinos PN, Polyzois I, Antoniou E, Alexopoulos A, Papagrigorakis M, The significance of third molar eruption in the etiology of late mandibular crowding, Odontostomatological Progress, 60, (3), 2006, p388-400 Journal Article, 2006

Claffey N, Polyzois I, Ziaka P, An overview of nonsurgical and surgical therapy, Periodontology 2000, 36, 2004, p35-44 Journal Article, 2004

Non-Peer-Reviewed Publications

Ioannis Polyzois, Implants in the aesthetic zone, Postgraduate dental education programme, Royal College of Surgeons in Ireland (RCSI), 24th of March, 2018 Invited Talk, 2018

Ioannis Polyzois, Importance of keratinized tissues around implants: can they help in the prevention of peri-implant diseases? , CED-IADR/NOF Oral Health Research Congress, Vienna, Austria , Sep 21-23, 2017, 2017, IADR Invited Talk, 2017

Ioannis Polyzois, Regeneration of peri-implantitis defects-is it possible?, 2nd EFP Perio Master Clinic focused on Peri-implantitis. , Valletta, Malta, March 3-4. 2017, 2017, EFP Invited Talk, 2017

Ioannis Polyzois, Prevention and treatment approaches to periimplant mucositis. Design of clinical trials., Pan European IADR meeting , Helsinki, Finland, 13-15 September 2012, 2012, IADR Invited Talk, 2012

Ioannis Polyzois, Introduction to dental Implants, CDE Course UCC, Cork, Rep of Ireland, 24th of April 2012, 2012, UCC Invited Talk, 2012

Ioannis Polyzois, An Investigation of the influencing factors on life long learning attitudes, General Session of the International Association of Dental Research (IADR) , Miami FL, USA, 1-4 April 2009, 2009 Oral Presentation, 2009

Research Expertise


Dental education; DENTAL IMPLANTOLOGY; Oral and Maxillofacial surgery; Oral clinical research; Oral microbiology; Peri-implantitis; PERIODONTITIS



Journal of the Irish Dental Association: Editorial board 2007-2017

Journal of Disability and Oral Health: Reviewer

Reviewer (ad hoc) in scientific journals:Journal of Clinical Periodontology, Journal of Periodontology, Cochrane Collaboration, International Journal of Experimental Pathology, Acta Odontologica Scandinavica, Journal of Dental Research, Journal of Dentistry, Quintessence International, Clinical Oral Implants Research, Journal of Biomedical Materials Research : Part B-Applied Biomaterials. European Journal of Dental Education. International Journal of Dental Hygiene. Clinical Implant Dentistry and Related Research. Journal of the Irish Dental Association

Awards and Honours

Best published article in Hellenic Dental Journal for 2007.Synodinos PN, Polyzois IN, Vougiouka O, Current concepts on dental health and Orthodontic treatment of patients with juvenile idiopathic (rheumatoid) arthritis, Hellenic Dental Journal, 17, 2007, p27 - 38, Dec 2007


Member of the Irish Society of Periodontology (ISP) 2003 – present

Member of the Association of Dental Education in Europe (ADEE) 2005 – 2011

Member of the European Federation of Periodontology (EFP) 2005 – present

Member of the International Association for Dental Research (IADR) 2005 – present

Hellenic Society of Periodontology 2004 – 2007