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Dr. Ioannis Polyzois
Associate Professor of Periodontology, Dental Science

Publications and Further Research Outputs

Peer-Reviewed Publications

Advan Moorthy, Suha Aljudaibi, Erica Donnelly-Swift, Ioannis Polyzois and Brendan Grufferty,, An in vitro evaluation of 2 methods for retrieving fractured abutment screw fragments from the intaglio of 4 different implant systems, Journal of Prosthetic Dentistry, 131, (2), 2024, p282 - 290 Journal Article, 2024 DOI

Harrison, P., Madeley, E., Nolan, M., Renvert, S., & Polyzois, I. , A longitudinal analysis of the impact of nonsurgical and surgical treatment of peri-implantitis upon clinical parameters and implant stability quotient values. A 2-3-year follow-up, Clinical and Experimental Dental Research, 1, (10), 2024, pe833- Journal Article, 2024 DOI

Ian Raynolds, Lewis Winning, Ioannis Polyzois, A three-year prospective cohort study evaluating implant stability utilising the Osstell® Mentor and Periotest® devices, Frontiers in Dental Medicine , 2023, p1 - 8 Journal Article, 2023 DOI

de Waal YCM, Winning L, Stavropoulos A, Polyzois I., Efficacy of chemical approaches for implant surface decontamination in conjunction with sub-marginal instrumentation, in the non-surgical treatment of peri-implantitis. A systematic review, Journal of Clinical Periodontology, 50, ((Suppl.26)), 2023, p212 - 223 Journal Article, 2023 DOI


Tord Berglundh, Iain Chapple, David Herrera, Søren Jepsen, Moritz Kebschull,,Panos Papapanou, Mariano Sanz, Frank Schwarz, Anton Sculean, Maurizio Tonetti, Ina Kopp, Mario Aimetti, Juan Blanco, Nagihan Bostanci, Philippe Bouchard, Nurcan Buduneli, Elena Calciolari, María Clotilde Carra, Raluca Cosgarea, Jan Cosyn, Bettina Dannewitz, Beatriz de Tapia, Yvonne de Waal, Jan Derks, Henrik Dommisch, Nikos Donos, Peter Eickholz, Bahar Eren Kuru, Elena Figuero, Moshe Goldstein, Filippo Graziani, Jasmin Grischke,, Fernando Guerra, Lisa Heitz-Mayfield, Karin Jepsen, Odd Carsten Koldsland, France Lambert, Antonio Liñares, Bruno Loos, Phoebus Madianos, Paula Matesanz, Ana Molina, Virginie Monnet Corti, Eduardo Montero, Frauke Müller, Luigi Nibali, Andrés Pascual, Ioannis Polyzois, Marc Quirynen, Ausra Ramanauskaite, Stefan Renvert, Mario Roccuzzo, Philipp Sahrmann, Giovanni Salvi, Nerea Sánchez,, Ignacio Sanz, Lior Shapira, Andreas Stavropoulos, Meike Stiesch, Wim Teughels, Cristiano Tomasi, Leonardo Trombelli, Anders Verket Asaf Wilensky, Prevention and treatment of peri-implant diseases-The EFP S3 level clinical practice guideline, Journal of Clinical Periodontology, 50, ((Suppl.26)), 2023, p4 - 76 Journal Article, 2023 DOI

Naughton D, Donnelly-Swift E & Polyzois I, An in vitro study evaluating the efficacy of a novel mount with torque control designed to tighten Osstell transducers., Clinical and Experimental Dental Research, 2023, p1 - 7 Journal Article, 2023 DOI

E Duffy, M VanHarten, E Swift-Donnelly, P Wilson, C Gillen, D Coleman, I Polyzois, B Daly, L Grealy, ML Healy, B McManus, Assessing oral health and awareness among persons with diabetes mellitus, IRISH JOURNAL OF MEDICAL SCIENCE, 191, (SUPPL 4), 2022, p122 - 122 Journal Article, 2022

Andreas Stavropoulos, Kristina Bertl, Lewis Winning, Ioannis Polyzois, What is the influence of implant surface characteristics and/or implant material on the incidence and progression of peri-implantitis? A systematic literature review. , Clinical Oral Implants Research., 32, (Suppl 21), 2021, p203 - 229 Journal Article, 2021 DOI

El Azrak M, Polyzois I, Prescription of antibiotics for the prevention of failures and postoperative infections in oral implantology: a literature review, Journal of the Irish Dental Association , 67, (4), 2021, p207 - 211 Journal Article, 2021

Brenda McManus, Blánaid Daly, Ioannis Polyzois; Pauline Wilson; Gráinne I Brennan; Tanya E Fleming; Liam D Grealy; Marie Louise Healy; David C Coleman., Comparative Microbiological and Whole-genome Analysis of Staphylococcus aureus Populations in the Oro-nasal Cavities, Skin and Diabetic Foot Ulcers of Patients with Type II Diabetes Reveals a Possible Oro-nasal Reservoir for Ulcer Infection. , Frontiers in Microbiology, 30, (11 (April)), 2020, p748 - 757 Journal Article, 2020 DOI

Gkikas G, McLouglin M, Renvert S, Polyzois I. , The effect of L-PRF and permanent grafting materials on the preservation of the buccal bone plate following immediate implant placement., International Journal of Periodontics and Restorative Dentistry, 40, (5), 2020, p767 - 774 Journal Article, 2020 DOI

Winning L, Polyzois I, Berglund JS, Renvert S., Periodontitis and air flow limitation in older Swedish individuals., Journal of Clinical Periodontology, 47, (6), 2020, p715 - 725 Journal Article, 2020 DOI

Sanz M, Herrera D, Kebschull M, Chapple I, Jepsen S, Beglundh T, Sculean A, Tonetti MS; Lang N Lambert F; Merete Aass A, Aimetti M, Eren Kuru B, Belibasakis G, Blanco J, Bol-van den Hil E, Bostanci N, Bozic D, Bouchard P, Buduneli N, Cairo F, Calciolari E, Clotilde Carra M, Cortellini P, Cosyn J, D'Aiuto F, Dannewitz B, Danser M, Demirel K, Derks J, de Sanctis M, Dietrich T, Dörfer C, Dommisch H, Donos N, Eaton K, Eickholz P, Figuero E, Giannobile W, Goldstein M, Graziani F, Kamposiora P, Kirkevang LL, Kocher T, Kononen E, Landi L, Melo P, Loos B, Lopez R, Lundberg P, Machtei E, Madianos P, Martín C, Matesanz P, Meyle J, Molina A, Montero E, Nart J, Needleman I, Nibali L, Papapanou P, Pilloni A, Polak D, Polyzois I, Preshaw P, Quirynen M, Ramseier C, Renvert S, Salvi G, Sanz-Sánchez I, Shapira L, Else Slot D, Stavropoulos A, Struillou X, Suvan J, Teughels W, Timus D, Tomasi C, Trombelli L, van der Weijden F, Vassallo P, Walter C, West N, Wimmer G., . Treatment of Stage I-III Periodontitis -The EFP S3 Level Clinical Practice Guideline., Journal of Clinical Periodontology, 47, (Suppl 22), 2020, p4 - 60 Journal Article, 2020 DOI

Martin BA, Polyzois I, Synodinos PN, Case Report: Management of an impacted second premolar, Journal of the Irish Dental Association, 65, (2), 2019, p95 - 98 Journal Article, 2019

Renvert, Stefan, Hirooka, Hideaki, Polyzois, Ioannis, Kelekis-Cholakis Anastasia, Wang, Hom-Lay, Diagnosis and non-surgical treatment of peri-implant diseases and maintenance care of patients with dental implants., International Dental Journal, 69, 2019, p12 - 17 Journal Article, 2019 DOI

Ioannis Polyzois, Treatment planning for periimplant mucositis and periimplantitis, Implant Dentistry, 28, (April 2), 2019, p150 - 154 Journal Article, 2019 DOI

Alotaibi M, Moran G, Grufferty B, Renvert S, Polyzois I , The effect of a decontamination protocol on contaminated titanium dental implant surfaces with different surface topography in edentulous patients, Acta Odontologica Scandinavica, 77, (1), 2019, p66 - 75 Journal Article, 2019 DOI

Le Roch S, Rouche F, Valet F, Bouchard P,Abrahamsson I, Artzi Z, Asbi T, Balta MG, Bizzarro S, Buti J, Chaushu L, Danser M, De Carvalho B, Garabetyan J, Goldstein M, Gursoy H, Harmouche L, Harrison P, Herrera D, Horwitz J, Huck O, Imber JC, Karlsson K, Kerner S, Kozlovsky A, Kuru B, Lecloux G, Lambert F, Lim J, Madeley E, Mayer Y, Molemans B, Mora F, Noguerol F, Nuzzo G, Petit C, Polyzois I, Rabah K, Rotundo R, Salvi GE, Sanz-Sánchez I, Sculean A, Shapira L, Temmerman A, Teughels W, Yarimoglu E., European Survey on Criteria of Aesthetics for Periodontal Evaluation: the ESCAPE study., Journal of Clinical Periodontology, 46, ( (11)Nov), 2019, p1116-1123 Journal Article, 2019 DOI

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

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

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

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

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

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

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

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

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

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

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

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

Sanz M, Chapple IL, Jan Derks, E Figuero, Filippo Grazianni, Lisa Heitz-Mayfield, David Herrera, Ann-Marie Jansaker, Sören Jepsen, Bjorn Klinge, Bruno Loos, Andrea Mombelli, Panos Papapanou, Ioannis Polyzois, Stefan Renvert, Giovanni Salvi, Pascal Kunz, Anna-Karin Lundgren, Rene Willi, Working Group 4 of the VIII European Workshop on Periodontology. 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

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

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

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

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

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

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

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

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, 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

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

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

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

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

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

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

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

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

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, 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

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, Clinical Strategies for the management of peri-implantitis, 14th International Symposium of Periodontology, Athens, Greece, 24-26, 2023 Invited Talk, 2023

Ioannis Polyzois, Implants in the aesthetic zone , Postgraduate dental education, University of Malmo, Sweden, 21st November, 2018 Invited Talk, 2018

Ioannis Polyzois, Implants in the aesthetic zone, Lecture series. IDA, Dublin, Ireland, 18th of October, 2018, Irish Dental Association, Metropolitan Branch Invited Talk, 2018

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, DDUH Perio-program 2007-2017: A journey of discovery!, EFP Postgraduate Symposium 2017, The Slieve Russell Hotel, Ireland, 7-9 September, 2017, European Federation of Periodontology Invited Talk, 2017

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. Scientific Reports. Clinical and Experimental Dental Research

Associate Editor: Clinical and Experimental Dental Research 2020

Reviewer: Periodontology 2000 July 2022

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

Attica Dental Society 2004 – 2019

Member of the Royal Academy of Medicine in Ireland 2020 – 2021