Academic Staff

Mattheos, Nikos

Dr Mattheos, Nikos

DDS, MASc (Perio), PhD

Title: Clinical Associate Professor in Implant Dentistry
Discipline area: Prosthodontics
Tel: 2859 0310
Research profiles: HKU Scholars Hub Scopus Biomedexperts ORCID

Areas of Research Expertise

  1. Implant dentistry
  2. Dental education
  3. Periodontology

Faculty Research Group

Selected Latest Publications


  1. ACHARYA A, Chan YK, Kheur S, Jin L, Watt RM & Mattheos N. Salivary microbiome in non-oral disease: A summary of evidence and commentary. Archives of Oral Biology 2017;83:169-173. doi:10.1007/s12272-015-0635-2
  2. ACHARYA A, Chan YK, Kheur S, Kheur M, Gopalakrishnan D, Watt RM & Mattheos N. Salivary microbiome of an urban Indian cohort and patterns linked to subclinical inflammation. Oral Diseases 2017;. doi:10.1111/odi.12676
  3. Mattheos N, Larsson C, Ma L, Fokas G, Chronopoulos V & Janda M. Micromorphological Differences Of The Implant-abutment Junction And In vitro Load Testing For Three Different Titanium Abutments On Straumann Tissue Level Implants. Clinical Oral Implants Research 2017;. doi:10.1111/clr.13021
  4. ACHARYA A, Koh ML, Kheur S, Watt RM, Jin L & Mattheos N. Salivary IL-1β and red complex bacteria as predictors of the inflammatory status in sub-peri-implant niches of subjects with peri-implant mucositis. Clinical Oral Implants Research 2016;27:662-667. doi:10.1111/clr.12713
  5. YAO J, LI DD, Yang Y, McGrath CPJ & Mattheos N. What are patients' expectations of orthodontic treatment: a systematic review.. BMC Oral Health 2016;16:19:1-8. doi:10.1186/s12903-016-0182-3
  6. Ma L, Mattheos N, Sun Y, Liu XL, Yip CY & Lang NP. Wound healing of osteotomy defects prepared with piezo or conventional surgical instruments: a pilot study in rabbits. Journal of Investigative and Clinical Dentistry 2015;6(3):211-220. doi:10.1111/jicd.12097
  7. Tang H, Mattheos N, Yao Y, Jia Y, Ma L & Gong P. In vivo osteoprotegerin gene therapy preventing bone loss induced by periodontitis. Journal of Periodontal Research. Journal of Periodontal Research 2015;50(4):434-443. doi:10.1111/jre.12224
  8. Kheur M, Harianawala HH, Sethi T, Kheur S, ACHARYA A & Mattheos N. Human cytomegalovirus-1 and Epstein-Barr virus-1 viral colonization of titanium and zirconia abutments: a split-mouth study. Journal of Investigative and Clinical Dentistry 2015;Epub ahead of print:n/a-n/a. doi:10.1111/jicd.12173
  9. Yip IHS, Ma L, Mattheos N, Dard M & Lang NP. Defect healing with various bone substitutes. Clinical Oral Implants Research 2015;26(5):606-614. doi:10.1111/clr.12395
  10. Yao J, Tang H, Gao X, McGrath CPJ & Mattheos N. Patients’ expectations from dental implants: a systematic review of the literature. Health and Quality of Life Outcomes 2014;12:153. doi:10.1186/s12955-014-0153-9

Books and Chapters

  1. janda M & Mattheos N. . In Dental Implants: a handbook for the prevention and management of complications. [SWE: Implantat att förebygga, diagnostisera och haunter komplikationer].2014,.
  2. Mattheos N. . In Building university leadership capacity in the teaching of implant dentistry to dental students and local professional communities.2014,.

Research Grants

Principal Investigator :

  1. 2014-: Investigating the impact of Passive Fitness and Misfit in the risk of technical complications with implant supported Fixed Dental Prosthesis [General Research Fund (GRF)] (HKD484,978)
  2. 2013-: Regeneration of bone defects with different biomaterials (Straumann Easy-graft™ , Geistlich Bio-Oss® ) and covered with resorbable membrane (Geistlich Bio Guide, SrHA), in a rabbit calvarial model [Seed Funding Programme for Basic Research] (HKD120,000)

Honours and Awards

  1. 1st prize in research poster competition, Bangkok International Implant Symposium, February 2015 Thailand Association of Dental Implantology - TADI. 2015. Mattheos N, Ma L, Fokas G & Schittek Janda M.
  2. 2015 André Schroeder Research Prize International Team for Implantology. 2014. Tan WC, Ong M, Han J, Mattheos N, Pjetursson BE, Tsai AY, Sanz I, Wong MCM & Lang NP.
  3. Periodontal Bone-Loss, Sinus Pathology, Ethnicity predict Posterior Maxillary Ridge Height IADR Young Investigator Implantology Research Group Award 2013 Annual General Session of International Association for Dental Research, Seattle March 2013.. 2013. Acharia A, Hao J, Chau A, Mattheos N, Shirke P & Lang NP.


  1. Guest Editor Special Issue (Supplement) in Implant Dentistry (European Journal of Dental Education) 2014
  2. Associate Editor (European Journal of Dental Education) 2012

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