Academic Staff

Cheung, Gary Shun Pan

Professor Cheung, Gary Shun Pan

BDS, MDS (HK), MSc (Lond), PhD (HK), FRACDS, FAMS, FICD, FDSRCSEd, MRACDS (Endo) , FHKAM (Dental Surgery), FCDSHK (Endo)

Title: Clinical Professor in Endodontics
Discipline area: Endodontology
Tel: 2859 0359
Research profiles: HKU Scholars Hub Scopus Biomedexperts Researcher ID

Areas of Research Expertise

  1. Root canal instruments and materials science
  2. Survival analysis of endodontic therapies
  3. Bonding in root canal-treated teeth
  4. Endodontic materials and applications
  5. Regenerative endodontics

Faculty Research Group

Selected Latest Publications


  1. Min Y, Ma JZ, Shen Y, Cheung GSP & Gao Y. A micro-computed tomography study of the negotiation and anatomical feature in apical root canal of mandibular molars. Scanning 2016;9999:1-6. doi:10.1002/sca.21331
  2. Heng BCA, Ye X, LIU Y, Dissanayaka WL, Cheung GSP & Zhang C. Effects of Recombinant Overexpression of Bcl2 on the Proliferation, Apoptosis, and Osteogenic/Odontogenic Differentiation Potential of Dental Pulp Stem Cells. Journal of Endodontics 2016;42:575-583. doi:10.1016/j.joen.2016.01.013
  3. She CML, Cheung GSP & Zhang C. Long-Term Follow-Up of a Revascularized Immature Necrotic Tooth Evaluated by CBCT. Case Reports in Dentistry 2016;2016:1-5. doi:10.1155/2016/4982458
  4. Liu L, Shu S, Cheung GSP & Wei X. Effect of miR-146a/bFGF/PEG-PEI Nanoparticles on Inflammation Response and Tissue Regeneration of Human Dental Pulp Cells. BioMed Research International 2016;2016:1-12. doi:10.1155/2016/3892685
  5. Chan ELK, Zhang C & Cheung GSP. Cytotoxicity of a novel nano-silver particle endodontic irrigant. Clinical, Cosmetic and Investigational Dentistry 2015;7:65-74. doi:10.2147/CCIDE.S68874
  6. Siew KL, Lee AHC & Cheung GSP. Treatment Outcome of Repaired Root Perforation: A Systematic Review and Meta-analysis. Journal of Endodontics 2015;41(11):1795-1804. doi:10.1016/j.joen.2015.07.007
  7. WANG S, Deng Z, Seneviratne CJ, Cheung GSP, Jin L, Zhao B & Zhang C. Enterococcus faecalis promotes osteoclastogenesis and semaphorin 4D expression. Innate Immunity 2015;21:726-735. doi:10.1177/1753425915593162
  8. Gao SQ, Tsoi KH, Cheung GSP & Matinlinna JP. An in vitro Evaluation on a Novel Root Canal Cleansing Method by Using Nylon Fibers. Fibers 2015;3:197-205. doi:10.3390/fib3030197
  9. WANG S, LIU K, SENEVIRATNE JS, Li XC, Cheung GSP, Jin L, Chu CH & Zhang C. Lipoteichoic acid from an Enterococcus faecalis clinical strain promotes TNF-α expression through the NF-κB and p38 MAPK signaling pathways in differentiated THP-1 macrophages. Biomedical Reports 2015;3:697-702. doi:10.3892/br.2015.495
  10. Yang Q, Cheung GSP, Shen Y, Huang D, Zhou X & Gao Y. The remaining dentin thickness investigation of the attempt to remove broken instrument from mesiobuccal canals of maxillary first molars with virtual simulation technique. BMC Oral Health 2015;15:1-8. doi:10.1186/s12903-015-0075-x

Books and Chapters

  1. Dorn SO & Cheung GSP. Management of Endodontic Emergencies. In Cohen's Pathways of the Pulp.Eleventh Edition2015,pp.706-721.
  2. Cheung GSP. . In Journal editor of Endodontic Practice Today.2010,.
  3. Cheung GSP. Dental Tribune International. In Journal editor of Roots: the International Magazine of Endodontics.2010,.
  4. Cheung GSP. . In Journal editor of Hong Kong Dental Journal.2010,.
  5. Cheung GSP. Surgical Endodontics. In Endodontology.2008,pp.247-256.
  6. Cheung GSP. Post-endodontic restorations. In Endodontology.2008,pp.300-309.
  7. Cheung GSP. PhD Thesis: Low-cycle fatigue of nickel-titanium rotary root-canal instruments. In .2006,.
  8. Wei X & Cheung GSP. (Application of the operating microscope in clinical endodontics). In (Modern Root Canal Therapy; Chapter 18).2006,pp.179-215.
  9. Cheung GSP. Rationale for using NiTi instruments by hand. Chapter 4.. In Contemporary Endodontics.2004,pp.10-13.
  10. Cheung GSP. Guidelines for Accreditation and Training in Endodontics. In The College of Dental Surgeons of Hong Kong.1999,pp.26.

Research Grants

Principal Investigator :

  1. 2011-: Stem cells in human dental pulp with irreversible pulpitis and their potential for tissue regeneration [Small Project Funding] (HKD47,576)
  2. 2010-2012: Development of a novel root canal post system [Small Project Funding] (HKD79,910)
  3. 2008-2010: Retention and leakage pattern of dentine-bonded root canal posts [Small Project Funding] (HKD37,126)
  4. 2007-2009: Fracture of endodontic instruments [Seed Funding Programme for Basic Research] (HKD70,000)
  5. 2002-2005: A diagnostic model for C-configuration in mandibular molars [Small Project Funding] (HKD74,300)
  6. 1997-2002: Determination of success rate of pulp resinfying therapy carried out in the People's Republic of China [University Research Committee / Committee on Research and Conference Grants - General Award] (HKD50,000)
  7. 1995-1999: A confocal microscopic investigation on the cutting mechanism involved in root canal preparation [University Research Committee / Committee on Research and Conference Grants - General Award] (HKD65,000)
  8. 1992-1996: The effect of instrument design on the shaping efficiency of ultrasonically powered endodontic files [University Research Committee / Committee on Research and Conference Grants - General Award] (HKD32,700)
  9. 1990-1996: Evaluation of marginal seal of dentine bonded composite resin restorations [University Research Committee / Committee on Research and Conference Grants - General Award] (HKD83,000)

Co-Investigator :

  1. 2013-: Engineering human dental pulp tissues using prevascularized microtissue spheroids constructed by dental pulp stem cells and gene-modified endothelial cells [General Research Fund (GRF)] (HKD1,128,000) (with ZHANG Chengfei et al)
  2. 2013-: Bcl-2 and cMyc gene-transfected dental pulp stem cells outcompete bone marrow-derived cells in dental pulp regeneration [National Natural Science Foundation of China (NSFC) - General Program] (HKD879,200) (with ZHANG Chengfei et al)
  3. 2011-: Diagnostic and prognostic markers related to pathogenic bacteria in endodontic lesions of failed cases [Small Project Funding] (HKD57,320) (with Jeffrey W W Chang et al)
  4. 2011-2012: Evaluation of glass polyalkenoate cements when bonded to various tooth substrates [Seed Funding Programme for Basic Research] (HKD80,000) (with BURROW, M.F. et al)
  5. 2011-2012: Synergistic effects of endothelial progenitor cells and apical papilla stem cells on dental pulp regeneration [General Research Fund (GRF)] (HKD493,000) (with ZHANG Chengfei et al)
  6. 2009-2011: Dentin-pulp complex and periodontal tissues regeneration in root canal perforation by the stem cells from the apical papilla and periodontal ligament. [Seed Funding Programme for Basic Research] (HKD120,000) (with ZHANG Chengfei et al)
  7. 2009-2011: Efficacy of root canal irrigation for debris and tissue removal [Seed Funding Programme for Basic Research] (HKD120,000) (with Jeffrey W W Chang et al)
  8. 2000-: A study to investigate the attitude and effect of magnification on the clinical performance by dental undergraduates in the University of Hong Kong [Low Budget High Impact Programme] (HKD40,000) (with et al)
  9. 1995-1999: A longitudinal microbiological study on osseointegrated titanium implants in partially dentate patients from a Southern Chinese population [University Research Committee / Committee on Research and Conference Grants - General Award] (HKD155,000) (with et al)
  10. 1994-1997: A 3-year longitudinal clinical study of osseointegrated implants (Cresco Ti Concept) in the treatment of partially dentate patients. [Leung Kau Kui Research and Teaching Endowment Fund - Research Grants] (HKD59,000) (with et al)

Honours and Awards

  1. Best Oral Presentation 2012 Commonwealth Dental Association / Malaysian Dental Association Joint International Scientific Convention. 2012. Soo I, Chang JWW & Cheung GSP.
  2. Best Original Article Award 2011. The effect of cyclic loading on fiber-reinforced resin post retention: push-out bond strength (Hong Kong Dent J 2010, 7: 74-81 Hong Kong Dental Journal Editorial Board. 2012. Cheung GSP & Mahindre PP.
  3. Survival analysis of first-time non-surgical root canal treatment completed 10-20 years before in a dental teaching hospital META prize for the best poster, Joint APEC and Korean Academy of Endodontics scientific meeting. 2002. Cheung GSP.
  4. Honorary Life Member Indian Endodontic Society. 1998. Cheung GSP.


  1. Member of Editorial Board of The Journal of Korean Academy of Conservative Dentistry, September 16, 2011 (The Korean Academy of Conservative Dentistry) 2011
  2. Dental Tribune International (Journal editor of Roots: the International Magazine of Endodontics) 2010
  3. (Journal editor of Hong Kong Dental Journal) 2010
  4. (Journal editor of International Endodontic Journal) 2010
  5. (Journal editor of Endodontic Practice Today) 2010
  6. (International Endodontic Journal) 2008
  7. (Hong Kong Dental Journal) 2007
  8. (Roots: the international magazine of Endodontics) 2007
  9. (Editorial Board of ENDO - Endodontic Practice Today) 2007
  10. (Hong Kong Dental Journal) 2006

Additional Academic Appointments

  1. Visiting Associate Professor of Guanghua College of Stomatology at Sun Yat-sen University (2007-2009). 2008
  2. Visiting Associate Professor of Guanghua College of Stomatology at Sun Yat-sen University (2007-2009). 2007
  3. Guest Professor (since 2000). Stomatology College and Hospital, Wuhan University, Wuhan, China 2003
  4. Honorary Visiting Associate Professor (since 2002). West China College of Medical Science, Chengdu, China 2003

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