Faculty Staff
Professor Cheung, Gary Shun Pan

BDS, MDS (HK); MSc (Lond); PhD (HK); FDS RCS(Edin); FICD; FAMS; FHKAM(Dental Surgery); FCDSHK(Endodontics); FRACDS; MRACDS (Endodontics)





General Information
Title

Clinical Professor in Endodontics


Division

Restorative Dental Sciences


E-mail

spcheung@hku.hk
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Phone Number

2859 0313


Research profile

HKU Scholars Hub
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Scopus
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Biomedexperts
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--> Researcher ID
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ORCID
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ResearchGate
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Research Theme

Craniofacial Regeneration



Areas of Research Expertise

Root canal instruments and materials science
Survival analysis of endodontic therapies
Bonding in root canal-treated teeth
Endodontic materials and applications
Regenerative endodontics




Category
Publications Honours and Awards Editorships Knowledge Exchange Professional Societies Grants Invited Lectures and Keynote Speeches Community Services HKU Committee Appointments


Advanced Sorting
Publications
Article
Lam MSH, Chang JWW, Cheung GSP. Ex vivo shaping ability of reciprocating instruments operated by new users: Reciproc versus WaveOne, Clinical Oral Investigations 2021; 25(5): 2791-2799 doi:10.1007/s00784-020-03593-x
Cheung AWT, Lee AHC, Cheung GSP. Clinical efficacy of activated irrigation in endodontics: a focused review, Restorative Dentistry & Endodontics 2021; 46(1): article no. e10-article no. e10 doi:10.5395/rde.2021.46.e10
Ozlek E, Neelakantan P, Khan K, Cheung GSP, Rossi-Fedele G. Debris extrusion during root canal preparation with nickel‐titanium instruments using liquid and gel formulations of sodium hypochlorite in vitro, Australian Endodontic Journal 2020; doi:10.1111/aej.12424
Li X, Tsui KH, Tsoi JKH, Green DW, Jin XZ, Deng YQ, Zhu YM, Li XG, Fan Z, Cheung GSP. A nanostructured anti-biofilm surface widens the efficacy against spindle-shaped and chain-forming rod-like bacteria, Nanoscale 2020; 12(36): 18864-18874 doi:10.1039/D0NR03809A
Tse MCC, Cheung GSP. Spatial Cleaning Action of Ultrasonic Irrigation on Enterococcus faecalis Biofilm, Dentistry Journal 2020; 8(2): article no. 42-article no. 42 doi:10.3390/dj**
Wang S, Heng BCA, Qiu S, Deng J, Cheung GSP, Jin L, Zhao B, Zhang C. Lipoteichoic acid of Enterococcus faecalis inhibits osteoclastogenesis via transcription factor RBP-J, Innate Immunity 2019; 25: 13-21 doi:10.1177/**12646
Kwak SW, Ha JH, Cheung GSP, Kim SK, Kim HC. Comparison of In?Vitro Torque Generation during Instrumentation with Adaptive Versus Continuous Movement, Journal of Endodontics 2019; 45(6): 803-807 doi:10.1016/j.joen.2019.02.010
Neelakantan P, Ounsi HF, Devaraj S, Cheung GSP, Grandini S. Effectiveness of irrigation strategies on the removal of the smear layer from root canal dentin, Odontology 2019; 107(2): 142-149 doi:10.1007/s10266-018-0373-2
Watson GS, Green DW, Watson JA, Zhou Z, Li X, Cheung GSP, Gellender M. A Simple Model for Binding and Rupture of Bacterial Cells on Nanopillar Surfaces, Advanced Materials Interfaces 2019; 6(10): 1801 doi:10.1002/admi.
Lee OYS, Khan K, Li KY, Shetty H, Abiad RS, Cheung GSP, Neelakantan P. Influence of apical preparation size and irrigation technique on root canal debridement: a histological analysis of round and oval root canals, International Endodontic Journal 2019; 52(9): 1366-1376 doi:10.1111/iej.13127
Neelakantan P, Ahmed HMA, Chang JWW, Nabhan MS, Wei X, Cheung GSP, Gomes BPFA. Effect of instrumentation systems on endotoxin reduction from root canal systems: A systematic review of clinical studies and meta-analysis, Australian Endodontic Journal 2019; 45(3): 407-413 doi:10.1111/aej.12333
Neelakantan P, Feroz Khan KK, Ng PH, Chui YY, Zhang C, Cheung GSP. Does the Orifice-directed Dentin Conservation Access Design Debride Pulp Chamber and Mesial Root Canal Systems of Mandibular Molars Similar to a Traditional Access Design?, Journal of Endodontics 2018; 44: 274-279 doi:10.1016/j.joen.2017.10.010
Neelakantan P, Ahmed HMA, Wong MCM, Matinlinna JP, Cheung GSP. Effect of root canal irrigation protocols on the dislocation resistance of mineral trioxide aggregate-based materials: A systematic review of laboratory studies, International Endodontic Journal 2018; 51: 847-861 doi:10.1111/iej.12898
Tsui KH, Li X, Tsoi KH, Leung SF, Lei T, Chan WY, Zhang C, Chen J, Cheung GSP, Fan Z. Low-cost, flexible, disinfectant-free and regular-array three-dimensional nanopyramid antibacterial films for clinical applications, Nanoscale 2018; 10: 10436-10442 doi:10.1039/C8NR01968A
Cen R, Wang R, Cheung GSP. Periodontal Blood Flow Protects the Alveolar Bone from Thermal Injury during Thermoplasticized Obturation: A Finite Element Analysis Study, Journal of Endodontics 2018; 44: 139-144 doi:10.1016/j.joen.2017.08.004
Kwak SW, Ha JH, Cheung GSP, Kim HC, Kim SK. Effect of the Glide Path Establishment on the Torque Generation to the Files during Instrumentation: An In?Vitro Measurement, Journal of Endodontics 2018; 44: 496-500 doi:10.1016/j.joen.2017.09.016
Neelakantan P, Romero M, Vera J, Daood U, Khan AU, Yan A, Cheung GSP. Biofilms in Endodontics—Current Status and Future Directions, International Journal of Molecular Sciences 2017; 18(8): 1748:1-21 doi:10.3390/ijms**
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: article no. **-article no. ** doi:10.1155/2016/**
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; 38(6): 819-824 doi:10.1002/sca.21331
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: article no. **-article no. ** doi:10.1155/2016/**
Heng Boon Chin, Ye Xin, Liu Yuan, Dissanayaka Waruna Lakmal, Cheung Gary Shun Pan, Zhang Chengfei. 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(4): 575-583 doi:10.1016/j.joen.2016.01.013
Kwak SW, Cheung GSP, Ha JH, Kim SK, Lee H, Kim HC. Preference of undergraduate students after first experience on nickel-titanium endodontic instruments, Restorative Dentistry & Endodontics 2016; 41: 176-181 doi:10.5395/rde.2016.41.3.176
Li X, Cheung GSP, Watson GS, Watson JA, Lin S, Schwarzkopf L, Green DW. The nanotipped hairs of gecko skin and biotemplated replicas impair and/or kill pathogenic bacteria with high efficiency, Nanoscale 2016; 8: 18860-18869 doi:10.1039/C6NR05046H
Ho ESS, Chang JWW, Cheung GSP. Quality of root canal fillings using three gutta-percha obturation techniques, Restorative Dentistry & Endodontics 2016; 41: 22-22 doi:10.5395/rde.2016.41.1.22
Chang JWW, Cheung AWT, Cheung GSP. Effect Of Root Canal Dimensions, Injection Rate, And Needle Design On The Apical Extrusion Of An Irrigant: An In Vitro Study, Journal of Investigative and Clinical Dentistry 2015; 6(3): 221-227 doi:10.1111/jicd.12092
Gao S, Tsoi JKH, Cheung GSP, Matinlinna J. An in vitro Evaluation on a Novel Root Canal Cleansing Method by Using Nylon Fibers, Fibers 2015; 3(3): 197-205 doi:10.3390/fib**
Ha JH, Kim SK, Cheung GSP, Jeong SH, Bae YC, Kim HC. Effect of alloy type on the life-time of torsion-preloaded nickel-titanium endodontic instruments, Scanning 2015; 37(3): 172-178 doi:10.1002/sca.21195
Wang S, Liu K, Seneviratne CJ, 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(5): 697-702 doi:10.3892/br.2015.495
Ha JH, Kim SR, Versluis A, Cheung GSP, Kim JW, Kim HC. Elastic Limits in Torsion of Reciprocating Nickel-Titanium Instruments, Journal of Endodontics 2015; 41(5): 715-719 doi:10.1016/j.joen.2014.12.027
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/**93162
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
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
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: article no. 87-article no. 87 doi:10.1186/s12903-015-0075-x
Ha JH, Cheung GSP, Versluis A, Lee CJ, Kwak SW, Kim HC. ‘Screw-in’ tendency of rotary nickel-titanium files due to design geometry, International Endodontic Journal 2015; 48: 666-672 doi:10.1111/iej.12363
Liu P, McGrath CPJ, Cheung GSP. What are the key endodontic factors associated with oral health-related quality of life?, International Endodontic Journal 2014; 47(3): 238-245 doi:10.1111/iej.12139
Cheung GSP. Cracked Tooth: a Syndrome or Conundrum?, The Hong Kong Medical Diary 2014; 19(6): 13-16
Liu P, McGrath CPJ, Cheung GSP. Improvement in Oral Health-related Quality of Life after Endodontic Treatment: A Prospective Longitudinal Study, Journal of Endodontics 2014; 40(6): 805-810 doi:10.1016/j.joen.2014.02.008
Wong TSD, Cheung GSP. Extension of Bactericidal Effect of Sodium Hypochlorite into Dentinal Tubules, Journal of Endodontics 2014; 40(6): 825-829 doi:10.1016/j.joen.2013.09.045
Kim JW, Ha JH, Cheung GSP, Versluis A, Kwak SW, Kim HC. Safety of the Factory Preset Rotation Angle of Reciprocating Instruments, Journal of Endodontics 2014; 40(10): 1671-1675 doi:10.1016/j.joen.2014.06.002
Cheung GSP, Lee AHC, Wong MCM. Suitability of time estimates for survival analysis of endodontic treatment, Journal of Endodontics 2013; 39: 593-596 doi:10.1016/j.joen.2012.12.005
Zhu XF, Yin XZ, Chang JWW, Wang YU, Cheung GSP, Zhang C. Comparison Of The Antibacterial Effect And Smear Layer Removal Using Photon-initiated Photoacoustic Streaming Aided Irrigation Versus A Conventional Irrigation In Single-rooted Canals: An In Vitro Study, Photomedicine And Laser Surgery 2013; 31 doi:10.1089/pho.2013.3515
Cho O-I, Versluis A, Cheung GSP, Ha J-H. Cyclic fatigue resistance tests of Nickel-Titanium rotary files using simulated canal and weight loading conditions, Restorative Dentistry & Endodontics 2013; 38(1): 31-35 doi:10.5395/rde.2013.38.1.31
Chang S-W, Oh T-S, Lee W, Cheung GSP, Kim H-C. Long-term observation of the mineral trioxide aggregate extrusion into the periapical lesion: a case series, International Journal of Oral Science 2013; 5(1): 54-57 doi:10.1038/ijos.2013.16
Cheung GSP, Wei LLW, McGrath CPJ. Agreement between periapical radiographs and cone-beam computed tomography for assessment of periapical status of root filled molar teeth, International Endodontic Journal 2013; 46: 889-895 doi:10.1111/iej.12076
Shen YA, Cheung GSP. Methods and models to study nickel-titanium instruments, Endodontic Topics 2013; 29: 18-41 doi:10.1111/etp.12046
Cheung GSP, Oh SH, Ha JH, Kim SK, Park SH, Kim HC. Effect of torsional loading of nickel-titanium instruments on cyclic fatigue resistance, Journal of Endodontics 2013; 39(12): 1593-1597 doi:10.1016/j.joen.2013.07.032
Zhu W., Zhu X., Huang G. T J, Cheung G. S P, Dissanayaka W. L., Zhang C.. Regeneration of dental pulp tissue in immature teeth with apical periodontitis using platelet-rich plasma and dental pulp cells, International Endodontic Journal 2013; 46(10): 962-970 doi:10.1111/iej.12087
Lee AHC, Cheung GSP, Wong MCM. Long-term outcome of primary non-surgical root canal treatment, Clinical Oral Investigations 2012; 1607-1617 doi:10.1007/s00784-011-0664-2
Kim HC, Kwak SW, Cheung GSP, Ko DH, Chung SM, Lee W. Cyclic fatigue and torsional resistance of two new nickel-titanium instruments used in reciprocation motion: Reciproc Versus WaveOne, Journal of Endodontics 2012; 38(4): 541-544 doi:10.1016/j.joen.2011.11.014
Aly Ahmed AHM, Cheung GSP. Accessary roots and root canals related to maxillary premolar teeth: a review of critical endodontic challenge, Endo: endodontic practice today 2012; 6(1): 7-18
Kim JY, Cheung GSP, Park SH, Ko DC, Kim JW, Kim HC. Effect from cyclic fatigue of nickel-titanium rotary files on torsional resistance, Journal of Endodontics 2012; 38(4): 527-530 doi:10.1016/j.joen.2011.12.018
Zhu X, Zhang C, Huang GT-J, Cheung GSP, Dissanayaka WL, Zhu W. Transplantation of dental pulp stem ells and platelet-rich plasma for pulp regeneration, Journal of Endodontics 2012; 38(12): 1604-1609
Liu P, McGrath CPJ, Cheung GSP. Quality of life and psychological well-being among endodontic patients - A case-control study, Australian Dental Journal 2012; 57(4): 493-497 doi:10.1111/j.1834-7819.2012.01722.x
Xu Q, Cheung GSP, Deng W-J, Ling J-Q, Li W-L. Sucrose as a stable tracer for quantifying endodontic leakage, Journal of Dental Sciences 2012; 7(3): 267-271
Cheung GSP. Dental Cracks: Endodontic and Restorative Challenge (Monthly Meeting Corner), Hong Kong Dental Association Newsletter 2012; 3 (May & Jun): 10-14
Zhu Xiaofei, Zhang Chengfei, Huang George T J, Cheung Gary S P, Dissanayaka Waruna Lakmal, Zhu Wenhao. Transplantation of dental pulp stem cells and platelet-rich plasma for pulp regeneration, Journal of Endodontics 2012; 38(12): 1604-1609 doi:10.1016/j.joen.2012.09.001
Zhang EW, Cheung GSP, Zheng YF. A mathematical model for describing the mechanical behaviour of root canal instruments, International Endodontic Journal 2011; 44(1): 72-76 doi:10.1111/j.1365-2591.2010.01801.x
Cheung GSP, Zhang EW, Zheng YF. A numerical method for predicting the bending fatigue life of NiTi and stainless steel root canal instruments, International Endodontic Journal 2011; 44(4): 357-361 doi:10.1111/j.1365-2591.2010.01838.x
Gao Y, Cheung GSP, Shen Y, Zhou X. Mechanical behavior of ProTaper Universal F2 finishing file under various curvature conditions: A finite element analysis study, Journal of Endodontics 2011; 37(10): 1446-1450 doi:10.1016/j.joen.2011.06.003
Wei WLL, Chee C, Ho A, McGrath C, Cheung GSP. Removal of retained gutta-percha points after complete replacement resorption of maxillary incisors assisted by cone-beam computed tomography, Hong Kong Dental Journal 2011; 8(2): 102-106
Yum J, Cheung GSP, Park JK, Hur B, Kim HC. Torsional strength and toughness of nickel-titanium rotary files, Journal of Endodontics 2011; 37(3): 382-386 doi:10.1016/j.joen.2010.11.028
Wang Y, Cheung GSp, Xu X, Zhao S, Zhang C. The Effect of Cultured Autologous Periodontal Ligament Cells on the Healing of Delayed Autotransplanted Dog's Teeth, Journal of Endodontics 2010; 36(2): 264-267 doi:10.1016/j.joen.2009.09.014
Cheung GSP. 根管治療失敗的根尖外科處理, Chinese Journal of Stomatological Research 2010; 4(2): 194-194
Zhang EW, Cheung GSP, Zheng YF. Influence of cross-sectional design and dimension on mechanical behavior of nickel-titanium instruments under torsion and bending: A numerical analysis, Journal of Endodontics 2010; 36(8): 1394-1398 doi:10.1016/j.joen.2010.04.017
Park SY, Cheung GSP, Yum J, Hur B, Park JK, Kim HC. Dynamic torsional resistance of nickel-titanium rotary instruments, Journal of Endodontics 2010; 36(7): 1200-1204 doi:10.1016/j.joen.2010.02.016
Cheung GSP. Reply, Journal of Endodontics 2010; 36(6): 951 doi:10.1016/j.joen.2010.03.017
Praisarnti C, Chang JWW, Cheung GSP. Electropolishing enhances the resistance of nickel-titanium rotary files to corrosion-fatigue failure in hypochlorite, Journal of Endodontics 2010; 36(8): 1354-1357 doi:10.1016/j.joen.2010.02.025
Zhu X, Wang Q, Zhang C, Cheung GSP, Shen Y. Prevalence, phenotype, and genotype of enterococcus faecalis isolated from saliva and root canals in patients with persistent apical periodontitis, Journal of Endodontics 2010; 36(12): 1950-1955 doi:10.1016/j.joen.2010.08.053
Kim HC, Yum J, Hur B, Cheung GSP. Cyclic Fatigue and Fracture Characteristics of Ground and Twisted Nickel-Titanium Rotary Files, Journal of Endodontics 2010; 36(1): 147-152 doi:10.1016/j.joen.2009.09.037
Yin X, Cheung GSP, Zhang C, Masuda YM, Kimura Y, Matsumoto K. Micro-computed Tomographic Comparison of Nickel-Titanium Rotary versus Traditional Instruments in C-Shaped Root Canal System, Journal of Endodontics 2010; 36(4): 708-712 doi:10.1016/j.joen.2010.01.003
Shen Y, Haapasalo M, Cheung GSp, Peng B. Defects in Nickel-Titanium Instruments after Clinical Use. Part 1: Relationship between Observed Imperfections and Factors Leading to Such Defects in a Cohort Study, Journal of Endodontics 2009; 35(1): 129-132 doi:10.1016/j.joen.2008.10.014
Shen Y, Cheung GSp, Peng B, Haapasalo M. Defects in Nickel-Titanium Instruments after Clinical Use. Part 2: Fractographic Analysis of Fractured Surface in a Cohort Study, Journal of Endodontics 2009; 35(1): 133-136 doi:10.1016/j.joen.2008.10.013
Shen Y, Winestock E, Cheung GSp, Haapasalo M. Defects in Nickel-Titanium Instruments after Clinical Use. Part 4: An Electropolished Instrument, Journal of Endodontics 2009; 35(2): 197-201 doi:10.1016/j.joen.2008.11.012
Kim TO, Cheung GSP, Lee JM, Kim BM, Hur B, Kim HC. Stress distribution of three NiTi rotary files under bending and torsional conditions using a mathematic analysis, International Endodontic Journal 2009; 42(1): 14-21 doi:10.1111/j.1365-2591.2008.01481.x
Ding RY, Cheung GSp, Chen J, Yin XZ, Wang QQ, Zhang CF. Pulp Revascularization of Immature Teeth With Apical Periodontitis: A Clinical Study, Journal of Endodontics 2009; 35(5): 745-749 doi:10.1016/j.joen.2009.02.009
Fan B, Min Y, Lu G, Yang J, Cheung GSP, Gutmann JL. Negotiation of C-Shaped Canal Systems in Mandibular Second Molars, Journal of Endodontics 2009; 35(7): 1003-1008 doi:10.1016/j.joen.2009.04.011
Cheung GSP, Liu CSY. A Retrospective Study of Endodontic Treatment Outcome between Nickel-Titanium Rotary and Stainless Steel Hand Filing Techniques, Journal of Endodontics 2009; 35(7): 938-943 doi:10.1016/j.joen.2009.04.016
Dummer PMH, Abbott P, Aesaert G, Ahlquist M, Atkin P, Bailey G, Baumann M, Berggreen E, Bergmans L, Bj?rndal L, Bogaerts P, Bolhuis P, Briggs P, Brise?o B, Camilleri J, Canavan D, Carrotte P, Chadwick B, Chandler N, Cheung G, Chong BS, Cohen D, Cole B, Corbett I, Corson M, Cotti E, De Bruyne M, De Moor R, Deery C, Drage N, Duckmanton P, Elayouti A, Emery C, Endal U, Estrela C, Fairbrother K, Figdor D, Figueiredo J, Fouad A, Franklin P, Fristad I, German M, Gilmour A, Glickman G, Gluskin A, Gruythuysen R, Gulabivala K, Gutmann J, Haapasalo M, Haug SR, Hayes J, Heath N, Horner K, H?rstedBlindslev P, Hoskinson T, Hülsmann M, Ibbetson R, Jacobsen P, Kirkevang LL, Kvist T, Lambrechts P, Lloyd H, Locke M, L?st C, Love R, Lumley P, Machtou P, Mannocci F, Manogue M, Mccabe P, Mcconnell R, Messer H, Molander A, Muthukrishnan A, Myers P, Nair R, Nattress B, Ng YL, Okiji T, ?rstavik D, Parashos P, Patel S, Peters C, Peters L, Peters O, Petersson K, PittFord H, Pitt Ford T, Portenier I, Preshaw P, Qualtrough A, Rees J, Regan J, Reichenmiller K, Reit C, Rhodes J, Saunders B, Saunders E, Sch?fer E, Seccombe G, Sedgley C, Sen B, Shearer A, Sidhu S, Sigurdsson A, Sloan A, Spratt D, Stashenko P, Suda H, Tamse A, Tay F, Tj?derhane L, Tziafas D, Van Der Sluis L, Velvart P, Vertucci F, Von Arx T, Wade W, Walker WA, Walls A, Walmsley D, Waltimo T, Waterhouse P, Weiger R, Welbury R, Wesselink P, Whitworth J, Witherspoon D, Wu MK, Zehnder M. International Endodontic Journal: Editorial, International Endodontic Journal 2008; 41(1): 1-4 doi:10.1111/j.1365-2591.2007.01373_1.x
Cheung LHM, Cheung GSP. Evaluation of a Rotary Instrumentation Method for C-shaped Canals with Micro-computed Tomography, Journal of Endodontics 2008; 34(10): 1233-1238 doi:10.1016/j.joen.2008.07.015
Ko CHW, Cheung GSP, Chan AWK. A review of a resin-based root canal filling material, Hong Kong Dental Journal 2008;
Cheung GSP, Darvell BW. Low-cycle fatigue of rotary NiTi endodontic instruments in hypochlorite solution, Dental Materials 2008; 24(6): 753-759 doi:10.1016/j.dental.2007.09.004
Kim HC, Cheung GSP, Lee CJ, Kim BM, Park JK, Kang SI. Comparison of forces generated during root canal shaping and residual stresses of three nickel–titanium rotary files by using a three-dimensional finite-element analysis, Journal of Endodontics 2008; 34(6): 743-747 doi:10.1016/j.joen.2008.03.015
Fan W, Fan B, Gutmann JL, Cheung GSP. Identification of C-shaped Canal in Mandibular Second Molars. Part I: Radiographic and Anatomical Features Revealed by Intraradicular Contrast Medium, Journal of Endodontics 2007; 33(7): 806-810 doi:10.1016/j.joen.2007.04.007
Cheung GSP, Darvell BW. Fatigue testing of a NiTi rotary instrument. Part 1: Strain-life relationship, International Endodontic Journal 2007; 40(8): 612-618 doi:10.1111/j.1365-2591.2007.01262.x
Cheung GSP, Darvell BW. Low-cycle fatigue of NiTi rotary instruments of various cross-sectional shapes, International Endodontic Journal 2007; 40(8): 626-632 doi:10.1111/j.1365-2591.2007.01257.x
Cheung GSP, Darvell BW. Fatigue testing of a NiTi rotary instrument. Part 2: Fractographic analysis, International Endodontic Journal 2007; 40(8): 619-625 doi:10.1111/j.1365-2591.2007.01256.x
Xu Q, Ling J, Cheung GSP, Hu Y. A quantitative evaluation of sealing ability of 4 obturation techniques by using a glucose leakage test, Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology 2007; 104(4): e109-e113 doi:10.1016/j.tripleo.2007.05.014
Cheung GSP. Instrument fracture: mechanisms, removal of fragments, and clinical outcomes, Endodontic Topics 2007; doi:10.1111/j.1601-1546.2009.00239.x
Shen Y, Bian Z, Cheung GSP, Peng B. Analysis of defects in ProTaper hand-operated instruments after clinical use, Journal of Endodontics 2007; 33(3): 287-290 doi:10.1016/j.joen.2006.09.009
Cheung GSP, Bian Z, Shen Y, Peng B, Darvell BW. Comparison of defects in ProTaper hand-operated and engine-driven instruments after clinical use, International Endodontic Journal 2007; 40(3): 169-178 doi:10.1111/j.1365-2591.2006.01200.x
Huang DM, Luo HX, Cheung GSP, Zhang L, Tan H, Zhou XD. Study of the Progressive Changes in Canal Shape After Using Different Instruments by Hand in Simulated S-Shaped Canals, Journal of Endodontics 2007; 33(8): 986-989 doi:10.1016/j.joen.2006.12.008
Cheung GSP, Yang J, Fan B. Morphometric study of the apical anatomy of C-shaped root canal systems in mandibular second molars, International Endodontic Journal 2007; 40(4): 239-246 doi:10.1111/j.1365-2591.2007.01193.x
Cheung GSP, Shen Y, Darvell BW. Effect of Environment on Low-cycle Fatigue of a Nickel-Titanium Instrument, Journal of Endodontics 2007; 33(12): 1433-1437 doi:10.1016/j.joen.2007.08.007
Shen Y, Bian Z, Fan MW, Peng B, Cheung GSP. Characteristics of wedged debris in microcracks of clinically used ProTaper rotary instruments, The Chinese Journal of Dental Research 2007;
Cheung GSP, Shen Y, Darvell BW. Does Electropolishing Improve the Low-cycle Fatigue Behavior of a Nickel-Titanium Rotary Instrument in Hypochlorite?, Journal of Endodontics 2007; 33(10): 1217-1221 doi:10.1016/j.joen.2007.07.022
Cheung LH, Low D, Cheung GS. Root morphology--a study of the mandibular second molar of ethnic Chinese., Annals of the Royal Australasian College of Dental Surgeons 2006; 18: 47-50
Shen Y, Cheung GSP, Bian Z, Peng B. Comparison of defects in ProFile and ProTaper systems after clinical use, Journal of Endodontics 2006; 32(1): 61-65 doi:10.1016/j.joen.2005.10.017
Min Y, Fan B, Cheung GSP, Gutmann JL, Fan M. C-shaped canal system in mandibular second molars part III: the morphology of the pulp chamber floor, Journal of Endodontics 2006; 32(12): 1155-1159 doi:10.1016/j.joen.2006.07.004
Liu SB, Fan B, Cheung GSP, Peng B, Fan MW, Gutmann JL, Song YL, Fu Q, Bian Z. Cleaning effectiveness and shaping ability of rotary ProTaper compared with rotary GT and manual K-Flexofile, American Journal of Dentistry 2006; 19(6): 353-358
Cheung GSP, Darvell BW. Predicting the fatigue life of NiTi instruments in use, Endodontic Bulletin 2006;
Low D, Ho AWL, Cheung GSP, Darvell BW. Mathematical Modeling of Flexural Behavior of Rotary Nickel-Titanium Endodontic Instruments, Journal of Endodontics 2006; 32(6): 545-548 doi:10.1016/j.joen.2005.10.058
Cheng Y, Cheung GSP, Bian Z, Peng B. Incidence and factors associated with endodontic inter-appointment emergency in a dental teaching hospital in China, Journal of Dentistry 2006; 34(7): 516-521 doi:10.1016/j.jdent.2005.12.003
Gao Y, Fan B, Cheung GSP, Gutmann JL, Fan M. C-shaped canal system in mandibular second molars part IV: 3-D morphological analysis and transverse measurement, Journal of Endodontics 2006; 32(11): 1062-1065 doi:10.1016/j.joen.2006.05.014
Chan AWK, Low DCY, Cheung GSP, Ng RPY. A questionnaire survey of endodontic practice profile among dentists in Hong Kong, Hong Kong Dental Journal 2006;
Cheung GSP, Peng B, Bian Z, Shen Y, Darvell BW. Defects in ProTaper S1 instruments after clinical use: Fractographic examination, International Endodontic Journal 2005; 38(11): 802-809 doi:10.1111/j.1365-2591.2005.01020.x
Chu CH, Lo ECM, Cheung GSP. Outcome of root canal treatment using Thermafil and cold lateral condensation filling techniques, International Endodontic Journal 2005; 38(3): 179-185 doi:10.1111/j.1365-2591.2004.00929.x
Peng B, Shen Y, Cheung GSP, Xia TJ. Defects in ProTaper S1 instruments after clinical use: Longitudinal examination, International Endodontic Journal 2005; 38(8): 550-557 doi:10.1111/j.1365-2591.2005.00991.x
Cheung GSP, Shen Y. 根管預備技術新進展, Dental Equipment & Materials 2005;
Xu Q, Fan MW, Fan B, Cheung GSP, Hu HL. A new quantitative method using glucose for analysis of endodontic leakage, Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics 2005; 99(1): 107-111 doi:10.1016/j.tripleo.2004.06.006
Cheung GSP, Lai SCN, Ng RPY. Fate of vital pulps beneath a metal-ceramic crown or a bridge retainer, International Endodontic Journal 2005; 38(8): 521-530 doi:10.1111/j.1365-2591.2005.00982.x
Shen Y, Peng B, Cheung GSP. Factors associated with the removal of fractured NiTi instruments from root canal systems, Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology 2004; 98(5): 605-610 doi:10.1016/j.tripleo.2004.04.011
Cheung GSP. The use of posts in root canal treated teeth, Hong Kong Dental Journal 2004;
Fan B, Cheung GSP, Fan M, Gutmann JL, Bian Z. C-shaped canal system in mandibular second molars: Part I - Anatomical features, Journal of Endodontics 2004; 30(12): 899-903 doi:10.1097/01.don..12204.e4
Cheung GSP, Wei X. Effect of tip design of nickel-titanium rotary instruments on performance in preparing curved root canals, Hong Kong Dental Journal 2004;
Wang Q, Cheung GSP, Ng RPY. Survival of surgical endodontic treatment performed in a dental teaching hospital: A cohort study, International Endodontic Journal 2004; 37(11): 764-775 doi:10.1111/j.1365-2591.2004.00869.x
Fan B, Cheung GSP, Fan M, Gutmann JL, Fan W. C-shaped canal system in mandibular second molars: part II - radiographic features, Journal of Endodontics 2004; 30(12): 904-908 doi:10.1097/01.don..73115.93
Huang C, Tay FR, Wei SH, Kei LH, Cheung GS, Pashley DH. Tensile strength and ultrastructure of a compomer and a composite in aqueous and non-aqueous storage media., American journal of dentistry 2003; 16 Spec No: 82A-87A
Cheung GSP, Chan TK. Long-term survival of primary root canal treatment carried out in a dental teaching hospital, International Endodontic Journal 2003; 36(2): 117-128 doi:10.1046/j.1365-2591.2003.00639.x
Huang C, Tay FR, Cheung GSP, Kei LH, Wei SHY, Pashley DH. Hygroscopic expansion of a compomer and a composite on artificial gap reduction, Journal of Dentistry 2002; 30(1): 11-19 doi:10.1016/S0300-5712(01)00053-7
Huang C, Kei LH, Wei SHY, Cheung GSP, Tay FR, Pashley DH. The influence of hygroscopic expansion of resin-based restorative materials on artificial gap reduction, Journal of Adhesive Dentistry 2002; 4(1): 61-71
Mak YF, Lai SCN, Cheung GSP, Chan AWK, Tay FR, Pashley DH. Micro-tensile bond testing of resin cements to dentin and an indirect resin composite, Dental Materials 2002; 18(8): 609-621 doi:10.1016/S0109-5641(02)00005-2
Lai SCN, Tay FR, Cheung GSP, Mak YF, Carvalho RM, Wei SHY, Toledano M, Osorio R, Pashley DH. Reversal of compromised bonding in bleached enamel, Journal of Dental Research 2002; 81(7): 477-481 doi:10.1177/****
Cheung GSP. Survival of first-time nonsurgical root canal treatment performed in a dental teaching hospital, Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics 2002; 93(5): 596-604 doi:10.1067/moe.2002.120254
Kwong SM, Cheung GSP, Kei LH, Itthagarun A, Smales RJ, Tay FR, Pashley DH. Micro-tensile bond strengths to sclerotic dentin using a self-etching and a total-etching technique, Dental Materials 2002; 18(5): 359-369 doi:10.1016/S0109-5641(01)00051-3
Wei X, Cheung GSP. Performance of three nickel-titanium instruments for preparing curved root canals to two different apical dimensions, The Chinese Journal of Dental Research 2002;
Wei X, Ling JQ, Cheung GSP. A study of the shaping ability of three nickel-titanium rotary instruments to two apical dimensions, Chinese journal of stomatological research 2002; 1: 52-55
Lai SCN, Mak YF, Cheung GSP, Osorio R, Toledano M, Carvalho RM, Tay FR, Pashley DH. Reversal of compromised bonding to oxidized etched dentin, Journal of Dental Research 2001; 80(10): 1919-1924 doi:10.1177/**
Chan AWK, Wong TKS, Cheung GSP. Lay knowledge of physical education teachers about the emergency management of dental trauma in Hong Kong, Dental Traumatology 2001; 17(2): 77-85 doi:10.1034/j.1600-9657.2001..x
Wei X, Cheung GSP. The effects of three nickel-titanium rotary instruments on root canal curvature, Shanghai Journal of Stomatology 2001;
Chan AWK, Cheung GSP, Ho MWM. Different treatment outcomes of two intruded permanent incisors - A case report, Dental Traumatology 2001; 17(6): 275-280 doi:10.1034/j.1600-9657.2001.170606.x
Cheung GSP, Ho MWM. Microbial flora of root canal-treated teeth associated with asymptomatic periapical radiolucent lesions, Oral Microbiology and Immunology 2001; 16(6): 332-337 doi:10.1034/j.1399-302X.2001.160603.x
Murdock PJ, Brooks S, Mellars G, Cheung G, Jacob D, Owens DL, Parmar M, Riddell A. A simple monoclonal antibody based ELISA for free protein S. Comparison with PEG precipitation, Clinical and Laboratory Haematology 1997; 19(2): 111-114 doi:10.1046/j.1365-2257.1997.00056.x
Cheung GSP, Chan AWK. An in vitro comparison of the excalibur handpiece and hand instrumentation in curved root canals, Journal of Endodontics 1996; 22(3): 131-134 doi:10.1016/S0099-2399(96)80289-5
Cheung GSP. Endodontic failures - Changing the approach, International Dental Journal 1996; 46(3): 131-138
Cheung GSP, Leung SF. Current advances in root canal therapy, Part 1: hand instrumentation techniques, Dental Update 1996;
Chan AWK, Cheung GSP. A comparison of stainless steel and nickel-titanium K-files in curved root canals, International Endodontic Journal 1996; 29(6): 370-375 doi:10.1111/j.1365-2591.1996.tb01400.x
Wat P, Cheung GS. Incidence of post-operative sensitivity following indirect porcelain onlay restorations: preliminary results., Asian journal of aesthetic dentistry / the Asian Academy of Aesthetic Dentistry 1995; 3: 3-7
Gale MS, Darvell BW, Cheung GSP. Three-dimensional reconstruction of microleakage pattern using a sequential grinding technique, Journal of Dentistry 1994; 22(6): 370-375 doi:10.1016/0300-5712(94)90091-4
Wat PY, Cheung GS, Kei LH. An improved preparation for indirect porcelain veneers., Dental update 1993; 20(2): 72, 74-76
Cheung GS, Stock CJ. In vitro cleaning ability of root canal irrigants with and without endosonics, International endodontic journal 1993; 26(6): 334-343 doi:10.1111/j.1365-2591.1993.tb00766.x
Cheung GS, Dimmer A, Walker RT. The use of role-play and psychodrama in the education of the dental undergraduate., Australian Dental Journal 1992; 37(1): 20-22 doi:10.1111/j.1834-7819.1992.tb00828.x
Cheung GSP. A preliminary investigation into the longevity and causes of failure of single unit extracoronal restorations, Journal of Dentistry 1991; 19(3): 160-163 doi:10.1016/0300-5712(91)90006-K
Cheung GS, Renson CE. An update on the use of resin-based dental adhesives., Dental update 1991; 18(6): 250-254
Cheung GSP, Dimmer A, Mellor R, Gale M. A clinical evaluation of conventional bridgework, Journal of Oral Rehabilitation 1990; 17(2): 131-136 doi:10.1111/j.1365-2842.1990.tb01401.x
Cheung SP, Dimmer A. Management of worn dentition with resin-bonded cast metal lingual veneering, The Journal of Prosthetic Dentistry 1990; 63(2): 122-123 doi:10.1016/0022-3913(90)90092-Q
Cheung GSP. Reducing marginal leakage of posterior composite resin restorations: A review of clinical techniques, The Journal of Prosthetic Dentistry 1990; 63(3): 286-288 doi:10.1016/0022-3913(90)90196-J
Cheung GS. A scanning electron microscopic investigation on the acid-etched cervical margin of Class II cavities., Quintessence international 1990; 21(4): 299-302
Cheung GS. An in vitro evaluation of five dentinal adhesives in posterior restorations., Quintessence international 1990; 21(6): 513-516
Cheung SP, Dimmer A. Management of the worn dentition: a further use for the resin-bonded cast metal restoration., Restorative dentistry 1988; 4(4): 76-78
Conference Paper
Ding H, Li X, Tsui KH, Fan Z, Cheung GSP, Matinlinna JP, Tsoi KH. Initial Bacterial Adhesion Counting on Nanopyramid-Structured Surfaces Using Artificial-Intelligence Technique, Journal of Dental Research (Spec Issue) 2019; 98(Spec Iss A): Final Presentation ID: 1404-Final Presentation ID: 1404
Cheung GSP. Cutting edge of nickel-titanium instruments, XLVIII Congreso Nacional de Endodoncia (48th National Endodontic Congress) of the Asociacion Mexicana de Endodoncia (AMECEE) 2019;
Cheung GSP. Bonding in root canals – the crossroad between endodontic and restorative dentistry, XLVIII Congreso Nacional de Endodoncia (48th National Endodontic Congress) of the Asociacion Mexicana de Endodoncia (AMECEE) 2019;
Kwak SW, Kim SK, Ha JH, Cheung GSP, Kim HC. Effect of the glide-path establishment on the stress generation to the files during instrumentation: in-situ measurement, Pusan National University 2018 Research Fair 2018;
Seghayer I, Cheung GSP. Antibacterial effectiveness of ultrasonic and laser activated irrigations, Root Summit 2018 Global Discussion Forum 2018;
Cheung GSP. Managing the root canal biofilm: strategy and possibilities, Pusan National University 2018 Research Fair 2018;
Lee OY, Cheung GSP. Larger apical sizes result in cleaner root canals, IADR-SEA (International Association for Dental Research (Southeast Asian Division)) Annual Scientific Meeting, Da Nang, Vietnam, 2018 2018;
Yon JY, Tang M, Cheung GSP. Fracture of NiTi engine-files in clinic: Systematic review and meta-analysis., IADR-SEA (International Association for Dental Research (Southeast Asian Division)) Annual Scientific Meeting, Da Nang, Vietnam, 2018 2018;
Seghayer I, Cheung GSP. Antibacterial action of ultrasonic and laser-activated irrigation in the apical third of root canals., IFEA 11th World Endodontic Congress, 2018 2018;
Cheung GSP. Contemporary and futuristic approaches for the control of root canal infections, The 21st General Assembly & 41st Annual Scientific Meeting of the Association for Dental Sciences of the Republic of China, Kaohsiumg, Taiwan, 2018 2018;
She MC, Chen NN, Cheung GSP. Clinical outcomes of teeth treated endodontically through pre-existing crowns, International Endodontic Journal 2017; 50(suppl. 1): 51, abstract no. R157-51, abstract no. R157
Cheung GSP. Regeneration of dentine and pulpal tissue: latest research, Asia Endo Forum 2017;
Li HN, Chang JWW, Cheung GSP. Incidence of dentinal defects after root filling ex vivo by two techniques, Biennial ESE Congress 2017;
Cheung GSP. Managing the root canal biofilm: strategy and possibility, Convocation of the Royal Australasian College of Dental Surgeons 2016; 24-24
Wang S, Deng Z, Seneviratne CJ, Cheung G, Jin L, Zhang C. Enterococcus faecalis promotes RANKL-dependent TRAP-positive osteoclastogenesis and semaphorin 4D expression, Journal of Dental Research Meeting Abstracts 2015; 94(Spec. Iss. A)
Zhang C, Wang S, Deng Z, Seneviratne CJ, Cheung G, Jin L. Enterococcus facaelis attenuates osteogenesis in MC3T3-E1 cells, Journal of Dental Research Meeting Abstracts 2015; 94(Spec. Iss. A)
Liu P, McGrath CPJ, Cheung GSP. Predictors of improvements in oral health-related quality-of-life following endodontic treatment, Journal of Dental Research 2015; 94(Spec Iss B (SEA Division))
Cheung GSP. NiTi Instruments: The Way Forward, Society of Endodontists Singapore Scientific Meeting 2015 2015;
Cheung GSP. Cutting edge of root canal preparation, Korean Academy of Conservative Dentistry Autumn Scientific Meeting 2015;
Cheung GSP. Nickel-titanium Instruments, Seminar, UCL Eastman Dental Institute 2015;
Tse MC, Cheung GS. Spatial effect of passive ultrasonic irrigation on a bacterial biofilm, International Endodontic Journal 2014; 47(1): 62, abstract no. R41-62, abstract no. R41 doi:10.1111/iej.12212
Mattheos N, Ho KL, Cheung GSP. Developing self assessment skills of dental students, South East Asia Association for Dental Education (SEAADE) Annual Scientific Meeting 2014;
Mattheos N, Pow EHN, Ho KL, Cheung GSP. Development reflective skills of dental students through the teaching of implant dentistry, Annual Scientific Meeting of South East Asia Association for Dental Education, SEAADE 2014 2014;
Wang S, Liu K, Seneviratne CJ, Cheung GSP, Jin L, Zhang C. Enterococcus faecalis LTA induces TNF-α through NF-κB and p38 pathways, Journal of Dental Research 2014; 93(Spec. Iss. C)
Cheung GSP. Dental cracks, The Annual Conference of the Academy Endodontology 2013;
Cheung GSP. Advances in Endodontic Therapy, China National Endodontic Conference 2013;
Ayoub AA, Cheung GSP. Antimicrobial Action of a Chinese Medicine Extract on E.Faecalis biofilm, FDI Annual World Dental Congress 2013;
Cheung GSP. The cutting edge of endodontic therapy, Kuwait Dental Association Dental Conference 2013;
Cheung GSP, Mahindre PP, Liang HHC. Retention of fiber-post not affected by cements but cyclic loading, General Session & Exhibition of the International Association of Dental Research 2010;
Liu P, McGrath CPJ, Cheung GSP. Effects of endodontic disease and treatment on quality of life, Journal of Dental Research 2010; 89(Spec Iss B): Abstract no. 2446-Abstract no. 2446
Mahindre PP, Cheung GSP, Chang JWW. Micro-push-out bond strengths of an adhesively luted fiber-post subjected to simulated occlusal loads, Annual Scientific Meeting of the Faculty of Dentistry, The University of Hong Kong 2009;
Mahindre PP, Cheung GSP. Micro-push-out bond strengths of an adhesively cemented fiber--post subjected to simulated occlusal loads, Conjoint Scientific Sessions. HKU Faculty of Dentistry and Peking University School of Stomatology 2009 2009;
Cheung GSP. Impact of low-cycle fatigue and torsional load, AAE Annual Session 2009;
Cheung GSP, Darvell BW. Low-cycle fatigue of Ni-Ti rotary instrument, The 14th Scientific Conference of Asian Pacific Endodontic Confederation 2007;
Cheung GSP. Is fatigue a real threat leading to NiTi instrument breakage?, International Federation of Endodontic Associations World Endodontic Congress 2007;
Cheung GSP, Darvell BW. Estimating the surface strain of endodontic instrument rotating in a curved root canal, The Annual Scientific Meeting of the Faculty of Dentistry, The University of Hong Kong 2006;
Cheung GSP, Darvell BW. Low-cycle fatigue of nickel-titanium engine-file of various cross-sectional configurations, The Annual Scientific Meeting of the Faculty of Dentistry, the University of Hong Kong 2006;
Shen Y, Cheung GSP, Peng B, Bian Z, Darvell BW. Fractographic examination of broken ProTaper S1 instruments after clinical use, The Annual Meeting of IADR Chinese Division 2005;
Cheung GSP, Darvell BW. Influence of water on fatigue life of NiTi instruments, The IADR/Chinese Division Annual Meeting 2005;
Chan AWK, Chiu BML, Cheung GSP. Preparation of curved root canals with different NiTi rotary systems: Three-dimensional comparison using micro-computed tomography, IFEA Endodontic World Congress 2004;
Cheung GSP. Current methods of root canal preparation, The 8th China International Exhibition & Symposium on Dental Equipment, Technology The 8th China International Exhibition & Symposium on Dental Equipment, Technology & Products and 2004 Int'l Exhibition & Symposium on Oral Health 2004;
Cheung GSP. Rationale for using nickel-titanium instruments by hand, European Endo Forum 2004;
Wang Q, Cheung GSP, Ng RPY. Survival of surgical endodontic treatment performed in a dental teaching hospital (Abstract no. 1012), 5th Annual Meeting of IADR Chinese Division & 2nd International Symposium on Stomatology, Wuhan, China 2004; 24
Cheung GSP. Survival of surgical endodontic treatment performed in a dental teaching hospital, IADR (China Division) Annual Meeting 2004;
Ho AWL, Low DCY, Cheung GSP, Darvell BW. Evaluation of flexural behaviour of Nickel-Titanium rotary file, IFEA Endodontic World Congress 2004;
Fan B, Cheung GSP, Fan MW, Gutmann J, Bian Z, Fan W. C-shaped canal system in mandibular second molars: Anatomical features, 5th Annual Meeting of IADR Chinese Division & 2nd International Symposium on Stomatology, Wuhan, China 2004; 42
Cheung GSP. Recent trends in root canal instrumentation, International Congress of Esthetic and Endodontic Dentistry 2004;
Chu CH, Lo ECM, Cheung GSP. Outcome of endodontic therapy with thermafil and lateral condensation technique, IADR-SEA Annual Scientific Meeting 2003; 82(Spec. Iss. C): C-635-C-635
Cheung GSP. Fatigue failure of nickel-titanium instruments: metallurgical considerations, 11th Biennial Congress of the European Society of Endodontology, Athens 2003;
Cheung GSP. Background of the nickel-titanium materials, its properties and an overview of various instrumentation tehniques, China ProTaper Symposium 2003;
Cheung GSP. A journey to the root apex and 'Dos and Don'ts of root canal therapy', Scientific Meeting of the Indian Academy of Restorative Dentistry 2003;
Chan AWK, Mak YF, Lai SCN, Cheung GSP, Tay FRCM, Pashley DH. Microtensile testing resin cements in compliant, indirect composite/dentin adhesive joints (Abstract no. 3388), Journal of Dental Research 2002; , v. 81-418
Lai SCN, Tay FRCM, Mak YF, Cheung GSP, Toledano M, Osorio R, Carvalho RM, Pashley DH. Reversal of compromised bonding in carbamide peroxide-bleached enamel (Abstract no. 1685), Journal of Dental Research 2002; , v. 81-223
Huang C, Kei LH, Wei S, Cheung GSP, Tay FRCM, Pashley DH. Hygroscopic expansion of resin-based restorative materials on artificial gap reduction (Abstract 3967), Journal of Dental Research 2002; , v. 81 n. Spec Iss A(Spec Iss A)-485
Cheung GSP. Survival analysis of first-time non-surgical root canal treatment completed 10-20 years before in a dental teaching hospital, 20th Anniversary Celebration, Faculty of Dentistry, The University of Hong Kong 2002;
Ng RPY, Ho MWM, Mak YF, Cheung GSP. Unusual root canal anatomy: mandibular premolars (Poster Presentation), 10th Scientific Congress of Asia Pacific Endodontic Confederation and 27th Scientific Meeting of Korean Academy of Endodontics 2002; 25
Chan AWK, Cheung GSP, Ng RPY, Chiu ML. A Survey of the Practice of Endodontic Treatment among General Dental Practitioners in Hong Kong, Australian Endodontic Journal 2002; 28(3): 121-121 doi:10.1111/j.1747-4477.2002.tb00405.x
Chan TK, Tan SW, Cheung GSP. Survival Analysis of First-time Non-surgical Root Canal Treatment Completed 10-20 years before in a Dental Teaching Hopsital (Poster Presentation), Australian Endodontic Journal 2002; 28(3): 122-122
Wei S, Huang C, Tay FRCM, Kei LH, Cheung GSP, Pashley DH. Tensile strength and ultrastructure of a compomer and a composite after water sorption (Abstract 3968), Journal of Dental Research 2002; , v. 81 n. Spec Iss A(Spec Iss A)-485
Lai SCN, Ng RPY, Ho AWL, Cheung GSP. Fate of vital pulps beneath a crown and bridge retainer (Poster Presentation), 10th Scientific Congress of Asia Pacific Endodontic Confederation and 27th Scientific Meeting of Korean Academy of Endodontics 2002; 26
Huang C, Tay FR, Cheung SP, Kei LH, Wei SHY, Pashley DH. Hygroscopic expansion of a compomer and a composite on artificial gap reduction, Journal of Dental Research 2001; 80(Sp Iss)
Mak YF, Cheung GSP. Microbial-flora of root canals at the time of root filling and the outcome of treatment, Journal of Dental Research 2001; 80(4): 1380, abstract no. P-4-1380, abstract no. P-4
Lai SCN, Mak YF, Cheung GSP, Osorio R, Toledano M, Carvalho R, Tay FR, Pashley DH. Reversal of compromised bonding in NaOCI or H2O2 treated etched dentin, Journal of Dental Research 2001; 80(Sp Iss)
Chan AWK, Mak YF, Cheung GSP. Microbial-flora of root canals at the time of root filling and the outcomes of treatment, Asia Pacific Dental Congress 2001;
Mak YF, Lai SCN, Cheung GSP, Chan AWK, Tay FRCM, Pashley DH. Micro-tensile bond testing of resin cements in a compliant, indirect resin composite/dentine adhesive joint, Dental Sciences for Greater China. Hong Kong-China Dental Science Symposium and 16th Annual Scientific Meeting, Faculty of Dentistry, The University of Hong Kong 2001;
Cheung GSP. Survival analysis of root canal treatment performed in a dental teaching hospital (Abstract no. R94), European Society of Endodontology 10th Biennial Congress, Munich, Germany 2001; 32
Huang C, Tay FRCM, Cheung GSP, Kei LH, Wei SHY, Pashley DH. Hygroscopic expansion of a compomer and a composite on artificial gap reduction, Dental Sciences for Greater China-Hong Kong-China Dental Science Symposium and 16th Annual Scientific Meeting 2001;
Kwong SM, Cheung GSP, Yip HK, Kei LH, Tay FR, Pashley DH. Bonding to sclerotic dentin using two conditioning methods, Journal of Dental Research 2000; 79(Sp Iss)
Zee KY, Cheung GSP. Vertical bone level changes of cast titanium bridges supported by osseointegrated implants, Journal of Dental Research 1999; 78(5): 1173, abstract no. 25-1173, abstract no. 25
Chan AWK, Cheung GSP. A conservative approach to the replacement of single missing anterior teeth, Annual Scientific Meeting of Faculty of Dentistry, The University of Hong Kong 1999;
Cheung GSP. A simplified approach for root canal preparation using the Step-Back Technique, Proceedings of Continuing Stomatological Education on Oral Medicine 1999;
Wei X, Cheung GSP. A comparison of shaping ability among four instrumentation techniques, Proceedings of Continuing Stomatological Education on Oral Medicine 1999;
Chan AWK, Cheung GSP. A conservative approach to the replacement of single missing anterior teeth, The International Conference on Dental Traumatology 1999;
Ho WM, Cheung GSP. The microbiological profile of failed endodontically treated teeth - preliminary result in a Hong Kong Chinese population, Faculty Research Seminar of Faculty of Dentistry 1999;
Cheung GSP. A simplified approach for root canal preparation using the Step-Back Technique, Proceeding of the International Symposium on Stomatology: Facing the Challenge of 21st Century 1999; 119
Cheung GSP. A second look into nickel-titanium rotary instrumentation, Asian-Pacific Endodontic Congress 1999;
Cheung GSP. The application of nickel-titanium instruments and precautions for their use, Chinese Journal of Conservative Dentistry 1999; , v. 9: 7
Wat PYP, Cheung GSP. Hong Kong Dental Association Biennial Report 1995-97, An investigation into the phenomenon of post-operative sensitivity in resin-bonded porcelain onlay restorations 1999; 114-119
Cheung GSP, Zee KY. Soft tissue changes: comparison between natural teeth and osseointegrated implants in function for 2-3 years, Proceedings of the 4th Congress of the Asia-Pacific Section, International Congress of Oral Implantologists, Shanghai, PR China, 23rd-25th October 1998; 13
Cheung GSP. Principles and techniques in retreatment, The 13th Federation of Operative Dentistry of India and 6th Indian Endodontic Society Annual Conference 1998;
Cheung GSP, Chen SQ. Periapical status of teeth-treated with pulp resinefying therapy in P.R. China, Annual Scientific Meeting of Faculty of Dentistry, The University of Hong Kong 1998;
Wat PYP, Cheung GSP. Factors affecting the chance of post-operative sensitivity in indirect porcelain onlays, Journal of Dental Research 1997; 76(Sp Iss): 271, abstract no. 2057-271, abstract no. 2057
Cheung GSP. Current advances in surgical endodontics, Symposium on Oral Diagnosis and Surgery 1997;
Cheung GSP. Use of sodium hypochlorite solution for root canal irrigation: post-operative pain, Faculty of Dentistry Annual Scientific Meeting, the University of Hong Kong 1997;
Cheung GSP. Latest trends in cleaning and shaping of root canals, Joint 12th Federation of Operative Dentistry, India and 5th Indian Endodontic Society Conference 1997;
Cheung GSP. Current advances in surgical endodontics, The Biennial Session of Endodontic Society of the Philippines 1996;
Chan AWK, Cheung GSP. A comparison of stainless steel and nickel-titanium K-files in curved root canals, The Journal of Endodontics 1995; 22(4): 192 doi:10.1016/S0099-2399(96)80116-6
Cheung GSP. Endodontic failures: changing the approach, FDI World Dental Congress 1995;
Cheung GSP. Management of errors in endodontic treatment, Proceedings of the International Meeting of Japan Endodontic Association 1995; 20
Book
King NM, Abbot PV, Cheung GSP, Dimmer A, Gulabivala K, Hyatt AT, Manning SA, Newsome PRH, Stock CJR, Walker RT, Webber J, Chong BS. Endodontics. : Mosby-Wolf.; 1994.
Book Chapter
Cheung GSP, Teoxeira FB. Management of Endodontic Emergencies . Cohen's Pathways of the Pulp (12th ed.). St. Louis, Missouri: Elsevier Health Sciences; 2020:: 737-755.
Dorn SO, Cheung GSP. Management of Endodontic Emergencies . Cohen's Pathways of the Pulp (11th ed.). St. Louis, Mo: Elsevier; 2015:706-721.
Cheung GSP. 根管治療後的修復 . 現代牙髓病學. 人民衛生出版社.; 2008:300-309.
Cheung GSP. Surgical Endodontics . Endodontology. 人民衛生出版社.; 2008:247-256.
Cheung GSP. Rationale for using NiTi instruments by hand. Chapter 4. . Contemporary Endodontics. 2007:10-13.
Wei X, Cheung GSP. (Application of the operating microscope in clinical endodontics) . (Modern Root Canal Therapy; Chapter 18). 人民衛生出版社.; 2005:179-215.
Cheung GSP. Guidelines for Accreditation and Training in Endodontics . The College of Dental Surgeons of Hong Kong. 1999:26.
Cheung GSP, Chan AWK. The prospects of nickel-titanium alloys in endodontics . Hong Kong Dental Association 1993/95 Biannual Report. 1997:90-93.
PG Thesis
Cheung Shun-pan Gary. Low-cycle fatigue of nickel-titanium rotary root-canal instruments[PG Thesis]. Pokfulam, Hong Kong: The University of Hong Kong; 2006. doi:10.5353/th_b**

Honours and Awards
2019. DING H, Li X, Cheung GSP, Tsoi KH, Tsui KH. IADR Kulzer Travel Award: International Association for Dental Research (IADR).
2012. Soo I, Chang JWW, Cheung GSP. Best Oral Presentation: 2012 Commonwealth Dental Association / Malaysian Dental Association Joint International Scientific Convention.
2012. Cheung GSP, Mahindre PP. 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.
2002. Cheung GSP. 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.
1998. Cheung GSP. Honorary Life Member: Indian Endodontic Society.

Editorships
2017: Editorial Board Member. Dentistry Journal.
2016: Editorial Board. Restorative Dentistry and Endodontics.
2016: Associate Editor. Journal of Investigative and Clinical Dentistry.
2016: Editorial Board. International Endodontic Journal.
2016: Journal editor. International Endodontic Journal.
2011: Member of Editorial Board of The Journal of Korean Academy of Conservative Dentistry, September 16, 2011. The Korean Academy of Conservative Dentistry.
2010: Dental Tribune International. Journal editor of Roots: the International Magazine of Endodontics.
2010: Edited book (as editor). Journal editor of Endodontic Practice Today.
2010: Edited book (as editor). Journal editor of Hong Kong Dental Journal.
2010: Journal editor. Journal editor of International Endodontic Journal.
2008: Journal editor. International Endodontic Journal.
2007: Journal editor. Roots: the international magazine of Endodontics.
2007: Journal editor. Editorial Board of ENDO - Endodontic Practice Today.
2007: Journal editor. Hong Kong Dental Journal.
2006: Journal editor. Hong Kong Dental Journal.

Knowledge Exchange
05 June 2016: Cheung Gary Shun Pan, Chan Abraham. Share of E newsletter story on Dr Abraham Outreach activity.
23 February 2016: Cheung Gary Shun Pan, Flemmig Thomas Frank. Dean & Prof Gary Cheung on Infection Control Teaching Suite.
23 February 2016: Cheung Gary Shun Pan, Flemmig Thomas Frank. Dean & Prof Gary Cheung on Infection Control Teaching Suite.
23 February 2016: Cheung Gary Shun Pan, Flemmig Thomas Frank. Dean & Prof Gary Cheung on Infection Control Teaching Suite.
23 February 2016: Cheung Gary Shun Pan, Flemmig Thomas Frank. Dean & Prof Gary Cheung on Infection Control Teaching Suite.
23 February 2016: Cheung Gary Shun Pan, Flemmig Thomas Frank. 香港大學成立首間防感染控制教室.
23 February 2016: Cheung Gary Shun Pan, Flemmig Thomas Frank. 港大牙科防感染控制室　牙科生從消毒學起.
23 February 2016: Cheung Gary Shun Pan, Flemmig Thomas Frank. 港大牙科防感染教室啟用.
23 February 2016: Cheung Gary Shun Pan, Flemmig Thomas Frank. 全港首設牙科防感染控制教室.
23 February 2016: Cheung Gary Shun Pan, Flemmig Thomas Frank. 港大設牙科防感染控制教室.
23 February 2016: Cheung Gary Shun Pan, Flemmig Thomas Frank. 消毒不當　牙科器具可傳乙肝 港大首設教室　供未來牙醫實習.
23 February 2016: Cheung Gary Shun Pan, Flemmig Thomas Frank. 加強消毒意識減感染風險 港大設牙科防感染控制教室.
23 February 2016: Cheung Gary Shun Pan, Flemmig Thomas Frank. 港大牙科生實戰學消毒三部曲.
23 February 2016: Cheung Gary Shun Pan, Flemmig Thomas Frank. 牙科教室訓新丁消毒器具.
04 February 2016: Cheung Gary Shun Pan. 愛咬蟹殼 喜食瓜子 易致牙裂崩損.
04 February 2016: Cheung Gary Shun Pan. HKET interviews Prof Gary Cheung on cracked tooth.
29 January 2016: Cheung Gary Shun Pan. 過年後多裂牙求醫小心瓜子果仁煎堆.
29 January 2016: Cheung Gary Shun Pan. Ming Pao - Prof Gary Cheung on Cracked Tooth.
29 January 2016: Cheung Gary Shun Pan. Apple Daily - Prof Gary Cheung on Cracked Tooth part2.
29 January 2016: Cheung Gary Shun Pan. Apple Daily - Prof Gary Cheung on Cracked Tooth.
29 January 2016: Cheung Gary Shun Pan. Oriental Daily - Prof Gary Cheung on Cracked Tooth.
29 January 2016: Cheung Gary Shun Pan. 新春食瓜子隨時咬爆牙.
29 January 2016: Cheung Gary Shun Pan. 賀年剝瓜子隨時咬崩牙.
29 January 2016: Cheung Gary Shun Pan. 新春剝瓜子 慎防咬崩牙.
29 January 2016: Cheung Gary Shun Pan. 狂吃瓜子 咬爆牙.
29 January 2016: Cheung Gary Shun Pan. 春節多堅硬食品 易患牙隱裂.
29 January 2016: Cheung Gary Shun Pan. 戴牙套防裂縫加深.
29 January 2016: Cheung Gary Shun Pan. 牙科專家籲市民新春期間避免進食過多堅硬食品.
30 December 2015: Cheung Gary Shun Pan. Prof Gary Cheung on Cracked Tooth on RTHK.
29 December 2015: Cheung Gary Shun Pan. 牙齒斷裂.
17 November 2015: Cheung Gary Shun Pan. Prof Gary Cheung on tooth decay on RTHK.
17 November 2015: Cheung Gary Shun Pan. 蛀牙.
13 August 2015: Cheung Gary Shun Pan. 救得一隻得一隻　港牙醫義診到東非.
13 August 2015: Cheung Gary Shun Pan. HKU alumni set up dental clinic in Uganda.
21 October 2013: Cheung Gary Shun Pan, Chang Jeffrey Wen Wei, Zhang Chengfei. Endodontic Attachment Week.
30 September 2013: Leung Mike Yiu Yan, Cheung Lim Kwong, Cheung Gary Shun Pan, Tiffany Chi Lok CHAN. 2013/14 Student KE Project Grant Mentor: KE-SP-2013/14-12: Management of Jaw, Face and Dental Trauma: Educational Campaign for School Teachers (HK$20,000).
16 November 2012: Leung Mike Yiu Yan, Cheung Lim Kwong, Cheung Gary Shun Pan, Chi Lok Tiffany CHAN. 2012/13 Student KE Project Grant Mentor: KE-SP-2012/13-12: Management of jaw, face and dental trauma: Educational campaign for primary and secondary school teacher (HJ$20,000).

Professional Societies
10/1997 - 10/2018: Council Member. Asian Pacific Endodontic Confederation.
09/1994 - current: Associate Member. American Association of Endodontiists.
09/1991 - current: Member. British Endodontic Society.
09/1987 - current: Member. International Association for Dental Research.
04/2019 - current: Vice President. Hong Kong Endodontic Society.
01/2019 - current: Chief examiner. Specialty Board in Endodontics, College of Dental Surgeons of Hong Kong.

Grants
Project Title: Biomimetic Nano-structured Anti-bacterial Surfaces for Dental Clinical Applications
Grant Type: Innovation and Technology Support Programme (Tier 3)
Funding Year: 2017
Amount: HKD**
Principal Investigator: Professor Cheung, Gary Shun Pan
Co-investigator(s): Professor Fan Zhiyong, Miss Li Xin, Mr Tsui Kwong Hoi, Dr Tsoi Kit Hon
Project Title: Synthesis and characterization of curcumin nanoparticles with and without novel polymer caging
Grant Type: Seed Fund for Basic Research for New Staff
Funding Year: 2016
Amount: HKD150000
Principal Investigator: Dr Neelakantan, Prasanna
Co-investigator(s): Dr Wang Yufeng, Professor Cheung Gary Shun Pan, Professor Matinlinna Jukka Pekka
Project Title: EphrinB2 enhances angiogenesis and anastomosis of bioengineered prevascularized dental pulp construct
Grant Type: General Research Fund (GRF)
Funding Year: 2014
Amount: HKD591200
Principal Investigator: Dr Zhang, Chengfei
Co-investigator(s): Dr Green David William, Professor Cheung Gary Shun Pan, Professor Jin Lijian
Project Title: EphrinB2 and VEGF cooperatively regulate dental pulp stem cell functions and blood vessel formation
Grant Type: National Natural Science Foundation of China (NSFC) - General Program
Funding Year: 2014
Amount: HKD916880
Principal Investigator: Dr Zhang, Chengfei
Co-investigator(s): Professor Cheung Gary Shun Pan, Professor Jin Lijian
Project Title: Engineering human dental pulp tissues using prevascularized microtissue spheroids constructed by dental pulp stem cells and gene-modified endothelial cells
Grant Type: General Research Fund (GRF)
Funding Year: 2012
Amount: HKD**
Principal Investigator: Dr Zhang, Chengfei
Co-investigator(s): Dr Seneviratne Chaminda Jayampath, Professor Jin Lijian, Professor Cheung Gary Shun Pan, Professor Hargreaves Kenneth M.
Project Title: Bcl-2 and cMyc gene-transfected dental pulp stem cells outcompete bone marrow-derived cells in dental pulp regeneration
Grant Type: National Natural Science Foundation of China (NSFC) - General Program
Funding Year: 2012
Amount: HKD879200
Principal Investigator: Dr Zhang, Chengfei
Co-investigator(s): Dr. Dissanayaka Waruna Lakmal, Dr Chang Jeffrey Wen Wei, Professor Cheung Gary Shun Pan
Project Title: Synergistic effects of endothelial progenitor cells and apical papilla stem cells on dental pulp regeneration
Grant Type: General Research Fund (GRF)
Funding Year: 2010
Amount: HKD493000
Principal Investigator: Dr Zhang, Chengfei
Co-investigator(s): Professor Cheung Gary Shun Pan, Professor Jin Lijian, Professor Wang Cun-Yu
Project Title: A survey of endodontic practice in the general practice in Hong Kong
Grant Type: Other Funding Scheme
Funding Year: 1999
Amount: HKD0
Principal Investigator: Dr Chan, Wai Kwok Alex
Co-investigator(s): Professor Cheung Gary Shun Pan
Project Title: The influence of extracoronal dental restorations on pulpal vitality
Grant Type: Other Funding Scheme
Funding Year: 1999
Amount: HKD0
Principal Investigator: Dr Cheung, Gary Shun Pan
Project Title: Treatment outcome of root canal therapy
Grant Type: Other Funding Scheme
Funding Year: 1998
Amount: HKD0
Principal Investigator: Dr Cheung, Gary Shun Pan
Project Title: The longevity of single unit cast restorations
Grant Type: Other Funding Scheme
Funding Year: 1989
Amount: HKD0
Principal Investigator: Dr Cheung, Gary Shun Pan
Co-investigator(s): Dr Dimmer Anne
Project Title: A survey of composite resin dental restorative material and dentinal adhesive agents in Hong Kong
Grant Type: Other Funding Scheme
Funding Year: 1989
Amount: HKD0
Principal Investigator: Dr Cheung, Gary Shun Pan
Project Title: The incidence of post-operative sensitivity following indirect porcelain onlay restorations
Grant Type: Other Funding Scheme
Funding Year: 1989
Amount: HKD0
Principal Investigator: Dr Wat, Peter Young Pak
Co-investigator(s): Professor Cheung Gary Shun Pan
Project Title: Marginal leakage of posterior composite resin restorations
Grant Type: Other Funding Scheme
Funding Year: 1988
Amount: HKD0
Principal Investigator: Dr Cheung, Gary Shun Pan
Project Title: A clinical evaluation of conventional bridgework
Grant Type: Other Funding Scheme
Funding Year: 1988
Amount: HKD0
Principal Investigator: Dr Cheung, Gary Shun Pan
Co-principal investigator(s): Dr Dimmer Anne Co-investigator(s): Dr Lovat , Mr Francis
Project Title: Marginal leakage of class II composite resin restorations: bonding agents and composite resin combinations
Grant Type: Other Funding Scheme
Funding Year: 1988
Amount: HKD0
Principal Investigator: Dr Cheung, Gary Shun Pan
Project Title: Microleakage of porcelain veneers
Grant Type: Other Funding Scheme
Funding Year: 1988
Amount: HKD0
Principal Investigator: Dr Wat, Peter Young Pak
Co-investigator(s): Professor Cheung Gary Shun Pan, Dr Kei Lee Hoi
Project Title: Variance in the preparation of anterior teeth for porcelain veneers
Grant Type: Other Funding Scheme
Funding Year: 1987
Amount: HKD0
Principal Investigator: Dr Wat, Peter Young Pak
Co-investigator(s): Dr Kei Lee Hoi, Professor Cheung Gary Shun Pan

Invited Lectures and Keynote Speeches
01 May 2019: “Cutting edge of nickel-titanium instruments” “Bonding in root canals – the crossroad between endodontic and restorative dentistry”. XLVIII Congreso Nacional de Endodoncia (48th National Endodontic Congress) of the Asociacion Mexicana de Endodoncia, Yucatan, Merida, Mexico, May 2019.
01 October 2018: Contemporary and futuristic approaches for the control of root canal infections. The 21st General Assembly & 41st Annual Scientific Meeting of the Association for Dental Sciences of the Republic of China, Kaohsiumg, Taiwan Oct 2018.
01 June 2017: Regeneration of dentine and pulpal tissue: latest research. Asia Endo Forum, Bangkok, Thailand.
01 August 2016: Contemporary endodontic treatment: the microsurgical approach. Continuing Education Program of Chinese Stomatological Association and Ningxia Medical University Family Dentistry Forum, Yinchuan, PRC.
01 May 2016: Dental cracks - a restorative conundrum. Bonding in the root canal. Assisted root canal irrigation. Pulp revascularization and regeneration. One-day course for the Australian Society of Endodontology, Perth, Australia.
01 March 2016: Managing the root canal biofilm: strategy and possibility. The 23rd Convocation of the Royal Australasian College of Dental Surgeons, Hobart, Tasmania.
01 November 2015: BDS curriculum in HKU. HKU Faculty of Dentistry's 2nd position in the QS Ranking. Faculty of Dentistry, Universitas Gadjah Mada, Yogyakarta, Indonesia.
01 November 2015: Cutting edge of root canal preparation. 2015 Korean Academy of Conservative Dentistry Autumn Scientific Meeting, Seoul, Korea.
01 October 2015: NiTi Instruments: The Way Forward. Society of Endodontists Singapore Scientific Meeting 2015.
01 October 2015: Evolving treatment philosophies and ways to optimize endodontic success. Oral Department, Sun Yat-sen University Hospital, Guangzhou, PRC.
24 February 2014: "Joint (TMJ) matters in dentistry"; "Smile with veneers"; "Badly broken down teeth: conservation versus eradication"; "Bonding in root canals"; "NiTi instruments: the end of an ear?". PRESTO 2014: Workshop on restorative stomatognathics, Coorg Institute of Dental Sciences, Virajpet, India, Feb 2014.
01 December 2013: Designing endodontic education and competency for dental graduates. Royal Australasian College of Dental Surgeon (Asia Region) and Hong Kong Endodontic Society joint scientific meeting, Dec 2013.
01 October 2013: Advances in endodontic therapy: China 15 years on. 4th China National Endodontic Conference, China, Oct 2013.
01 August 2013: The cutting edge of root canal preparation; and Dental cracks. Academy of Endodontology R.O.C. 84th Scientific Meeting, Taiwan, Aug 2013.
13 April 2013: The cutting edge of endodontic therapy. The 17^th Kuwait Dental Association Dental Conference.
01 April 2013: The cutting edge of endodontic therapy. Kuwait Dental Association annual session, Apr 2013.
01 May 2012: Dental Cracks: endodontic and restorative challenge. Hong Kong Dental Association Monthly Scientific Meeting, Hong Kong, May 2012.
15 June 2011: Endodontics in the world: status in Asia. European Endodontic Forum, Interlaken, Switzerland, June.
15 May 2011: The glide-path dilemma. Asian Endo Forum, organized by Dentsply Asia, Koh Samui, Thailand, May.
15 January 2011: Molar endodontics: from biology to clinical practice; Problem solving for non-surgical root canal therapy. F.D.I. Continuing Education Programme, Yangon, Myanmar, Jan.
15 January 2011: Basis and techniques for root canal obturation. M.D.A./F.D.I. Continuing Education Programme, Kuala Lumpur, Malaysia, Jan.
01 December 2010: Endodontic Retreatment. Indian Endodontic Society .
01 January 2010: Managing the diseased pulp: from diagnosis to restoration to health and function. F.D.I. Continuing Education Programme, Yangon, Myanmar, Jan. 2010.
01 November 2009: Evidenced based approach to root canal cleaning and shaping. F.D.I. Continuing Education Programme, Varanasi, India, Nov. 2009.
01 November 2009: Surgical endodontics. Invited lecture at the Guanghau School of Stomatology, Sun-yat-sen University, Guangzhou, China, Nov. 2009.
01 October 2009: Cyclic fatigue of NiTi instruments. World Dental Show, Indian Dental Association, Mumbai, India, Oct. 2009.
01 November 2008: Plenary speaker: "Maximise the power of canal shaping and cleaning", "What to do about the failing endodontics cases", "Managing the difficult cases and root canal failures". Malaysian Dental Association Northern Region Conference, Penang, Malaysia, Nov. 2008.
01 June 2008: Cyclic fatigue of NiTi instruments. Asian Endodontic Forum 2008, Kota Kinabalu, Malaysia.
01 April 2008: Mechanism of cutting with NiTi instruments: property & characteristics. Invited lecture to the Eastman Dental Institute, London, UK .
01 November 2007: (i) From NiTi alloy to rotary instruments; (ii) Problem solving in endodontics (workshop). The University of Hong Kong Faculty of Dentistry 25th Anniversary Symposium.
01 November 2006: "Predicting the fatigue life of NiTi instruments in use". 5th Joint Meeting of the Malaysian Endodontic Society and the Society of Endodontists of Singapore, Kuala Lumpur, Malaysia.
01 October 2006: "Communications between the pulp and periodontium, and their clinical implications" and "Precautions for NiTi engine-files, and rationales and technique for using NiTi instruments by hand". 14th Oman Dental Conference, Muscat, Sultanate of Oman.
18 May 2006: "From NiTi alloy to rotary instruments". LVI Global Dental Innovations Forum: The Future of Endodontics, Las Vegas Institute for Advanced Dental Studies.
01 December 2005: "How successful is nonsurgical root canal therapy?". Symposium: 20 Years of Quality Dental Care in Hong Kong.
01 July 2005: "Dos and don'ts in root canal therapy". 8th Scientific Forum, Trisakti University, Jakarta, Indonesia.
17 September 2004: Communications between the pulp and the periodontium and their clinical implications (Oral Presentation). The 4th West China Academic and Technical Conference on Stomatology and Dental Equipment and Materials Exhibition, Chengdu, China.
25 February 2004: "Is endodontic treatment going to save all badly broken teeth?". South China International Dental and Medical Equipment and Technology Expo and Conference, Guangzhou, China.
05 August 2003: "The cracked tooth: an endodontic challenge". University of Southern California 2nd International Endodontics Symposium, Maui, Hawaii, USA.
26 January 2003: "New concept in techniques" and "Management of endodontic complications". 23rd Myanmar Dental Conference and 4th FDI World Educational Meeting, Yangon, Myanmar.
06 November 2002: Keynote Lecture: "Survival of Root Canal Treated Teeth and Management of Failures in the General Practice". 1st Inter State and 31st Karnataka State Dental Conference, Mangalore, India.
01 July 2002: "Influence of material properties on rotational speed of Ni-Ti rotary instruments". China Endo Forum, Wuhan, China.
03 April 2002: "Current status of endodontic practice in Asia Pacific region: the Hong Kong scene" (Panel Discussion). 10th Scientific Congress of Asia Pacific Endodontic Confederation and 27th Scientific Meeting of Korean Academy of Endodontics.
01 November 2001: "Management of the curved root canals: transition from stainless stell to nickel-titanium instruments". 16th Federation of operative Dentistry and 9th Indian Endodontic Society Annual Conference, Calcutta, India.
18 December 1997: Root canal instrumention: the mechanised approach. Invited speaker, Professional Continuing Education Course on Modern Endodontic Therapy, Sun-Yat-Sen University of Medical Sciences, Guangzhou, PRC.
12 August 1997: Current concepts in root canal therapy: the impaction of mechanical root canal instrumentation. Invited speaker, Professional Continuing Education Programme, Beijing Medical University.
06 March 1997: Workshop on Advances in Endodontic Therapy. Invited speaker, Dental Division, Department of Health.

Community Services
01 January 2002-01 December 2009: Member, Education Committee. College of Dental Surgery of Hong Kong
01 March 2001-01 December 2009: Chairman. Specialty Board in Endodontics, The College of Dental Surgeons of Hong Kong
01 January 1999-01 December 2009: Honorary Consultant. Hospital Authority of Hong Kong
01 January 1999-01 December 2009: Board of Examiners. Dental Council of Hong Kong

HKU Committee Appointments
01 July 2019-30 June 2021: Academic Awards, Board of. An Associate Dean (Undergraduate Education/Teaching and Learning), appointed on rotational basis for two years at a time, from Faculty Cluster C (Dentistry, Law and Medicine)
05 January 2016-30 June 2019: HKU Horizons Committee. An Associate Dean (Experiential Learning/Teaching and Learning) from each of the three Faculty clusters nominated by the Faculty cluster concerned, appointed for two years at a time (Cluster A: Architecture, Engineering and Science)
01 January 2013-31 December 2013: Information Technology Advisory Committee. The Chairmen of Faculty Information Technology Committees
28 April 2011-31 December 2011: Information Technology Advisory Committee. The Chairmen of Faculty Information Technology Committees
28 April 2011-31 December 2011: Library Committee. The Chairman of each Faculty Library Committee and the Chairman of the Committee on Information Technology and Educational Resources (CITER) of the Faculty of Dentistry
01 July 2009-30 June 2011: Academic Awards, Board of. An Associate Dean (Undergraduate Education/Teaching and Learning), appointed on rotational basis for two years at a time, from Faculty Cluster B (Arts, Business & Economics, Education and Social Sciences)
21 October 2007-20 October 2009: Discontinuation, Committee on. 1 member from each Faculty (Dentistry) from a panel of three in order of precedence for a period of 2 years, renewable up to a maximum of 4 consecutive years
01 July 2006-30 June 2008: Student Grievances, Committee of Enquiry into. Two other members of the Grievances Panel, appointed by the Chairman: members of the Panel
01 November 1987-30 June 2011: Faculty of Dentistry, Board of the. The teachers who are members of the Faculty and who are full-time employees of the University