Professor Warwick Duncan

2025

Journal - Research Article

Elahi, A., Duncan, W., Li, K. C., Bhattacharjee, T., & Coates, D. (2025). Supercritical CO₂ with enzymatic posttreatment enhances mechanical and biological properties of cancellous bovine bone block grafts. Journal of Biomedical Materials Research Part A, 113, e37896. doi: 10.1002/jbm.a.37896

Atieh, M. A., Ma, S., Tawse-Smith, A., Duncan, W. J., Amir-Rad, F., Shah, M., … Alsabeeha, N. H. M. (2025). Narrow versus standard diameter implants for supporting single crown restorations in the posterior jaw: A randomised controlled trial. International Dental Journal. Advance online publication. doi: 10.1016/j.identj.2024.12.031

2024

Journal - Research Article

Bhattacharjee, T., Petherick, R., Harris, P., & Duncan, W. (2024). Postmortem interval determination in excised porcine skin using a novel ultrasound-based elasticity measurement device. International Journal of Legal Medicine. doi: 10.1007/s00414-024-03382-1

Abdelmoneim, D., Coates, D., Porter, G., Schmidlin, P., Li, K. C., Botter, S., Lim, K., & Duncan, W. (2024). In vitro and in vivo investigation of antibacterial silver nanoparticles functionalized bone grafting substitutes. Journal of Biomedical Materials Research Part A. Advance online publication. doi: 10.1002/jbm.a.37757

Al Naasan, Z., Broadbent, J. M., Duncan, W. J., & Smith, M. B. (2024). "I lost my first tooth here": Syrian former refugees' experiences of oral healthcare in Dunedin, New Zealand. New Zealand Medical Journal/Te ara tika o te hauora hapori, 137(1591), 41-48. Retrieved from https://www.nzmj.org.nz/

Abdelmoneim, D., Clark, D. E., Schmidlin, P., Botter, S., Li, K. C., Porter, G. C., Seo, B., & Duncan, W. J. (2024). In vivo healing of low temperature deproteinized bovine bone xenograft in a rabbit cranial model. Journal of Biomedical Materials Research Part A. Advance online publication. doi: 10.1002/jbm.a.37693

Journal - Research Other

Clark, A., & Duncan, W. (2024). Fundamentals to innovation: Forensic research and practice at the Faculty of Dentistry, University of Otago. New Zealand Dental Journal, 120(4), 194-203. [Review].

Duncan, W. J. (2024). Establishment and evolution of the Otago sheep animal models: 40 years of periodontal, implant and bone regeneration research. New Zealand Dental Journal, 120(4), 149-161. [Review].

2023

Journal - Research Article

Safii, S. H., Medlicott, N. J., Milne, T. J., & Duncan, W. J. (2023). Manuka honey as an adjunct to nonsurgical periodontal treatment: A pilot study. Annals of Dentistry, 30, 29-41. doi: 10.22452/adum.vol30no5

Jansen van Vuuren, L., Jansen van Vuuren, W. A., Broadbent, J. M., Duncan, W. J., & Waddell, J. N. (2023). Measurement of tooth displacement. Journal of the Mechanical Behavior of Biomedical Materials, 146, 106059. doi: 10.1016/j.jmbbm.2023.106059

Ram, A., Duncan, W. J., Coates, D. E., Nobakht, S., Tkatchenko, T., & Milne, T. J. (2023). Bone remodelling marker expression in grafted and ungrafted sheep tooth extraction sockets: A comparative randomised study. Archives of Oral Biology, 153, 105738. doi: 10.1016/j.archoralbio.2023.105738

Jin, K., Roessler, D. M., Duncan, W. J., Waddell, J. N., & Coates, D. E. (2023). Practices of personal protective equipment use among final-year dental students: A cross sectional study. New Zealand Dental Journal, 119(1), 19-25.

Elahi, A., Duncan, W., Li, K.-C., Waddell, J. N., & Coates, D. (2023). Comparison of low and high temperature sintering for processing of bovine bone as block grafts for oral use: A biological and mechanical in vitro study. Bioengineering, 10, 473. doi: 10.3390/bioengineering10040473

Abdelmoneim, D., Porter, G., Duncan, W., Lim, K., Easingwood, R., Woodfield, T., & Coates, D. (2023). Three-dimensional evaluation of the cytotoxicity and antibacterial properties of alpha lipoic acid-capped silver nanoparticle constructs for oral applications. Nanomaterials, 13, 705. doi: 10.3390/nano13040705

Nobakht, S., Milne, T. J., Duncan, W. J., Ram, A., Tkatchenko, T., Dong, Z., & Coates, D. E. (2023). Expression of the pleiotrophin–midkine axis in a sheep tooth socket model of bone healing. Journal of Periodontal Research, 58, 109-121. doi: 10.1111/jre.13073

Choi, J. J. E., Chen, J., Choi, Y. J., Moffat, S. M., Duncan, W. J., Waddell, J. N., & Jermy, M. (2023). Dental high-speed handpiece and ultrasonic scaler aerosol generation levels and the effect of suction and air supply. Infection Control & Hospital Epidemiology, 44, 926-933. doi: 10.1017/ice.2022.196

Journal - Research Other

Atieh, M. A., Alsabeeha, N. H., & Duncan, W. (2023). Response to letter to the editor: Re: Stability of tapered and parallel-walled dental implants: A systematic review and meta-analysis. Clinical Implant Dentistry & Related Research, 25(6), 988-989. doi: 10.1111/cid.13252

Conference Contribution - Published proceedings: Abstract

Al Naasan, Z., Duncan, W. J., Broadbent, J. M., & Smith, M. B. (2023). Cultural safety in dental practice for former refugee patients. In T. Milne, M. Anwar, L. Burga, H. Harcombe, M. Garelja, A. Middleton, D. C. Ribeiro, N. Fleming, K. Ogbuehi & A. Bahn (Eds.), Proceedings of the 266th Otago Medical School Research Society (OMSRS) Meeting: Research Staff Speaker Awards. Dunedin, New Zealand: OMSRS. Retrieved from https://ourarchive.otago.ac.nz/handle/10523/12839

Conference Contribution - Verbal presentation and other Conference outputs

Elahi, A., Duncan, W., Li, K. C., & Coates, D. (2023, July). Supercritical carbon dioxide processing with enzymatic post-treatment to yield mechanically and biologically optimal animal-derived bone block grafts for oral application. Verbal presentation at the Faculty of Dentistry Clinical and Research Excellence Symposium, Dunedin, New Zealand.

Abdelmoneim, D., Porter, G., Duncan, W., Lim, K., Easingwood, R., Woodfield, T., & Coates, D. (2023, July). Three-dimensional evaluation of the cytotoxicity and antibacterial properties of alpha lipoic acid-capped silver nanoparticle constructs for oral applications. Verbal presentation at the Faculty of Dentistry Clinical and Research Excellence Symposium, Dunedin, New Zealand.

Jansen van Vuuren, L., Broadbent, J. M., Duncan, W. J., Jansen van Vuuren, W. A., & Waddell, J. N. (2023, July). Dental occlusal stress. Verbal presentation at the Faculty of Dentistry Clinical and Research Excellence Symposium, Dunedin, New Zealand.

2022

Journal - Research Article

Loh, J. Y., Lim, R. Y. M., Broadbent, J. M., & Duncan, W. J. (2022). Employer and graduate perceptions of the competency of University of Otago dental graduates. New Zealand Dental Journal, 118(2), 51-57.

Al Naasan, Z., Broadbent, J. M., Duncan, W. J., & Smith, M. B. (2022). Perceptions of tailored oral health education resources among former refugees. New Zealand Dental Journal, 118(3), 104-109.

Al Naasan, Z., Broadbent, J., Smith, M., & Duncan, W. (2022). Evaluation of a tailored oral health promotion intervention for Syrian former refugees in New Zealand. Health Promotion International, 37(4). doi: 10.1093/heapro/daac132

Duncan, W. J., Ma, S., Siddiqi, A., & Osman, R. B. (2022). Zirconia versus titanium implants: 8-year follow-up in a patient cohort contrasted with histological evidence from a preclinical animal model. Materials, 15(15), 5322. doi: 10.3390/ma15155322

Abdelmoneim, D., Porter, G. C., Coates, D. E., Duncan, W. J., Waddell, J. N., Hammer, N., & Li, K. C. (2022). The effect of low-processing temperature on the physicochemical and mechanical properties of bovine hydroxyapatite bone substitutes. Materials, 15, 2798. doi: 10.3390/ma15082798

Porter, G. C., Abdelmoneim, D., Li, K. C., Duncan, W. J., & Coates, D. E. (2022). The effect of low-temperature thermal processing on bovine hydroxyapatite bone substitutes, toward bone cell interaction and differentiation. Materials, 15, 2504. doi: 10.3390/ma15072504

Goh, R., Tawse-Smith, A., Atieh, M., Duncan, W., Ma, S., & Li, K. C. (2022). The effect of implantoplasty on dental implant fracture resistance: A systematic review. IIUM Journal of Orofacial & Health Sciences, 3(1), 124-135. doi: 10.31436/ijohs.v3i1.113

Zwirner, J., & Duncan, W. (2022). A disaster victim identification workshop focused on forensic odontology using embalmed human remains. International Journal of Legal Medicine, 136, 1801-1809. doi: 10.1007/s00414-022-02790-5

Duncan, W. J., & Coates, D. E. (2022). Meeting the challenges and clinical requirements for dental regeneration: The New Zealand experience. Bone, 154, 116181. doi: 10.1016/j.bone.2021.116181

Conference Contribution - Published proceedings: Abstract

Elahi, A., Duncan, W., Li, K. C., Waddell, J. N., Meledandri, C., & Coates, D. (2022). Development of optimised sintered bovine block for oral grafting: Physio-chemical, mechanical and biological characterisation. Proceedings of the ANZBMS, MEPSA, and ANZORS Combined Annual Scientific Meeting. 203. Retrieved from https://www.anzbms.org.au/

Al Naasan, Z., Duncan, W., Broadbent, J., & Smith, M. (2022). Cultural safety in dental practice for former refugee patients. New Zealand Dental Journal, 118(4), (pp. 173). [Abstract]

Abdelmoneim, D., Duncan, W., Li, K. C., Porter, G., Lim, K., & Coates, D. (2022). In vitro and in vivo investigation of antibacterial bone regenerative scaffolds. New Zealand Dental Journal, 118(4), (pp. 168). [Abstract]

Guise, N., Broadbent, J., Li, K. C., Duncan, W., & Clark, A. (2022). Expanding the dentist's toolkit: Reproducing complex forensic trauma in a 3D format. New Zealand Dental Journal, 118(4), (pp. 165-166). [Abstract]

Conference Contribution - Verbal presentation and other Conference outputs

Abdelmoneim, D., Duncan, W. J., Li, K. C., Porter, G. C., & Coates, D. E. (2022, September). Silverbone: In vitro and in vivo investigation of antibacterial bone regenerative scaffolds. Verbal presentation at the Postgraduate & Early Career Researchers Committee (PERC) & Division of Health Sciences Early & Mid-Career Researcher (EMCR) Joint Research Symposium, Dunedin, New Zealand.

2021

Journal - Research Article

Naung, N. Y., Duncan, W. J., De Silva, R. K., & Coates, D. E. (2021). HGF/MET in osteogenic differentiation of primary human palatal periosteum-derived mesenchymal stem cells. Journal of Oral Science, 63(4), 341-346. doi: 10.2334/josnusd.21-0164

Choi, J. J. E., Plaksina, P., Foster Page, L., Waddell, J. N., & Duncan, W. J. (2021). A novel tooth-colored crown system to treat dental caries in children: Development and validation. New Zealand Dental Journal, 117(2), 55-65.

Porter, G. C., Duncan, W. J., Abdelmoneim, D., Easingwood, R. A., & Coates, D. E. (2021). Endocytosed silver nanoparticles degrade in lysosomes to form secondary nanoparticle structures during expression of autophagy genes in osteogenic cells. Nanomedicine, 33, 102355. doi: 10.1016/j.nano.2020.102355

Porter, G. C., Safii, S. H., Medlicott, N. J., Duncan, W. J., Tompkins, G. R., & Coates, D. E. (2021). Formulation of a semisolid emulsion containing Leptospermum scoparium essential oil and evaluation of in vitro antimicrobial and antibiofilm efficacy. Planta Medica, 87, 253-266. doi: 10.1055/a-1330-8765

Sharma, A., Waddell, J. N., Li, K. C., Sharma, L. A., Prior, D. J., & Duncan, W. J. (2021). Is titanium–zirconium alloy a better alternative to pure titanium for oral implant? Composition, mechanical properties, and microstructure analysis. Saudi Dental Journal, 33, 546-553. doi: 10.1016/j.sdentj.2020.08.009

Loch, C., Jansen van Vuuren, L., Duncan, W. J., Boyd, D. H., & Foster Page, L. A. (2021). Ultrastructure and properties of primary carious molars treated using the Hall Technique. International Journal of Paediatric Dentistry, 31(3), 290-298. doi: 10.1111/ipd.12681

Conference Contribution - Published proceedings: Abstract

Kao, A., Tawse-Smith, A., Ma, S., Duncan, W., & Reid, M. (2021). Titanium particulate release from mechanical surface instrumentation of titanium discs. Clinical Oral Implants Research, 32(22), (pp. 93). doi: 10.1111/clr.24_13856

Elahi, A., Duncan, W., Coates, D., Waddell, N., & Meledandri, C. (2021). Mechanical and biological validation of sintered bovine bone block grafts. Proceedings of the University of Otago Student Research Symposium: Te Wānaka Rakahau: Ākoka. (pp. 27). [Abstract]

2020

Journal - Research Article

Jansen van Vuuren, L., Jansen van Vuuren, W. A., Broadbent, J. M., Duncan, W. J., & Waddell, J. N. (2020). Development of a bite force transducer for measuring maximum voluntary bite forces between individual opposing tooth surfaces. Journal of the Mechanical Behavior of Biomedical Materials, 109, 103846. doi: 10.1016/j.jmbbm.2020.103846

Jansen van Vuuren, L., Broadbent, J. M., Duncan, W. J., & Waddell, J. N. (2020). Maximum voluntary bite force, occlusal contact points and associated stresses on posterior teeth. Journal of the Royal Society of New Zealand, 50(1), 132-143. doi: 10.1080/03036758.2019.1691612

Sheftel, Y., Ruddiman, F., Schmidlin, P., & Duncan, W. (2020). Biphasic calcium phosphate and polymer-coated bovine bone matrix for sinus grafting in an animal model. Journal of Biomedical Materials Research Part B, 108B, 750-759. doi: 10.1002/jbm.b.34429

Journal - Research Other

Coates, D. E., Alansary, M., Friedlander, L., Zanicotti, D. G., & Duncan, W. J. (2020). Dental pulp stem cells in serum-free medium for regenerative medicine. Journal of the Royal Society of New Zealand, 50(1), 80-90. doi: 10.1080/03036758.2019.1673447

Conference Contribution - Published proceedings: Full paper

Duncan, W., Coates, D. E., Li, K. C., Schmidlin, P. R., Liu, J., Cotton, G., … Elahi, A., Gee, C., & Waddell, N. (2020). Novel grafting materials for bone regeneration. In P. M. Bartold & T. B. T. Ali (Eds.), Proceedings of the Asian Pacific Society of Periodontology. (pp. 81-88). Adelaide Australia: Asian Pacific Society of Periodontology. [Full Paper]

2019

Journal - Research Article

Snoddy, A. M. E., Buckley, H. R., King, C. L., Kinaston, R. L., Nowell, G., Gröcke, D. R., Duncan, W. J., & Petchey, P. (2019). "Captain of All These Men of Death": An integrated case study of tuberculosis in nineteenth-century Otago, New Zealand. Bioarchaeology International, 3(4). doi: 10.5744/bi.2019.1014

Cotton, G. C., Gee, C., Jude, A., Duncan, W. J., Abdelmoneim, D., & Coates, D. (2019). Efficacy and safety of alpha lipoic acid-capped silver nanoparticles for oral applications. RSC Advances, 9(12), 6973-6985. doi: 10.1039/c9ra00613c

Ma, S., Tawse-Smith, A., Brown, S. D. K., & Duncan, W. (2019). Immediately restored single implants in the aesthetic zone of the maxilla using a novel design: 5-year results from a prospective single-arm clinical trial. Clinical Implant Dentistry & Related Research, 21, 344-351. doi: 10.1111/cid.12733

Atieh, M. A., Pang, J. K., Lian, K., Wong, S., Tawse-Smith, A., Ma, S., & Duncan, W. J. (2019). Predicting peri-implant disease: Chi-squared automatic interaction detection (CHAID) decision tree analysis of risk indicators. Journal of Periodontology, 90, 834-846. doi: 10.1002/jper.17-0501

Naung, N. Y., Duncan, W., De Silva, R., & Coates, D. (2019). Localization and characterization of human palatal periosteum stem cells in serum-free, xeno-free medium for clinical use. European Journal of Oral Sciences, 127, 99-111. doi: 10.1111/eos.12603

Conference Contribution - Published proceedings: Abstract

Jansen Van Vuuren, L., Broadbent, J., Duncan, W., & Waddell, N. (2019). Worst case occlusal stresses experienced by teeth and restorations. Journal of Dental Research, 98(A), 0648. Retrieved from https://iadr.abstractarchives.com

Jude, A., Gee, C., Cotton, G., Duncan, W., Safil, S., & Coates, D. (2019). Nanosilver as an antimicrobial for grafting materials and its cytotoxicity on human gingival fibroblasts in vitro. New Zealand Medical Journal, 132(1499), (pp. 87-88). Retrieved from https://www.nzma.org.nz/journal

Conference Contribution - Verbal presentation and other Conference outputs

Abdelmoneim, D., Cotton, G. C., Duncan, W. J., Jude, A., Gee, C., & Coates, D. E. (2019, August-September). Efficacy and safety of alpha lipoic acid-capped silver nanoparticles for oral application. Verbal presentation at the Queenstown Molecular Biology (QMB) Meetings, Queenstown, New Zealand.

Coates, D. E., Alansary, M., Dong, Z., Godoy Zanicotti, D., Naung, N. Y., & Duncan, W. J. (2019, August-September). Stem cells for regenerative medicine in dentistry. Verbal presentation at the Queenstown Molecular Biology (QMB) Meetings, Queenstown, New Zealand.

Duncan, W. J. (2019, August-September). Regeneration for dental implant therapy: Clinical requirements and preclinical models. Verbal presentation at the Queenstown Molecular Biology (QMB) Meetings, Queenstown, New Zealand.

2018

Journal - Research Article

Zanicotti, D. G., Duncan, W. J., Seymour, G. J., & Coates, D. E. (2018). Effect of titanium surfaces on the osteogenic differentiation of human adipose-derived stem cells. International Journal of Oral & Maxillofacial Implants, 33(3), e77-e87. doi: 10.11607/jomi.5810

Duncan, W. J., Greer, P. F. C., Lee, M.-H., Loch, C., & Gay, J. H. A. (2018). Wool-derived keratin hydrogel enhances implant osseointegration in cancellous bone. Journal of Biomedical Materials Research Part B, 106(6), 2447-2454. doi: 10.1002/jbm.b.34047

Atieh, M. A., Alsabeeha, N. H. M., Tawse-Smith, A., & Duncan, W. J. (2018). Piezoelectric versus conventional implant site preparation: A systematic review and meta-analysis. Clinical Implant Dentistry & Related Research, 20(2), 261-270. doi: 10.1111/cid.12555

Smith, M. M., Duncan, W. J., & Coates, D. E. (2018). Attributes of Bio-Oss^® and Moa-Bone^® graft materials in a pilot study using the sheep maxillary sinus model. Journal of Periodontal Research, 53(1), 80-90. doi: 10.1111/jre.12490

Journal - Research Other

Brooks, T., Choi, J. E., Garnich, M., Hammer, N., Waddell, J. N., Duncan, W., & Jermy, M. (2018). Finite element models and material data for analysis of infant head impacts. Heliyon, 4(12), e01010. doi: 10.1016/j.heliyon.2018.e01010

Atieh, M. A., Alsabeeha, N., & Duncan, W. J. (2018). Stability of tapered and parallel-walled dental implants: A systematic review and meta-analysis. Clinical Implant Dentistry & Related Research, 20(4), 634-645. doi: 10.1111/cid.12623

Conference Contribution - Published proceedings: Full paper

Duncan, W., Loch Santos da Silva, C., Cotton, G., Sharma, A., Tompkins, G., Schwass, D., & Meledandri, C. (2018). Development of a novel animal model for testing antimicrobial agents against periodontitis and peri-implantitis. In P. M. Bartold & Y. Ku (Eds.), Contemporary concepts in periodontology & implant dentistry. (pp. 77-95). Adelaide, Australia: Asian Pacific Society of Periodontology. [Full Paper]

Conference Contribution - Published proceedings: Abstract

Coates, D. E., Zanicotti, D. G., Dong, Z., Naung, N. Y., Alansary, M., Milne, T. J., & Duncan, W. J. (2018). Regulation and control of stem cells. New Zealand Dental Journal, 114(4), (pp. 184). [Abstract]

Bhattacharjee, T. T., Li, K. C., Sinno, I., Harris, P., Petherick, R., Waddell, N., & Duncan, W. J. (2018). Tissue elasticity measurements using Ultra3D device. New Zealand Dental Journal, 114(4), (pp. 183). [Abstract]

Conference Contribution - Verbal presentation and other Conference outputs

Duncan, W. (2018, April). Oral bone regeneration at Te Kaupeka Pūniho - New Zealand's National Centre for Dentistry. Verbal presentation at the University of Otago Centre for Bioengineering & Nanomedicine Symposium: Biomaterials and Regenerative Medicine, Dunedin, New Zealand.

2017

Journal - Research Article

Atieh, M. A., Tawse-Smith, A., Alsabeeha, N. H. M., Ma, S., & Duncan, W. J. (2017). The one abutment-one time protocol: A systematic review and meta-analysis. Journal of Periodontology, 88(11), 1173-1185. doi: 10.1902/jop.2017.170238

Safii, S. H., Tompkins, G. R., & Duncan, W. J. (2017). Periodontal application of Manuka honey: Antimicrobial and demineralising effects In Vitro. International Journal of Dentistry, 2017, 9874535. doi: 10.1155/2017/9874535

Tawse-Smith, A., Ma, S., Duncan, W. J., Gray, A., Reid, M. R., & Rich, A. M. (2017). Implications of wear at the titanium-zirconia implant-abutment interface on the health of peri-implant tissues. International Journal of Oral & Maxillofacial Implants, 32(3), 599-609. doi: 10.11607/jomi.5014

Godoy Zanicotti, D., Coates, D. E., & Duncan, W. J. (2017). In vivo bone regeneration on titanium devices using serum-free grown adipose-derived stem cells, in a sheep femur model. Clinical Oral Implants Research, 28(1), 64-75. doi: 10.1111/clr.12761

Conference Contribution - Published proceedings: Abstract

Sheftel, Y., Leichter, J., Schmidlin, P. R., & Duncan, W. J. (2017). Xenogenic and alloplastic materials for sinus floor elevation: A sheep study. New Zealand Dental Journal, 113(4), (pp. 59). [Abstract]

Duncan, W., Loch Santos da Silva, C., Cotton, G., Tompkins, G., Schwass, D., & Meledandri, C. (2017). Development of a novel animal model for testing antimicrobial agents against periodontitis and peri-implantitis. New Zealand Dental Journal, 113(4), (pp. 58-59). [Abstract]

Cotton, G. C., Duncan, W. J., & Meledandri, C. J. (2017). An antimicrobial silver nanoparticle gel for treatment and prevention of dental disease: In vitro and in vivo results [Keynote speaker]. Proceedings of the 8th International Conference on Advanced Materials and Nanotechnology (AMN8). (pp. 47). Retrieved from http://confer.co.nz/amn8/

Grimm, W.-D., Didenko, N., Duncan, W., Fritsch, T., Giesenhagen, B., Hakki, S., … Sirak, S. (2017). Osteoporotic sheep mandibular model for comparative dental implant research. Journal of Dental Research, 96(Spec. Iss. A), 2369. Retrieved from http://www.iadr.org

Naung, N., Duncan, W., De Silva, R., Seymour, G., & Coates, D. (2017). Palatal periosteum derived mesenchymal stem cells cultured in serum and xeno-free medium. International Journal of Oral & Maxillofacial Surgery, 46, Suppl. 1, (pp. 211). doi: 10.1016/j.ijom.2017.02.718

Conference Contribution - Verbal presentation and other Conference outputs

Duncan, W., & Salis, S. (2017, July). S.O.S: My implant needs rescuing! Invited presentation at the Faculty of Dentistry Clinical Excellence Day, Dunedin, New Zealand.

2016

Journal - Research Article

Siddiqi, A., Duncan, W. J., De Silva, R. K., & Zafar, S. (2016). One-piece zirconia ceramic versus titanium implants in the jaw and femur of a sheep model: A pilot study. BioMed Research International, 2016, 6792972. doi: 10.1155/2016/6792972

Atieh, M. A., Duncan, W. J., & Faggion, C. M. (2016). Quality assessment of systematic reviews on oral implants placed immediately into fresh extraction sockets. International Journal of Oral & Maxillofacial Implants, 31(2), 338-351. doi: 10.11607/jomi.4109

Broadbent, J. M., Singh, J. K., Masri, N. S., Tong, D. C., & Duncan, W. J. (2016). Oral health of New Zealand service personnel in WW1. New Zealand Dental Journal, 112(1), 10-14.

Sharma, A., McQuillan, A. J., Shibata, Y., Sharma, L. A., Waddell, J. N., & Duncan, W. J. (2016). Histomorphometric and histologic evaluation of titanium-zirconium (aTiZr) implants with anodized surfaces. Journal of Materials Science: Materials in Medicine, 27(5), 86. doi: 10.1007/s10856-016-5695-4

Duncan, W. J., Gay, J. H. A., Lee, M.-H., Bae, T.-S., Lee, S.-J., & Loch, C. (2016). The effect of hydrothermal spark discharge anodization in the early integration of implants in sheep sinuses. Clinical Oral Implants Research, 27(8), 975-980. doi: 10.1111/clr.12741

Parton, A. L., Duncan, W. J., Oliveira, M. E., Key, O., & Farella, M. (2016). Implant-based three-dimensional superimposition of the growing mandible in a rabbit model. European Journal of Orthodontics, 38(5), 546-552. doi: 10.1093/ejo/cjv085

Ohlrich, E. J., Coates, D. E., Cullinan, M. P., Milne, T. J., Zafar, S., Zhao, Y., Duncan, W. J., & Seymour, G. J. (2016). The bisphosphonate zoledronic acid regulates key angiogenesis-related genes in primary human gingival fibroblasts. Archives of Oral Biology, 63, 7-14. doi: 10.1016/j.archoralbio.2015.11.013

Liu, J., Schmidlin, P. R., Philipp, A., Hild, N., Tawse-Smith, A., & Duncan, W. (2016). Novel bone substitute material in alveolar bone healing following tooth extraction: An experimental study in sheep. Clinical Oral Implants Research, 27(7), 762-772. doi: 10.1111/clr.12673

Tawse-Smith, A., Atieh, M. A., Tompkins, G., Duncan, W. J., Reid, M. R., & Stirling, C. H. (2016). The effect of piezoelectric ultrasonic instrumentation on titanium discs: A microscopy and trace elemental analysis in vitro study. International Journal of Dental Hygiene, 14(3), 191-201. doi: 10.1111/idh.12142

Atieh, M. A., Morgaine, K. C., & Duncan, W. J. (2016). A qualitative analysis on participants' perspectives on oral implants. Clinical Oral Implants Research, 27(3), 383-391. doi: 10.1111/clr.12558

Conference Contribution - Published proceedings: Full paper

Duncan, W. J. (2016). Peri-implant bone: Preservation or reconstruction? In P. M. Bartold & Y. Kemal (Eds.), Proceedings of the 11th Asian Pacific Society of Priodontology Meeting: Current Issues in Periodontics. (pp. 140-149). Adelaide, Australia: Asian Pacifi c Society of Periodontology. [Full Paper]

Conference Contribution - Published proceedings: Abstract

Cotton, G. C., Schwass, D. R., Duncan, W. J., Tompkins, G. R., & Meledandri, C. J. (2016). Synthesis of an antimicrobial mucoadhesive silver nanoparticle hydrogel for periodontal treatment. Proceedings of the Diagnostics, Drugs, Devices, Discovery (D4) Conference. Retrieved from http://www.otago.ac.nz/d4/index.html

Naung, N., Duncan, W., De Silva, R., Seymour, G., & Coates, D. (2016). Localization, quantification and characterization of palatal periosteum-derived mesenchymal stem cells. Journal of Dental Research, 95(Spec Iss B), 1878. Retrieved from http://www.iadr.org/

Khimovich, L., Leichter, J., Schmidlin, P., & Duncan, W. (2016). Equine-collagen products for alveolar ridge preservation in the sheep model. Journal of Dental Research, 95(Spec Iss B), 1727. Retrieved from http://www.iadr.org/

Duncan, W., Siddiqi, A., & Gay, J. (2016). Saline or Argon-gas passivation enhances osseointegration of unloaded blasted-surface implants. Journal of Dental Research, 95(Spec Iss B), 0469. Retrieved from http://www.iadr.org/

Cotton, G. C., Schwass, D. R., Tompkins, G. R., Duncan, W. J., & Meledandri, C. J. (2016). Silver nanoparticle-based hydrogel for treatment of periodontal disease. Proceedings of the Sir John Walsh Research Institute Research Symposium. (pp. 15). Retrieved from http://www.otago.ac.nz/sjwri/news/otago621026

Safii, S., Duncan, W., Tompkins, G., & Medlicott, N. (2016). Effect of medical-grade manuka honey on dental plaque-associated bacteria and hydroxyapatite beads in vitro. Proceedings of the Sir John Walsh Research Institute Research Symposium. (pp. 13-14). Retrieved from http://www.otago.ac.nz/sjwri/news/otago621026

Lander, L., Leichter, J., Schmidlin, P. R., & Duncan, W. J. (2016). Alveolar ridge preservation in the sheep model. Proceedings of the Sir John Walsh Research Institute Research Symposium. (pp. 9). Retrieved from http://www.otago.ac.nz/sjwri/news/otago621026

Loch, C., Jansen van Vuuren, L., Duncan, W., Boyd, D., & Foster Page, L. (2016). From the laboratory to clinical practice and back: Ultrastructure and properties of carious deciduous teeth treated using the Hall Technique. Proceedings of the Sir John Walsh Research Institute Research Symposium. (pp. 8). Retrieved from http://www.otago.ac.nz/sjwri/news/otago621026

Duncan, W. (2016). Preclinical model, clinical question. Proceedings of the Sir John Walsh Research Institute Research Symposium. (pp. 7). Retrieved from http://www.otago.ac.nz/sjwri/news/otago621026

2015

Journal - Research Article

Atieh, M. A., Alsabeeha, N. H. M., Payne, A. G. T., Duncan, W., Faggion, C. M., & Esposito, M. (2015). Interventions for replacing missing teeth: Alveolar ridge preservation techniques for dental implant site development (Review). Cochrane Database of Systematic Reviews, 5, CD010176. doi: 10.1002/14651858.CD010176.pub2

Atieh, M. A., Alsabeeha, N. H. M., Tawse-Smith, A., Faggion, C. M., & Duncan, W. J. (2015). Piezoelectric surgery vs rotary instruments for lateral maxillary sinus floor elevation: A systematic review and meta-Analysis of intra- and postoperative complications. International Journal of Oral & Maxillofacial Implants, 30(6), 1262-1271. doi: 10.11607/jomi.3895

Sharma, A., McQuillan, A. J., Sharma, L. A., Waddell, J. N., Shibata, Y., & Duncan, W. J. (2015). Spark anodization of titanium-zirconium alloy: Surface characterization and bioactivity assessment. Journal of Materials Science: Materials in Medicine, 26(8), 221. doi: 10.1007/s10856-015-5555-7

Duncan, W. J., Lee, M.-H., Bae, T.-S., Lee, S.-J., Gay, J., & Loch, C. (2015). Anodisation increases integration of unloaded titanium implants in sheep mandible. BioMed Research International, 2015, 85969. doi: 10.1155/2015/857969

Lindström, A.-C., Hoogewerff, J., Athens, J., Obertova, Z., Duncan, W., Waddell, N., & Kieser, J. (2015). Gunshot residue preservation in seawater. Forensic Science International, 253, 103-111. doi: 10.1016/j.forsciint.2015.05.021

Tiu, J., Al-Amleh, B., Waddell, J. N., & Duncan, W. J. (2015). Reporting numeric values of complete crowns: Part 1: Clinical preparation parameters. Journal of Prosthetic Dentistry, 114(1), 67-74. doi: 10.1016/j.prosdent.2015.01.006

Tiu, J., Al-Amleh, B., Waddell, J. N., & Duncan, W. J. (2015). Reporting numeric values of complete crowns: Part 2: Retention and resistance theories. Journal of Prosthetic Dentistry, 114, 75-80. doi: 10.1016/j.prosdent.2015.01.007

Tiu, J., Al-Amleh, B., Waddell, J. N., & Duncan, W. J. (2015). Clinical tooth preparations and associated measuring methods: A systematic review. Journal of Prosthetic Dentistry, 113(3), 175-184. doi: 10.1016/j.prosdent.2014.09.007

de Castro, T. C., Taylor, M. C., Kieser, J. A., Carr, D. J., & Duncan, W. (2015). Systematic investigation of drip stains on apparel fabrics: The effects of prior-laundering, fibre content and fabric structure on final stain appearance. Forensic Science International, 250, 98-109. doi: 10.1016/j.forsciint.2015.03.004

Baharuddin, N. A., Coates, D. E., Cullinan, M., Seymour, G., & Duncan, W. (2015). Localization of RANK, RANKL and osteoprotegerin during healing of surgically created periodontal defects in sheep. Journal of Periodontal Research, 50(2), 211-219. doi: 10.1111/jre.12196

Siddiqi, A., Kieser, J. A., De Silva, R. K., Thomson, W. M., & Duncan, W. J. (2015). Soft and hard tissue response to zirconia versus titanium one-piece implants placed in alveolar and palatal sites: A randomized control trial. Clinical Implant Dentistry & Related Research, 17(3), 483-496. doi: 10.1111/cid.12159

Conference Contribution - Published proceedings: Abstract

Duncan, W. (2015). Titanotherapy! Dental implants & supporting technologies: From animal models to human treatment. Proceedings of the Diagnostic Drug Device Discovery (D4) Conference. Retrieved from https://www.regonline.com.au/builder/site/Default.aspx?EventID=1758070

Tiu, J., Al-Amleh, B., Waddell, J. N., Duncan, W., Zhang, Z., Li, Q., & Swain, M. (2015). Experimental and numerical analysis of convergence angles in crown preparations. Journal of Dental Research, 94(Spec Iss B), 2327370. Retrieved from http://www.iadr.org/

Siddiqi, A., Duncan, W., Zafar, S., & De Silva, R. (2015). Histomorphometric analysis of zirconia implants in the jaw of sheep. Journal of Dental Research, 94(Spec Iss B), 2338298. Retrieved from http://www.iadr.org/

Sharma, A., Duncan, W., McQuillan, J., Shibata, Y., & Waddell, J. N. (2015). Effect of anodized titanium-zirconium implants on osseointegration: A sheep study. Journal of Dental Research, 94(Spec Iss B), 2338388. Retrieved from http://www.iadr.org/

Safii, S. H., Tompkins, G. R., Duncan, W., English, H. K., & Schmidlin, P. R. (2015). Antimicrobial effect of medical-grade manuka honey against oral bacteria in vitro. Journal of Dental Research, 94(Spec Iss B), 2335386. Retrieved from http://www.iadr.org/

Loch, C., Jansen van Vuuren, L., Boyd, D., Duncan, W., & Foster Page, L. (2015). Ultrastructure and properties of teeth treated using the Hall Technique. Journal of Dental Research, 94(Spec Iss B), 2338520. Retrieved from http://www.iadr.org/

Conference Contribution - Poster Presentation (not in published proceedings)

Tawse-Smith, A., Ma, S., Duncan, W. J., Swain, M. V., & Rich, A. M. (2015, November-December). Wear at the titanium-zirconia implant-abutment interfaces. Poster session presented at the 91st Annual Greater New York Dental Meeting (GNYDM), New York, NY.

Other Research Output

Duncan, W. (2015, July). Surfaces, screws, smiles: Translational research with dental implants. University of Otago, Dunedin, New Zealand. [Inaugural Professorial Lecture].

2014

Journal - Research Article

Tawse-Smith, A., Khosa, A., Kamel, M. S., Duncan, W. J., Swain, M., & Tompkins, G. (2014). Bacterial colonization of titanium discs: A pilot study for evaluating implant surface deterioration. Brazilian Journal of Periodontology, 24(1), 14-23.

Campbell, D. I., & Duncan, W. J. (2014). The effect of a keratin hydrogel coating on osseointegration: An histological comparison of coated and non-coated dental titanium implants in an ovine model. Journal of Maxillofacial & Oral Surgery, 13(2), 159-164. doi: 10.1007/s12663-013-0482-y

Osman, R. B., Swain, M. V., Atieh, M., Ma, S., & Duncan, W. (2014). Ceramic implants (Y-TZP): Are they a viable alternative to titanium implants for the support of overdentures? A randomized clinical trial. Clinical Oral Implants Research, 25(12), 1366-1377. doi: 10.1111/clr.12272

Philipp, A., Duncan, W., Roos, M., Hämmerle, C. H., Attin, T., & Schmidlin, P. R. (2014). Comparison of SLA^® or SLActive^® implants placed in the maxillary sinus with or without synthetic bone graft materials: An animal study in sheep. Clinical Oral Implants Research, 25(10), 1142-1148. doi: 10.1111/clr.12255

Osman, R. B., Morgaine, K. C., Duncan, W., Swain, M. V., & Ma, S. (2014). Patients’ perspectives on zirconia and titanium implants with a novel distribution supporting maxillary and mandibular overdentures: A qualitative study. Clinical Oral Implants Research, 25(5), 587-597. doi: 10.1111/clr.12106

Atieh, M. A., Alsabeeha, N. H. M., Payne, A. G. T., de Silva, R. K., Schwass, D. R., & Duncan, W. J. (2014). The prognostic accuracy of resonance frequency analysis in predicting failure risk of immediately restored implants. Clinical Oral Implants Research, 25(1), 29-35. doi: 10.1111/clr.12057

Siddiqi, A., Kieser, J. A., De Silva, R. K., McNaughton, A., & Duncan, W. J. (2014). Could the median-palate accommodate wide-bodied implants in order to support maxillary over-dentures? A radiomorphometric study of human cadavers. Clinical Oral Implants Research, 25(1), 101-109. doi: 10.1111/clr.12050

Journal - Research Other

Lindström, A.-C., Hung, N. A., Duncan, W., & Kieser, J. (2014). Detection of gunshot residues (GSR) on a self-inflicted gunshot wound. Pathology, 46(3), 260-263. doi: 10.1097/pat.0000000000000083

Kim, I., Oliveira, M. E., Duncan, W. J., Cioffi, I., & Farella, M. (2014). 3D assessment of mandibular growth based on image registration: A feasibility study in a rabbit model. BioMed Research International, 2014, 276128. doi: 10.1155/2014/276128

Conference Contribution - Published proceedings: Full paper

Duncan, W. J. (2014). Modelling bone regeneration in Ovis aries. In P. M. Bartold & T. Nagata (Eds.), Proceedings of the 10th Asian Pacific Society of Priodontology Meeting: The Past, Present and Future of Priodontology. (pp. 68-77). Adelaide, Australia: Asian Pacific Society of Periodontology. [Full Paper]

Conference Contribution - Published proceedings: Abstract

Tiu, J., Al-Amleh, B., Waddell, J. N., & Duncan, W. J. (2014). Evaluating clinical molar preparations: Using the coordinate geometry method. Journal of Dental Research, 93(Spec Iss B), 249. Retrieved from http://www.iadr.org

Sharma, A., Waddell, J. N., McQuillan, J., Sharma, L., & Duncan, W. J. (2014). Surface characteristics and biocompatibility of anodized titanium-zirconium (aTiZr) discs. Journal of Dental Research, 93(Spec Iss B), 1253. Retrieved from http://www.iadr.org

Conference Contribution - Poster Presentation (not in published proceedings)

Tiu, J., Al-Amleh, B., Waddell, N., & Duncan, W. (2014, September). Evaluating clinical molar preparations: Using the coordinate geometry method. Poster session presented at the Division of Health Sciences Research Forum: Learning Different Research Languages, Dunedin, New Zealand.

Conference Contribution - Verbal presentation and other Conference outputs

Duncan, W. (2014, September). From lab to mouth: Some experiences with translational research in dentistry. Verbal presentation at the Division of Health Sciences Research Forum: Learning Different Research Languages, Dunedin, New Zealand.

2013

Journal - Research Article

Siddiqi, A., Kieser, J. A., De Silva, R. K., McNaughton, A., Zafar, S., & Duncan, W. J. (2013). Trabecular bone microarchitecture in the median palate and maxillary premolar alveolar sites of edentulous elderly cadavers. Journal of Oral & Maxillofacial Surgery, 71(11), 1852.e1-1852.e11. doi: 10.1016/j.joms.2013.07.019

Ting, N. A., Broadbent, J. M., & Duncan, W. J. (2013). Dental radiography in New Zealand: Digital versus film. New Zealand Dental Journal, 109(3), 107-114.

Osman, R. B., Payne, A. G. T., Duncan, W., & Ma, S. (2013). Zirconia implants supporting overdentures: A pilot study with novel prosthodontic designs. International Journal of Prosthodontics, 26(3), 277-281. doi: 10.11607/ijp.2903

Loch, C., Duncan, W., Simões-Lopes, P. C., Kieser, J. A., & Fordyce, R. E. (2013). Ultrastructure of enamel and dentine in extant dolphins (Cetacea: Delphinoidea and Inioidea). Zoomorphology, 132(2), 215-225. doi: 10.1007/s00435-012-0180-1

Atieh, M. A., Alsabeeha, N. H. M., Faggion, Jr, C. M., & Duncan, W. J. (2013). The frequency of peri-implant diseases: A systematic review and meta-analysis. Journal of Periodontology, 84(11), 1586-1598. doi: 10.1902/jop.2012.120592

Atieh, M. A., Alsabeeha, N. H. M., Duncan, W. J., de Silva, R. K., Cullinan, M. P., Schwass, D., & Payne, A. G. T. (2013). Immediate single implant restorations in mandibular molar extraction sockets: A controlled clinical trial. Clinical Oral Implants Research, 24(5), 484-496. doi: 10.1111/j.1600-0501.2011.02415.x

Journal - Research Other

Osman, R. B., Ma, S., Duncan, W., De Silva, R. K., Siddiqi, A., & Swain, M. V. (2013). Fractured zirconia implants and related implant designs: Scanning electron microscopy analysis. Clinical Oral Implants Research, 24(5), 592-597. doi: 10.1111/j.1600-0501.2011.02411.x

Conference Contribution - Published proceedings: Abstract

Godoy Zanicotti, D., Coates, D., Seymour, G. J., & Duncan, W. J. (2013). Human adipose-derived stem cells on titanium surfaces. Journal of Dental Research, 92(Spec Iss B), 685. Retrieved from http://www.dentalresearch.org

Siddiqi, A., Kieser, J. A., De Silva, R. K., & Duncan, W. J. (2013). Bone-implant contact of ceramic versus titanium implants: A histomorphometric analysis. Journal of Dental Research, 92(Spec Iss A), 2575. Retrieved from http://www.dentalresearch.org

Liu, J., Philipp, A., Hild, N., Tawse-Smith, A., Schmidlin, P. R., Stark, W. J., & Duncan, W. J. (2013). Novel bone substitute material in a sheep extraction socket model. Journal of Dental Research, 92(Spec Iss A), 801. Retrieved from http://www.dentalresearch.org

Conference Contribution - Poster Presentation (not in published proceedings)

Zanicotti, D. G., Coates, D., Seymour, G., & Duncan, W. (2013, September). Human adipose-derived stem cells on titanium surfaces. Poster session presented at the Division of Health Sciences Research Forum: Foundations for Health: Otago Health Research, Christchurch, New Zealand.

2012

Journal - Research Article

Atieh, M. A., Alsabeeha, N. H. M., Payne, A. G. T., Schwass, D. R., & Duncan, W. J. (2012). Insertion torque of immediate wide-diameter implants: A finite element analysis. Quintessence International, 43(9), e115-e126.

Kim, I., Duncan, W. J., & Farella, M. (2012). Evaluation of mandibular growth using cone-beam computed tomography in a rabbit model: A pilot study. New Zealand Dental Journal, 108(1), 9-12.

Journal - Research Other

Tawse-Smith, A., Ma, S., Siddiqi, A., Duncan, W. J., Girvan, L., & Hussaini, H. M. (2012). Titanium particles in peri-implant tissues: Surface analysis and histologic response [Case series]. Clinical Advances in Periodontics, 2(4), 232-238. doi: 10.1902/cap.2012.110081

Atieh, M. A., Alsabeeha, N. H. M., Payne, A. G. T., Duncan, W., & Esposito, M. (2012). Interventions for replacing missing teeth: Alveolar ridge preservation techniques for oral implant site development (Protocol). Cochrane Database of Systematic Reviews, 11, CD010176. doi: 10.1002/14651858.CD010176

Conference Contribution - Published proceedings: Full paper

Duncan, W. (2012). Maintenance and treatment of peri-implant mucosal diseases in patients with implant supported overdentures. In P. M. Bartold & L. J. Jin (Eds.), Multi-disciplinary management of periodontal disease. (pp. 62-74). Adelaide, Australia: Asian Pacific Society of Periodontology. [Full Paper]

Conference Contribution - Published proceedings: Abstract

Osman, R., Ma, S., Duncan, W., & Swain, M. V. (2012). Zirconia implants: A paradigm shift or passing fad?! Proceedings of the BioMouth Conference. Retrieved from http://www.biomouth.org/

Atieh, M., & Duncan, W. (2012). Evidence-based implant dentistry: The Otago model. Proceedings of the 20th Cochrane Colloquium. Retrieved from http://2012.colloquium.cochrane.org/

Philipp, A., Duncan, W., Attin, T., Hämmerle, C., & Schmidlin, P. (2012). Evaluation of SLActive implants in grafted and non grafted sheep sinuses. Clinical Oral Implants Research, 23(Suppl. 7), (pp. 16). doi: 10.1111/clr.12015

Duncan, W. J., Lee, M., Bae, T. S., & Gay, J. H. A. (2012). Osseointegration in a sheep femur model of blasted-surface implants following spark-discharge oxidisation. Journal of Clinical Periodontology, 39(Suppl. 13), (pp. 209-210). doi: 10.1111/j.1600-051x-2012.01891.x

Siddiqi, A., Duncan, W., Kieser, J., & De Silva, R. K. (2012). A comparison of trabecular bone micro-architecture in the median palate and maxillary premolar alveolar sites of edentulous elderly cadavers: A radiomorphometric study. New Zealand Dental Journal, 108(4), (pp. 149-150). [Abstract]

Kim, I., De Oliveira, M. E., Duncan, W., & Farella, M. (2012). Mandibular growth in 3D: CBCT analysis in a rabbit model. Journal of Dental Research, 91(Spec Iss B), 2936. Retrieved from http://www.dentalresearch.org

Conference Contribution - Verbal presentation and other Conference outputs

Kieser, J., Pienaar, J., Lindstrom, A.-C., Duncan, W., & Kieser, D. (2012, August). Wound ballistic research: A morphoscopic approach. Verbal presentation at the Inaugural Wound Ballistics Symposium, Shrivenham, United Kingdom.

2011

Journal - Research Article

Kieser, J. A., He, L. H., Dean, M. C., Jones, M. E., Duncan, W. J., Swain, M. V., & Nelson, N. J. (2011). Structure and compositional characteristics of caniniform dental enamel in the tuatara Sphenodon punctatus (Lepidosauria: Rhynchocephalia). New Zealand Dental Journal, 107(2), 44-50.

Bai, Y., Park, I. S., Park, H. H., Lee, M. H., Bae, T. S., Duncan, W., & Swain, M. (2011). The effect of annealing temperatures on surface properties, hydroxyapatite growth and cell behaviors of TiO₂ nanotubes. Surface & Interface Analysis, 43(6), 998-1005. doi: 10.1002/sia.3683

Kieser, J. A., Tahere, J., Agnew, C., Kieser, D. C., Duncan, W., Swain, M. V., & Reeves, M. T. (2011). Morphoscopic analysis of experimentally produced bony wounds from low-velocity ballistic impact. Forensic Science, Medicine & Pathology, 7(4), 322-332. doi: 10.1007/s12024-011-9240-y

Bai, Y., Park, I. S., Lee, S. J., Bae, T. S., Duncan, W., Swain, M., & Lee, M. H. (2011). One-step approach for hydroxyapatite-incorporated TiO2 coating on titanium via a combined technique of micro-arc oxidation and electrophoretic deposition. Applied Surface Science, 257(15), 7010-7018. doi: 10.1016/j.apsusc.2011.03.058

Siddiqi, A., Payne, A. G. T., De Silva, R. K., & Duncan, W. J. (2011). Titanium allergy: Could it affect dental implant integration? Clinical Oral Implants Research, 22(7), 673-680. doi: 10.1111/j.1600-0501.2010.02081.x

Conference Contribution - Published proceedings: Abstract

Kim, I., Duncan, W. J., Elias De Oliveira, M., & Farella, M. (2011). Evaluation of mandibular growth using CBCT in a rabbit model. Journal of Dental Research, 90(Spec Iss B), 154654. Retrieved from http://www.dentalresearch.org

Smith, M., Duncan, W., Coates, D., Tawse-Smith, A., Leichter, J., & Rich, A. (2011). Two bovine xenografts compared in the sheep maxillary sinus model. New Zealand Dental Journal. 107, (pp. 133). [Abstract]

Smith, M., Coates, D., & Duncan, W. (2011). Two bovine xenografts compared in the sheep maxillary sinus model. Journal of Dental Research, 90(Spec Iss A), 2683. Retrieved from http://www.dentalresearch.org

Kim, R. W., Duncan, W. J., Coates, D., Milne, T., Cullinan, M., Tawse-Smith, A., & Leichter, J. (2011). Wnt expression during early osseointegration of titanium dental implants. Journal of Dental Research, 90(Spec Iss A), 2687. Retrieved from http://www.dentalresearch.org

Conference Contribution - Poster Presentation (not in published proceedings)

Atieh, M., Alsabeeha, N., Duncan, W., Cullinan, M., de Silva, R., Schwass, D., & Payne, A. (2011, November). Can resonance frequency analysis predict implant failure? Poster session presented at the 8th Biennial Conference of the Australasian Osseointegration Society (AOS), Adelaide, Australia.

Smith, M., Duncan, W., Coates, D., Tawse-Smith, A., Leichter, J., & Rich, A. (2011, August). Two bovine xenograft compared in the sheep maxillary sinus model. Poster session presented at the Faculty of Dentistry 3M Research Day, Dunedin, New Zealand.

Conference Contribution - Verbal presentation and other Conference outputs

Kim, R. W., Duncan, W. J., Coates, D., Milne, T., Cullinan, M., Tawse-Smith, A., & Leichter, J. (2011, April). Wnt expression during early osseointegration of titanium dental implants. Verbal presentation at the 15th Australian & New Zealand Academy of Periodontists (ANZAP) Scientific Meeting: Summits, Scaling & Success, Queenstown, New Zealand.

Smith, M., Coates, D., & Duncan, W. (2011, April). Two bovine xenograft compared in the sheep maxillary sinus model. Verbal presentation at the 15th Australian & New Zealand Academy of Periodontists (ANZAP) Scientific Meeting: Summits, Scaling & Success, Queenstown, New Zealand.

2010

Chapter in Book - Research

Payne, A. G. T., Tawse-Smith, A., De Silva, R. K., & Duncan, W. J. (2010). Early and conventional loading: Early loading of two implants in the mandible and final restoration with a retentive-anchor-supported RDP. In D. Wismeijer, D. Buser & U. Belser (Eds.), ITI treatment guide: Loading protocols in implant dentistry: Edentulous patients (Vol. 4). (pp. 76-84). Berlin, Germany: Quintessence.

Journal - Research Article

Atieh, M. A., Payne, A. G. T., Duncan, W. J., de Silva, R. K., & Cullinan, M. P. (2010). Immediate placement or immediate restoration/loading of single implants for molar tooth replacement: A systematic review and meta-analysis. International Journal of Oral & Maxillofacial Implants, 25, 401-415.

Park, C., Swain, M., & Duncan, W. (2010). Micro-computerised tomography optimisation for the measurement of bone mineral density around titanium dental implants. Journal of Biomechanical Science & Engineering, 5(1), 2-10. doi: 10.1299/jbse.5.2

Conference Contribution - Published proceedings: Abstract

Duncan, W. J., Lee, M.-H., Bae, T.-S., Park, J. M., & Gay, J. (2010). Anodisation increases early-integration of unloaded titanium implants in sheep mandible. Journal of Dental Research, 89(Spec Iss B), 4227. Retrieved from http://www.dentalresearch.org

Duncan, W. J., Gay, J. H. A., Lee, M.-H., Bae, T.-S., & Park, J. M. (2010). Anodisation doesn't increase early integration of implants in sheep sinuses. Journal of Dental Research, 89(Spec Iss B), 1640. Retrieved from http://www.dentalresearch.org

Greer, P., Gay, J., Lee, M.-H., Kuzmanovic, D., & Duncan, W. J. (2010). Keratin hydrogel increases osseointegration of Neoss implants in cancellous bone. Journal of Dental Research, 89(Spec Iss C). Retrieved from http://www.dentalresearch.org

Baharuddin, N. A., Coates, D., Seymour, G., Cullinan, M., & Duncan, W. J. (2010). RANKL, RANK and OPG expression in surgically created periodontal defects. Journal of Dental Research, 89(Spec Iss C). Retrieved from http://www.dentalresearch.org

Ohlrich, E. J., Coates, D. E., Milne, T. J., Cullinan, M. P., Heng, N. C. K., Duncan, W. J., & Seymour, G. J. (2010). Biophosphonates alter angiogenesis gene expression in cultured human gingival fibroblasts. Journal of Dental Research, 89(Spec Iss B), 4930. Retrieved from http://www.dentalresearch.org

Siddiqui, A., Payne, A., Duncan, W., & De Silva, R. (2010). Surgical and peri-implant outcomes of ceramic implants supporting overdentures. Proceedings of the Faculty of Dentistry 3M Research Day. Retrieved from http://dentistry.otago.ac.nz/research/index.html

Siddiqui, A., Hauman, T., Chandler, N., Tompkins, G., & Duncan, W. (2010). Dentine tubule infection: Detection and distribution in root canals of different age. Proceedings of the Faculty of Dentistry 3M Research Day. Retrieved from http://dentistry.otago.ac.nz/research/index.html

Park, C., Swain, M., & Duncan, W. (2010). Micro-CT analysis of peri-implant bone. Proceedings of the Faculty of Dentistry 3M Research Day. Retrieved from http://dentistry.otago.ac.nz/research/index.html

Ohlrich, E., Coates, D., Milne, T., Cullinan, M., Heng, N., Duncan, W., & Seymour, G. (2010). Bisphosphonates alter angiogenesis gene expression in cultured human gingival fibroblasts. Proceedings of the Faculty of Dentistry 3M Research Day. Retrieved from http://dentistry.otago.ac.nz/research/index.html

Baharuddin, N., Duncan, W., Coates, D., Seymour, G., & Cullinan, M. (2010). Expression of RANK, RANKL and OPG protein in surgically created peridontal defects in the sheep model. Proceedings of the Faculty of Dentistry 3M Research Day. Retrieved from http://dentistry.otago.ac.nz/research/index.html

2009

Chapter in Book - Research

Kieser, J. A., Tkatchenko, T., Dean, M. C., Jones, M. E. H., Duncan, W., & Nelson, N. J. (2009). Microstructure of dental hard tissues and bone in the tuatara dentary, Sphenodon punctatus (Diapsida: Lepidosauria: Rhynchocephalia). In T. Koppe, G. Meyer & K. W. Alt (Eds.), Comparative dental morphology: Frontiers of Oral Biology (Vol. 13). (pp. 80-85). Basel, Switzerland: Karger. doi: 10.1159/000242396

Journal - Research Article

Atieh, M. A. H., Payne, A. G. T., & Duncan, W. J. (2009). Immediate loading with single implant crowns: A systematic review and meta-analysis. International Journal of Prosthodontics, 22(4), 378-387.

Atieh, M. A., Payne, A. G. T., Duncan, W. J., & Cullinan, M. P. (2009). Immediate restoration/loading of immediately placed single implants: Is it an effective bimodal approach? Clinical Oral Implants Research, 20(7), 645-659. doi: 10.1111/j.1600-0501.2009.01725.x

2008

Conference Contribution - Published proceedings: Full paper

Duncan, W., Cullinan, M., English, H., Noor, E., Chou, P., Lam, D., Thomson, W. M., Holborow, D., Leichter, J., & Seymour, G. (2008). Relationships between periodontal diseases and systemic health in New Zealand: An overview of research at Otago University. In P. M. Bartold, I. Ishikawa & J. Zhang (Eds.), A perspective of periodontal systemic relationships for the Asian Pacific region. (pp. 77-82). Adelaide, Australia: Asian Pacific Society of Periodontology. [Full Paper]

Duncan, W. J., Lee, M. H., Dovban, A. S., Hendra, N., Ershadi, S., & Rumende, H. (2008). Anodization increases early integration of Osstem implants in sheep femurs. Annals of the Royal Australasian College of Dental Surgeons, [CD-ROM], 19, (pp. 152-156). [Full Paper]

Conference Contribution - Published proceedings: Abstract

Tkatchenko, T., Kieser, J., Dean, M. C., Nelson, N., Duncan, W. J., & Jones, M. (2008). Form and structure of the tooth crown of Sphenodon punctatus. Journal of Dental Research, 87(Spec Iss C). Retrieved from http://www.dentalresearch.org

Verma, R., Cullinan, M. P., Seymour, G. J., & Duncan, W. J. (2008). Clinical outcomes of oral implants placed at the School of Dentistry University of Otago (1989-2005). Proceedings of the Faculty of Dentistry 3M Research Day. Retrieved from http://dentistry.otago.ac.nz/research/rd2008/presentations.html

Verma, R., Cullinan, M. P., Seymour, G. J., & Duncan, W. J. (2008). Clinical outcomes of oral implant treatment: School of Dentistry, Otago (1989-2005). Journal of Dental Research, 87(Spec Iss B), 2524. Retrieved from http://www.dentalresearch.org

Conference Contribution - Verbal presentation and other Conference outputs

Kieser, J., Tkatchenko, T., Dean, C. M., Jones, M. E. H., Duncan, W., & Nelson, N. (2008, August). Microstructure and growth of bone and dental tissues in Sphenodon (Diapsida: Lepidosauria: Rhynchocephalia). Verbal presentation at the 14th International Symposium on Dental Morphology, Greifswald, Germany.

Ma, S., Soo, L. F., Verma, R., Payne, A. G. T., & Duncan, W. (2008, June). A comparison of the functional and aesthetic requirements for two maxillary fixed implant bridge patients. Verbal presentation at the Clinical Excellence Symposium of Patient Care, Dunedin, New Zealand.

2007

Journal - Research Article

Hall, J. A. G., Payne, A. G. T., Purton, D. G., Torr, B., Duncan, W. J., & De Silva, R. K. (2007). Immediately restored, single-tapered implants in the anterior maxilla: Prosthodontic and aesthetic outcomes after 1 year. Clinical Implant Dentistry & Related Research, 9(1), 34-45. doi: 10.1111/j.1708-8208.2007.00029.x

2006

Conference Contribution - Published proceedings: Abstract

Fitzgibbon, D., Duncan, W. J., Leichter, J. W., Eggerath, J., Kim, J. H., & Holborow, D. (2006). Immediately-loaded Brånemark TiUnite implants in a sheep animal model. Journal of Dental Research, 85(Spec Iss B), 1756. Retrieved from http://www.dentalresearch.org

Kim, J. H., Duncan, W. J., Leichter, J. W., Holborow, D., Eggerath, J., & Fitzgibbon, D. (2006). Immediately-loaded 3i Osseotite implants in a sheep animal model. Journal of Dental Research, 85(Spec Iss B), 1755. Retrieved from http://www.dentalresearch.org

Duncan, W. J. (2006). Meta-analysis of three implant experiments in the sheep mandibular model. Journal of Dental Research, 85(Spec Iss B), 0208. Retrieved from http://www.dentalresearch.org

Eggerath, J., Duncan, W. J., Leichter, J. W., Kim, J. H., Fitzgibbon, D., & Holborow, D. (2006). Immediately-loaded surface-enhanced Southern Implants in a sheep animal model. Journal of Dental Research, 85(Spec Iss B), 1754. Retrieved from http://www.dentalresearch.org

2005

Awarded Doctoral Degree

Duncan, W. J. (2005). Sheep mandibular animal models for dental implantology research (PhD). University of Otago, Dunedin, New Zealand. 409p.

2004

Journal - Research Article

Payne, A. G. T., Tawse-Smith, A., Thomson, W. M., Duncan, W., & Kumara, R. (2004). One-stage surgery and early loading of three implants for maxillary overdentures: A 1-year report. Clinical Implant Dentistry & Related Research, 6(2), 61-74.

2003

Chapter in Book - Research

Payne, A. G. T., Tawse-Smith, A. A., Thomson, W. M., & Duncan, W. J. (2003). Loading strategies for mandibular implant overdentures. In J. S. Feine & G. E. Carlsson (Eds.), Implant overdentures: The standard of care for edentulous patients. (pp. 111-128). Chicago: Quintessence Publishing Co, Inc.

Journal - Research Article

Duncan, W. J., Persson, G. R., Sims, T., Braham, P., Pack, A. R. C., & Page, R. C. (2003). Ovine periodontitis as a potential model for periodontal studies. Journal of Clinical Periodontology, 30, 63-72.

Conference Contribution - Published proceedings: Abstract

Duncan, W. J. (2003). Biological width of implants and premolars in sheep. Journal of Clinical Periodontology, 30(Suppl. 4), (pp. 78). [Abstract]

Duncan, W. J. (2003). Biological width of incisor teeth in sheep. Journal of Dental Research, 82(Spec Iss B), (pp. B-364). doi: 10.1177/0022034503082S103

2002

Journal - Research Article

Feine, J. S., Carlsson, G. E., Awad, M. A., Chehade, A., Duncan, W. J., Gizani, S., & ... (2002). Editorial. Journal of Prosthetic Dentistry, 88(2), 123-124.

Feine, J. S., Carlsson, G. E., Awad, M. A., Chehade, A., Duncan, W. J., Gizani, S., … Payne, A. G. T., … Tawse-Smith, A. A., … Thomson, W. M., & Wismeijer, D. (2002). The McGill consensus statement on overdentures. Mandibular two-implant overdentures as first-choice standard of care for edentulous patients. International Journal of Oral & Maxillofacial Implants, 17(4), 601-602.

Tawse-Smith, A. A., Duncan, W. J., Payne, A. G. T., Thomson, W. M., Wennstroem, J. L., & Wennstroem, J. L. (2002). Relative effectiveness of powered and manual toothbrushes in elderly patients with implant-supported mandibular overdentures. Journal of Clinical Periodontology, 29, 275-280.

Payne, A. G. T., Tawse-Smith, A. A., Duncan, W. J., & Kumara, R. (2002). Conventional and early loading of unsplinted ITI implants supporting mandibular overdentures. Clinical Oral Implants Research, 13, 603-609.

Journal - Research Other

Feine, J. S., Carlsson, G. E., Awad, M. A., Chehade, A., Duncan, W. J., ..., Payne, A. G. T., … Tawse-Smith, A. A., … Thomson, W. M., & Wismeijer, D. (2002). The McGill consensus statement on overdentures: Mandibular two-implant overdentures as first-choice standard of care for edentulous patients [Editorial]. Journal of Prosthetic Dentistry, 88, 123-124.

Feine, J. S., Carlsson, G. E., Awad, M. A., Chehade, A., Duncan, W. J., Gizani, S., … Payne, A. G. T., … Tawse-Smith, A. A., … Thomson, W. M., & Wismeijer, D. (2002). The McGill consensus statement on overdentures: Mandibular two-implant overdentures as first-choice standard of care for edentulous patients. International Journal of Prosthodontics, 15(4), 413-414.

Feine, J. S., Carlsson, G. E., Awad, M. A., Chehade, A., Duncan, W. J., Gizani, S., … Payne, A. G. T., … Tawse-Smith, A. A., … Thomson, W. M., & Wismeijer, D. (2002). The McGill consensus statement on overdentures: Mandibular two-implant overdentures as first choice standard of care for edentulous patients. Gerodontology, 19(1), 3-4.

Conference Contribution - Published proceedings: Abstract

Duncan, W. J., Braham, P., Tawse-Smith, A., Persson, G. R., & Lang, N. P. (2002). Peri-implant and periodontal flora in sheep compared with human subjects. Journal of the International Academy of Periodontology. 4(2), (pp. 66). [Abstract]

Duncan, W. J., Tawse-Smith, A., & Persson, G. R. (2002). Peri-implant flora detected with DNA probes in edentulous human subjects. Journal of the International Academy of Periodontology. 4(2), (pp. 60). [Abstract]

2001

Conference Contribution - Published proceedings: Abstract

Duncan, W. J., Pack, A. R. C., & Kardos, T. B. (2001). HA and TPS-coated implants in the sheep mandible. Journal of Dental Research. 80, (pp. 695). [Abstract]

2000

Conference Contribution - Published proceedings: Abstract

Duncan, W. J., Pack, A. R. C., Kardos, T. B., & Thomson, W. M. (2000). Transgingival implants in sheep with pre-existing naturally-occuring periodontitis. Journal of Clinical Periodontology, 27(Suppl. 1), (pp. 74). [Abstract]

Duncan, W., Sims, T., Pack, A. R. C., Braham, P., Tompkins, G., Page, R. C., & Persson, G. R. (2000). Serum IgG to periodontal bacteria in sheep with periodontitis. Journal of Dental Research, 79(1, Suppl. ), (pp. 308). [Abstract]

Duncan, W. J., Pack, A. R. C., Persson, G. R., Tompkins, G. R., Page, R., & Schofield, J. (2000). Aspects of naturally-occuring periodontis in sheep. Journal of Dental Research. 79, (pp. 404). [Abstract]

Sims, T. J., Duncan, W. J., Braham, P., Schifferle, R. E., Sojar, H., Pack, A. R. C., … Tompkins, G. R., … Persson, G. R. (2000). Aspects of naturally-occuring periodontitis in sheep. Journal of Dental Research. 79, (pp. 308). [Abstract]

Duncan, W. J., Sims, T., Pack, A. R. C., Braham, P., Tompkins, G. R., Page, R. C., & Persson, G. R. (2000). Serum IgC to peridontal bacteria in sheep with periodontitis. Journal of Dental Research. 79, (pp. 308). [Abstract]

1998

Conference Contribution - Published proceedings: Abstract

Duncan, W. J., Pack, A. R. C., & Kardos, T. B. (1998). Unstable implants in the sheep madible: A new animal model. Advances in Dental Research. 12(2), (pp. A12). [Abstract]

1997

Journal - Research Article

Salmon, R., & Duncan, W. J. (1997). Determination of the critical size for non-healing defects in the mandibular bone of sheep. Journal of the New Zealand Society of Periodontology, 81, 6-15.

Duncan, W. J. (1997). Realignment of periodontically-affected maxillary teeth: A periodontist's perspective. Part 1. New Zealand Dental Journal, 93, 79-83.

Duncan, W. J. (1997). Realignment of periodontically-affected maxillary teeth: A periodontist's perspective. Part 2. New Zealand Dental Journal, 94, 80-85.

Marshall, J. M., & Duncan, W. J. (1997). Critical size in the sheep mandible. Part II: Healing of 12 mm circular defects after 16 weeks. Journal of the New Zealand Society of Periodontology, 82, 5-8.

1996

Journal - Research Article

Danesh-Meyer, M. J., Duncan, W. J., & Pack, A. R. (1996). Alternative teflon membrane for guided tissue regeneration. Periodontal Insights, 3, 4-9.

1995

Journal - Research Article

Duncan, W. J. (1995). Guided tissue regeneration in the correction of malocclusion: a case report. Periodontology, 17, 38-45.