Mr William Ha
Academic Title Holder - Lecturer
School of Dentistry
Researcher biography
Completed specialist training in Endodontics in 2021 at the University of Adelaide and South Australian Dental Services. The DClinDent program included 9 articles in peer-reviewed journals, 1 article currently in press and one book chapter.
Completed a PhD which included 11 articles in peer-reviewed journals.
Completed the JBI Comprehensive systematic review training program.
Recipient of multiple research and travel grants.
Awarded a Fellow of the Pierre Fauchard Academy – an international dental association that recognizes and supports leaders of the dental profession.
Active researcher actively presenting research findings, locally and internationally, at scientific meetings as well as publishing multiple scientific articles.
Active contributor to dental teaching, research and philanthropy.
Committee member for the International Association of Dental Traumatology
Journal Articles
Nawar, Nawar Naguib, Elkholy, Mostafa M. A., Ha, William Nguyen, Bürklein, Sebastian and Saber, Shehabeldin Mohamed (2023). Parallel endodontic education via social media: an exploratory survey study. Australian Endodontic Journal. doi: 10.1111/aej.12773
Haddad, Yoseif, Chan, Wing Chuan, Ha, William Nguyen, Conde, Antonio, Estevez, Roberto, Lopez, Alejandro Peña, Gates, Georgia Charlotte and Rossi‐Fedele, Giampiero (2023). The effect of a preparation containing glycocholic acid on the biocidal efficacy of sodium hypochlorite in a biofilm laboratory model. Australian Endodontic Journal. doi: 10.1111/aej.12771
Wahidi, Alizafar, Ha, William Nguyen, Alvino, Lawrence M., Nagendrababu, Venkateshbabu and Rossi-Fedele, Giampiero (2023). Association between intracanal medicament radiopacity and streak artifact production using cone-beam computed tomography: a laboratory study. Journal of Endodontics, 49 (7), 909-914. doi: 10.1016/j.joen.2023.04.011
Elkholy, Mostafa M. A., Nawar, Nawar Naguib, Ha, William Nguyen, Saber, Shehabeldin Mohamed and Kim, Hyeon-Cheol (2023). Optimum shaping parameters of the middle mesial canal in mandibular first molars: a finite element analysis study. Journal of Endodontics, 49 (5), 567-574. doi: 10.1016/j.joen.2023.03.007
Jensen, Emilija D., Smart, Gabrielle, Lee, Nara, Tan, Jenny, Oliver, Kelly, Ha, William N. and Ranjitkar, Sarbin (2023). Prevalence and morphological features of molar‐root incisor malformation in children attending a specialist paediatric dental unit. International Journal of Paediatric Dentistry. doi: 10.1111/ipd.13061
Jensen, Emilija D., Ha, William, Tan, Jenny, Oliver, Kelly J. and Ranjitkar, Sarbin (2023). Rapidly progressing generalised tooth resorption associated with primary immunodeficiency due to
XIAP
/
BIRC4
mutation. International Journal of Paediatric Dentistry, 33 (2), 196-202. doi: 10.1111/ipd.13034
Mathew, Abhishek Isaac, Lee, Silvia C., Ha, William Nguyen, Rossi‐Fedele, Giampiero and Doğramacı, Esma J. (2022). Cone‐beam computed tomography—predictors and characteristics of usage in Australia and New Zealand, a multifactorial analysis. Australian Endodontic Journal, 49 (2), 247-255. doi: 10.1111/aej.12663
Al-Bermani, Ayad S.A., Quigley, Niall P. and Ha, William N. (2021). Do zirconia single-retainer resin-bonded fixed dental prostheses present a viable treatment option for the replacement of missing anterior teeth? A systematic review and meta-analysis. The Journal of Prosthetic Dentistry. doi: 10.1016/j.prosdent.2021.10.015
Ha, William N., Chaves, Gustavo S., Decurcio, Daniel, Estrela, Carlos, Peters, Ove A. and Rossi-Fedele, Giampiero (2021). Remaining dentinal thickness after simulated post space preparation and the fit of prefabricated posts to root canal preparation shapes. Journal of the American Dental Association, 152 (12), 1020-1032.e12. doi: 10.1016/j.adaj.2021.06.014
Elkholy, Mostafa M.A., Nawar, Nawar Naguib, Ha, William Nguyen, Saber, Shehabeldin Mohamed and Kim, Hyeon-Cheol (2021). Impact of canal taper and access cavity design on the life span of an endodontically treated mandibular molar: a finite element analysis. Journal of Endodontics, 47 (9), 1472-1480. doi: 10.1016/j.joen.2021.06.009
Tucker, Rebecca Lee and Ha, William Nguyen (2021). A systematic review comparing mineral trioxide aggregate to other commercially available direct pulp capping agents in dogs. Journal of Veterinary Dentistry, 38 (1), 34-45. doi: 10.1177/08987564211024905
Mathew, Abhishek Isaac, Lee, Silvia Chamin, Rossi-Fedele, Giampiero, Bogen, George, Nagendrababu, Venkateshbabu and Ha, William Nguyen (2021). Comparative evaluation of mineral trioxide aggregate obturation using four different techniques—a laboratory study. Materials, 14 (11) 3126, 3126. doi: 10.3390/ma14113126
Elkholy, Mostafa M. A. and Ha, William Nguyen (2021). An arithmetic crown-down dynamic tactile instrumentation technique: a case report of an S-shaped root canal. Journal of Endodontics, 47 (5), 836-843. doi: 10.1016/j.joen.2020.12.013
Alvino, Lawrence, Ha, William Nguyen, Chan, Wing Chuan and Rossi‐Fedele, Giampiero (2021). What is new in the 2020 International Association of Dental Traumatology emergency treatment guidelines?. Dental Traumatology, 37 (3) edt.12671, 510-520. doi: 10.1111/edt.12671
Mathew, Abhishek, Lee, Silvia, Ha, Willian Nguyen, Nagendrababu, Venkateshbabu and Rossi-Fedele, Giampiero (2021). Microbial contamination comparison between cotton pellet and polytetrafluoroethylene tape endodontic spacers: a systematic review. European Endodontic Journal, 6 (2), 143-150. doi: 10.14744/eej.2021.52244
Chu, Jacklyn H.R., Chia, Kalie Y., Qui, Alexander L., Moule, Alex and Ha, William N. (2020). The effects of sodium hypochlorite and ethylenediaminetetraacetic acid on the microhardness of Mineral Trioxide Aggregate and TotalFill Bioceramic Putty. Australian Endodontic Journal, 46 (1) aej.12352, 33-39. doi: 10.1111/aej.12352
Quigley, Niall P., Loo, Denice S.S., Choy, Clinton and Ha, William N. (2020). Clinical efficacy of methods for bonding to zirconia: a systematic review. Journal of Prosthetic Dentistry, 125 (2), 1-10. doi: 10.1016/j.prosdent.2019.12.017
Ha, William N., Nicholson, Timothy M., Kahler, Bill and Walsh, Laurence J. (2017). Rheological characterization as an alternative method to indentation for determining the setting time of restorative and endodontic cements. Materials, 10 (12) 1451, 1-11. doi: 10.3390/ma10121451
Ha, William N., Nicholson, Timothy, Kahler, Bill and Walsh, Laurence J. (2017). Mineral Trioxide Aggregate-A Review of Properties and Testing Methodologies. Materials (Basel, Switzerland), 10 (11) 1261, 1-18. doi: 10.3390/ma10111261
Ha, William, Kahler, Bill and Walsh, Laurence J. (2017). Classification and Nomenclature of Commercial Hygroscopic Dental Cements. European Endodontic Journal, 2 (27) 17006, 27-27. doi: 10.5152/eej.2017.17006
Ha, William N., Kahler, Bill and Walsh, Laurence J. (2017). Dental material choices for pulp therapy in paediatric dentistry. European Endodontic Journal, 2 (1) 16053, 1-7. doi: 10.5152/eej.2017.16053
Ha, William N., Duckmanton, Peter, Kahler, Bill and Walsh, Laurence J. (2016). A survey of various endodontic procedures related to mineral trioxide aggregate usage by members of the Australian Society of Endodontology. Australian Endodontic Journal, 42 (3), 132-138. doi: 10.1111/aej.12170
Ha, William Nguyen, Kahler, Bill and Walsh, Laurence James (2016). The influence of particle size and curing conditions on testing mineral trioxide aggregate cement. Acta Biomaterialia Odontologica Scandinavica, 2 (1), 130-137. doi: 10.1080/23337931.2016.1239181
Ha, William Nguyen, Shakibaie, Fardad, Kahler, Bill and Walsh, Laurence James (2016). Deconvolution of the particle size distribution of ProRoot MTA and MTA Angelus. Acta Biomaterialia Odontologica Scandinavica, 2 (1), 7-11. doi: 10.3109/23337931.2015.1129611
Ha, William Nguyen, Nicholson, Timothy, Kahler, Bill and Walsh, Laurence James (2016). Methodologies for measuring the setting times of mineral trioxide aggregate and Portland cement products used in dentistry. Acta Biomaterialia Odontologica Scandinavica, 2 (1), 25-30. doi: 10.3109/23337931.2015.1135746
Ha, William N., Bentz, Dale P., Kahler, Bill and Walsh, Laurence J. (2015). D90: the strongest contributor to setting time in mineral trioxide aggregate and Portland cement. Journal of Endodontics, 41 (7), 1146-1150. doi: 10.1016/j.joen.2015.02.033
Ha, William N., Kahler, Bill and Walsh, Laurence J. (2015). Clinical manipulation of mineral trioxide aggregate: lessons from the construction industry and their relevance to clinical practice. Journal of the Canadian Dental Association, 81, f4.
Kelloway, E., Ha, W. N., Dost, F. and Farah, C. S. (2014). A retrospective analysis of oral and maxillofacial pathology in an Australian adult population. Australian Dental Journal, 59 (2), 215-220. doi: 10.1111/adj.12175
Kelloway, E., Ha, W. N., Dost, F. and Farah, C. S. (2014). A retrospective analysis of oral and maxillofacial pathology in an Australian paediatric population. Australian Dental Journal, 59 (2), 221-225. doi: 10.1111/adj.12174
Ha, William N., Kahler, Bill and Walsh, Laurence James (2014). Particle size changes in unsealed mineral trioxide aggregate powder. Journal of Endodontics, 40 (3), 423-426. doi: 10.1016/j.joen.2013.10.018
Thesis
Ha, William (2017). Mineral Trioxide Aggregate: A review of clinical usage and investigations of the effects of modifying particle size. PhD Thesis, School of Dentistry, The University of Queensland. doi: 10.14264/uql.2017.1000