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Health Sciences profile

Dr Joanne Choi

PositionLecturer
DepartmentDepartment of Oral Rehabilitation
QualificationsBDentTech (Hon) PGDipCDTech PhD
Research summaryDental materials, dental technology, biomaterials, biomechanics, and craniofacial biology
Teaching

My main teaching responsibility is to teach into Bachelor of Dental Technology and Postgraduate Diploma in Clinical Dental technology. I also give biomaterials, oral physiology, clinical lectures into Dental Surgery and Oral Health programme at both undergraduate and postgraduate level.

I supervise research students at undergraduate and postgraduate level.

Research

I carry out a qualitative and quantitative analysis of the mechanical properties and failure mechanisms of various restorative dental materials (various dental resins, metals and ceramics; CAD-CAM and 3D printed dental materials).

I also conduct research into developing new dental restorative materials to improve oral care and real-time measuring systems to evaluate physiologic changes (e.g. intraoral pH and temperature, temperature changes in restorative materials) or biomechanics of the materials in the oral cavity (e.g. pressure from dentures and other oral appliances). For my PhD, I developed and validated a wired sensor system to monitor intraoral pH and temperature for long-term periods, the results of which can be used in identifying and evaluating causal factors involved with dental wear.

I am part of the Biomechanics and Oral Implantology and Craniofacial Biology Programmes of the Sir John Walsh Research Institute.

Publications

Aarts, J. M., Choi, J. J. E., Metcalfe, S., & Bennani, V. (2020). Influence of build angulation on the mechanical properties of a direct-metal laser-sintered cobalt-chromium used for removable partial denture frameworks. Journal of Prosthetic Dentistry. Advance online publication. doi: 10.1016/j.prosdent.2020.06.014

Choi, J. J. E., Uy, C. E., Ramani, R. S., & Waddell, J. N. (2020). Evaluation of surface roughness, hardness and elastic modulus of nanoparticle containing light-polymerized denture glaze materials. Journal of the Mechanical Behavior of Biomedical Materials, 103, 103601. doi: 10.1016/j.jmbbm.2019.103601

Tykhonova, L. Y., Dias, M., Zhou, L. D., Richardson, C., Waddell, J. N., & Choi, J. J. E. (2020). The eficacy of a novel temporary crown system marginal seal and structural durability in terms of cyclic loading: A pilot study. Dental Oral Biology & Craniofacial Research. Advance online publication. doi: 10.31487/j.DOBCR.2020.01.01

Choi, J. J. E., Zwirner, J., Ramani, R. S., Ma, S., Hussaini, H. M., Waddell, J. N., & Hammer, N. (2020). Mechanical properties of human oral mucosa tissues are site dependent: A combined biomechanical, histological and ultrastructural approach. Clinical & Experimental Dental Research. Advance online publication. doi: 10.1002/cre2.305

Choi, J. J. E., Uy, C. E., Plaksina, P., Ramani, R. S., Ganjigatti, R., & Waddell, J. N. (2020). Bond strength of denture teeth to heat-cured, CAD/CAM and 3D printed denture acrylics. Journal of Prosthodontics, 29, 415-421. doi: 10.1111/jopr.13125

Journal - Research Article

Aarts, J. M., Choi, J. J. E., Metcalfe, S., & Bennani, V. (2020). Influence of build angulation on the mechanical properties of a direct-metal laser-sintered cobalt-chromium used for removable partial denture frameworks. Journal of Prosthetic Dentistry. Advance online publication. doi: 10.1016/j.prosdent.2020.06.014

Choi, J. J. E., Uy, C. E., Plaksina, P., Ramani, R. S., Ganjigatti, R., & Waddell, J. N. (2020). Bond strength of denture teeth to heat-cured, CAD/CAM and 3D printed denture acrylics. Journal of Prosthodontics, 29, 415-421. doi: 10.1111/jopr.13125

Choi, J. J. E., Zwirner, J., Ramani, R. S., Ma, S., Hussaini, H. M., Waddell, J. N., & Hammer, N. (2020). Mechanical properties of human oral mucosa tissues are site dependent: A combined biomechanical, histological and ultrastructural approach. Clinical & Experimental Dental Research. Advance online publication. doi: 10.1002/cre2.305

Tykhonova, L. Y., Dias, M., Zhou, L. D., Richardson, C., Waddell, J. N., & Choi, J. J. E. (2020). The eficacy of a novel temporary crown system marginal seal and structural durability in terms of cyclic loading: A pilot study. Dental Oral Biology & Craniofacial Research. Advance online publication. doi: 10.31487/j.DOBCR.2020.01.01

Choi, J. J. E., Uy, C. E., Ramani, R. S., & Waddell, J. N. (2020). Evaluation of surface roughness, hardness and elastic modulus of nanoparticle containing light-polymerized denture glaze materials. Journal of the Mechanical Behavior of Biomedical Materials, 103, 103601. doi: 10.1016/j.jmbbm.2019.103601

Choi, J. J. E., Ramani, R. S., Ganjigatti, R., Uy, C. E., Plaksina, P., & Waddell, J. N. (2020). Adhesion of denture characterizing composites to heat-cured, CAD/CAM and 3D printed denture base resins. Journal of Prosthodontics. Advance online publication. doi: 10.1111/jopr.13291

Chua, H., Choi, J. J. E., Ramani, R. S., Ganjigatti, R., & Waddell, J. N. (2019). The cooling efficiency of different dental high-speed handpiece coolant port designs. Heliyon, 5, e02185. doi: 10.1016/j.heliyon.2019.e02185

Dias, M., Choi, J. J. E., Uy, C. E., Ramani, R. S., Ganjigatti, R., & Waddell, J. N. (2019). Real-time pulp temperature change at different tooth sites during fabrication of temporary resin crowns. Heliyon, 5(12), e02971. doi: 10.1016/j.heliyon.2019.e02971

Choi, J. E., Ng, T. E., Leong, C. K. Y., Kim, H., Li, P., & Waddell, J. N. (2018). Adhesive evaluation of three types of resilient denture liners bonded to heat-polymerized, autopolymerized, or CAD-CAM acrylic resin denture bases. Journal of Prosthetic Dentistry, 120(5), 699-705. doi: 10.1016/j.prosdent.2018.01.032

Choi, J. E., Lyons, K. M., Kieser, J. A., & Waddell, N. J. (2017). Diurnal variation of intraoral pH and temperature. BDJ Open, 3, 17015. doi: 10.1038/bdjopen.2017.15

Aarts, J. M., Jansen van Vuuren, W.-A., Withy, K. E., Choi, J. E., & Waddell, N. J. (2017). A pilot study on the influence of two reinforcing materials (glass fibre mesh and electro-spun nylon nano fibres) on the flexural strength of a heat-cured poly (methyl methacrylate) denture base resin. New Zealand Dental Journal, 113(3), 11-15.

Choi, J. E., Lyons, K. M., McLean, M. C. B., & Waddell, J. N. (2016). Interarch comparison of intraoral pH and temperature: A pilot study. BDJ Open, 2, 16008. doi: 10.1038/bdjopen.2016.8

Choi, J. E., Waddell, J. N., Lyons, K. M., & Kieser, J. A. (2016). Intraoral pH and temperature during sleep with and without mouth breathing. Journal of Oral Rehabilitation, 43(5), 356-363. doi: 10.1111/joor.12372

Choi, J. E., Loke, C., Waddell, J. N., Lyons, K. M., Kieser, J. A., & Farella, M. (2015). Continuous measurement of intra-oral pH and temperature: Development, validation of an appliance and a pilot study. Journal of Oral Rehabilitation, 42(8), 563-570. doi: 10.1111/joor.12294

Choi, J. E., Waddell, J. N., & Swain, M. V. (2011). Pressed ceramics onto zirconia: Part 2: Indentation fracture and influence of cooling rate on residual stresses. Dental Materials, 27(11), 1111-1118. doi: 10.1016/j.dental.2011.08.003

Choi, J. E., Waddell, J. N., Torr, B., & Swain, M. V. (2011). Pressed ceramics onto zirconia. Part 1: Comparison of crystalline phases present, adhesion to a zirconia system and flexural strength. Dental Materials, 27(12), 1204-1212. doi: 10.1016/j.dental.2011.08.006

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Journal - Research Other

Ramani, R. S., Bennani, V., Aarts, J. M., Choi, J. J. E., & Brunton, P. A. (2020). Patient satisfaction with esthetics, phonetics, and function following implant-supported fixed restorative treatment in the esthetic zone: A systematic review. Journal of Esthetic & Restorative Dentistry. Advance online publication. doi: 10.1111/jerd.12625

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

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