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Contact Details

Phone
64 3 479 3949
Email
fiona.firth@otago.ac.nz
Position
Senior Lecturer
Department
Department of Oral Sciences
Qualifications
BDS DClinDent FRACDS MOrth RCSEd MRACDS(Ortho)
Research summary
Orthodontics, craniofacial biology, biology of tooth movement
Teaching
Orthodontics at postgraduate and undergraduate levels

Research

Dr Firth's research activities interests lie in the biology of tooth movement and craniofacial biology. She has a particular interest in the use of tissue culture models to investigate orthodontic movement.

Dr Firth was heavily involved with the development of a mechanical strain model for the assessment of periodontal ligament cell endoplasmic reticulum stress in three-dimensional culture. Her ongoing research is continuing to develop and expand tissue culture models for orthodontic tooth movement research.

Dr Firth is interested in a wide variety of other research areas, including clinical research, craniofacial growth and development and clinical genetics.

Publications

Pittar, N., Firth, F., Bennani, H., & Farella, M. (2023). The effect of passive clear aligners on masticatory muscle activity in adults with different levels of oral parafunction. Journal of Oral Rehabilitation, 50, 1409-1421. doi: 10.1111/joor.13575

Wang, D., Firth, F., Bennani, F., Farella, M., & Mei, L. (2023). Immediate effect of clear aligners and fixed appliances on perioral soft tissues and speech. Orthodontics & Craniofacial Research, 26, 425-432. doi: 10.1111/ocr.12625

Kang, A., Firth, F. A., Antoun, J., Mei, L., Ali, A., & Farella, M. (2023). Three-dimensional digital assessment of typodont activations. Orthodontics & Craniofacial Research, 26, 285-296. doi: 10.1111/ocr.12611

Oude-Alink, C., Hussaini, H. M., Seo, B., & Firth, F. (2023). Regulatory compliance of online vendor selling dental whitening products in New Zealand. Journal of the Royal Society of New Zealand, 53(2), 234-243. doi: 10.1080/03036758.2022.2108070

Barakat, N. J., Sabri, R., AbouJaoude, N., Firth, F., Farella, M., & Faulkner, R. F. (2022). Implants and orthodontics: A symbiotic partnership. In J. Beumer, III, R. F. Faulkner, K. C. Shah & B. M. Wu (Eds.), Fundamentals of implant dentistry (Vol. 1): Prosthodontic principles. (2nd ed.) (pp. 516-537). Batavia, IL: Quintessence Publishing.

Barakat, N. J., Sabri, R., AbouJaoude, N., Firth, F., Farella, M., & Faulkner, R. F. (2022). Implants and orthodontics: A symbiotic partnership. In J. Beumer, III, R. F. Faulkner, K. C. Shah & B. M. Wu (Eds.), Fundamentals of implant dentistry (Vol. 1): Prosthodontic principles. (2nd ed.) (pp. 516-537). Batavia, IL: Quintessence Publishing.

Chapter in Book - Research

Kang, A., Firth, F. A., Antoun, J., Mei, L., Ali, A., & Farella, M. (2023). Three-dimensional digital assessment of typodont activations. Orthodontics & Craniofacial Research, 26, 285-296. doi: 10.1111/ocr.12611

Journal - Research Article

Oude-Alink, C., Hussaini, H. M., Seo, B., & Firth, F. (2023). Regulatory compliance of online vendor selling dental whitening products in New Zealand. Journal of the Royal Society of New Zealand, 53(2), 234-243. doi: 10.1080/03036758.2022.2108070

Journal - Research Article

Pittar, N., Firth, F., Bennani, H., & Farella, M. (2023). The effect of passive clear aligners on masticatory muscle activity in adults with different levels of oral parafunction. Journal of Oral Rehabilitation, 50, 1409-1421. doi: 10.1111/joor.13575

Journal - Research Article

Wang, D., Firth, F., Bennani, F., Farella, M., & Mei, L. (2023). Immediate effect of clear aligners and fixed appliances on perioral soft tissues and speech. Orthodontics & Craniofacial Research, 26, 425-432. doi: 10.1111/ocr.12625

Journal - Research Article

Firth, F. A., Milne, T. J., Seo, B., & Farella, M. (2020). An in-vitro mechanical strain three-dimensional culture model: Periodontal ligament cell viability, apoptosis, and endoplasmic reticulum stress response. European Journal of Oral Sciences, 128, 120-127. doi: 10.1111/eos.12681

Journal - Research Article

Lee, S., Firth, F. A., Bennani, F., Harding, W., Farella, M., & Antoun, J. S. (2019). Evaluation of objective and subjective treatment outcomes in orthodontic cases treated with extraction of a mandibular incisor. Angle Orthodontist, 89(6), 862-867. doi: 10.2319/011018-25.1

Journal - Research Article

Lu, W., Zhang, X., Firth, F., Mei, L., Yi, J., Gong, C., … Li, Y. (2019). Sclerostin injection enhances orthodontic tooth movement in rats. Archives of Oral Biology, 99, 43-50. doi: 10.1016/j.archoralbio.2018.12.011

Journal - Research Article

Yu, J., Zhou, Y., Zhang, T., Lv, J., Firth, F., Zhao, X., … Mei, L. (2019). Effect of combined oral contraceptives on orthodontic tooth movement in a female rat model. Australasian Orthodontic Journal, 35(2), 127-133.

Journal - Research Article

Sinon, S. H., Rich, A. M., Parachuru, V. P. B., Firth, F. A., Milne, T., & Seymour, G. J. (2016). Downregulation of toll-like receptor-mediated signalling pathways in oral lichen planus. Journal of Oral Pathology & Medicine, 45, 28-34. doi: 10.1111/jop.12319

Journal - Research Article

Firth, F. A., Friedlander, L. T., Parachuru, V. P. B., Kardos, T. B., Seymour, G. J., & Rich, A. M. (2015). Regulation of immune cells in oral lichen planus. Archives of Dermatological Research, 307, 333-339. doi: 10.1007/s00403-015-1540-8

Journal - Research Article

Torkan, S., Firth, F., Fleming, P. S., Kravitz, N. D., Farella, M., & Huang, G. J. (2021). Retention: Taking a more active role [Clinical]. British Dental Journal, 230(11), 731-738. doi: 10.1038/s41415-021-2952-9

Journal - Research Other

Firth, F. A., Farrar, R., & Farella, M. (2020). Investigating orthodontic tooth movement: Challenges and future directions. Journal of the Royal Society of New Zealand, 50(1), 67-79. doi: 10.1080/03036758.2019.1684957

Journal - Research Other

Antoun, J., & Firth, F. (2019). Orthodontic considerations in the management of compromised first molars. NZDA News, 195, 57-60. [Professional Guidelines].

Journal - Research Other

Firth, F., Bennani, F., Stacknik, S., & Farella, M. (2019). Orthodontic patient co-operation: A review of the clinician’s role in predicting and improving patient compliance. Australasian Orthodontic Journal, 35(1), 5-12. [Review].

Journal - Research Other

Hodgkinson, D., Firth, F. A., & Farella, M. (2019). Effect of incisor retraction on facial aesthetics. Journal of Orthodontics, 46(1, Suppl.), 49-53. doi: 10.1177/1465312519840031

Journal - Research Other

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