2026
Journal - Research Article
Lee, S., Daniel, B. K., Mei, L., Farella, M., & Firth, F. A. (2026). Patients' treatment experiences with orthodontic fixed appliances, clear aligners and direct-to-consumer clear aligners: A qualitative study-part II. Orthodontics & Craniofacial Research. Advance online publication. doi: 10.1111/ocr.70140
Lee, S., Daniel, B., Mei, L., Farella, M., & Firth, F. A. (2026). Orthodontic patients' motivation and decision-making for seeking treatment with traditional fixed appliances, clear aligners and direct-to-consumer clear aligners: A qualitative study: Part I. Orthodontics & Craniofacial Research. Advance online publication. doi: 10.1111/ocr.70126
2025
Journal - Research Article
Hu, A., Firth, F., Bennani, H., Iodice, G., & Farella, M. (2025). The effect of clear aligners with posterior occlusal attachments on daytime masticatory muscle activity. American Journal of Orthodontics & Dentofacial Orthopedics. Advance online publication. doi: 10.1016/j.ajodo.2025.09.024
Hatami, A., Farella, M., Firth, F., & Weir, T. (2025). Treatment outcomes of Class II subdivision with clear aligners: A retrospective study. American Journal of Orthodontics & Dentofacial Orthopedics. Advance online publication. doi: 10.1016/j.ajodo.2025.09.010
Conference Contribution - Verbal presentation and other Conference outputs
Hatami, A., Farella, M., & Firth, F. (2025, September). Treatment outcomes of Class II subdivision with clear aligners: A retrospective study. Verbal presentation at the Faculty of Dentistry Clinical and Research Excellence Symposium, Dunedin, New Zealand.
Waller, D., Farella, M., & Firth, F. (2025, September). Sleep bruxism and awake bruxism: Are they associated? Verbal presentation at the Faculty of Dentistry Clinical and Research Excellence Symposium, Dunedin, New Zealand.
Ajamain, A. A., Farella, M., Harding, W., & Firth, F. (2025, September). Public perceptions of orthodontic providers and orthodontic treatment in New Zealand. Verbal presentation at the Faculty of Dentistry Clinical and Research Excellence Symposium, Dunedin, New Zealand.
2024
Journal - Research Article
Strachan, J., Oliver, S., Ekambaram, M., Firth, F., Bennani, F., & Beckett, D. M. (2024). Maxillary canine impaction: Knowledge and referral practices amongst registered dental therapists/oral health therapists and final year Bachelor of Oral Health students in New Zealand. Australian & New Zealand Journal of Dental & Oral Health Therapy, 12(12), 15-21.
Wong, L., Firth, F., Fowler, P., Jack, H., Bennani, H., Noble Campbell, T., & Farella, M. (2024). Association of clinical, biomechanical, and psychosocial factors with smile dynamics in unilateral cleft lip:\A multicenter observational study. Cleft Palate Craniofacial Journal. Advance online publication. doi: 10.1177/10556656241291649
Kumar, Jr, R., Mohammed, H., Firth, F. A., Bennani, H., Halberstadt, J. B., & Farella, M. (2024). Smile dynamics: A comparative study of Fijians and NZ Europeans. Journal of Oral Rehabilitation, 51(8), 1373-1378. doi: 10.1111/joor.13699
2023
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
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
Journal - Research Other
Hubbard, M., Crooks, M., Firth, F., Natarajan, A., Mackay, T., Misa, T., … Barwick, P. (2023). NZAO+D3G mini-symposium on molar hypomineralisation and chalky teeth. NZDA News, 213, 27-33. Retrieved from https://www.thed3group.org/uploads/images/news/NZDA-NEWS-Chalky-teeth-feature-2023.pdf
Conference Contribution - Verbal presentation and other Conference outputs
Wong, L., Farella, M., Firth, F., Fowler, P., & Jack, H. (2023, July). Cleft project: The search for a confident smile. Verbal presentation at the Faculty of Dentistry Clinical and Research Excellence Symposium, Dunedin, New Zealand.
2022
Chapter in Book - Research
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.
Conference Contribution - Published proceedings: Abstract
Lee, S., Daniel, B., Farella, M., Mei, L., & Firth, F. (2022). Patients' experiences with orthodontic treatment through traditional fixed appliances, clear aligners and direct-to- consumer clear aligners: A qualitative study. New Zealand Dental Journal, 118(4), (pp. 175). [Abstract]
Pittar, N., Farella, M., & Firth, F. (2022). The effect of clear aligners on masticatory muscle activity in adults with and without high oral parafunction. New Zealand Dental Journal, 118(4), (pp. 174-175). [Abstract]
2021
Journal - Research Other
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
2020
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 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
2019
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.
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
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 Other
Antoun, J., & Firth, F. (2019). Orthodontic considerations in the management of compromised first molars. NZDA News, 195, 57-60. [Professional Guidelines].
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].
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
2018
Conference Contribution - Published proceedings: Abstract
Firth, F., Milne, T., Seo, B., & Farella, M. (2018). A mechanical strain model for the assessment of periodontal ligament cell endoplasmic reticulum stress in three-dimensional culture. European Journal of Orthodontics, 40(5), (pp. e74-e75). doi: 10.1093/ejo/cjy060
Firth, F., Lee, S., Low, A., Antoun, J., & Farella, M. (2018). Evaluation of objective and subjective treatment outcomes in orthodontic cases treated with extraction of a mandibular incisor. European Journal of Orthodontics, 40(5), (pp. e9). doi: 10.1093/ejo/cjy060
2017
Conference Contribution - Published proceedings: Abstract
Firth, F., Milne, T., Seo, B., & Farella, M. (2017). A mechanical strain model for the assessment of periodontal ligament cell endoplasmic reticulum stress in three-dimensional culture. Journal of Dental Research, 96(Spec. Iss. B). Retrieved from http://www.iadr.org
Firth, F., Milne, T., Seo, B., & Farella, M. (2017). A human periodontal ligament cell mechanical strain culture model for the study of endoplasmic reticulum stress. New Zealand Dental Journal, 113(4), (pp. 57). [Abstract]
Conference Contribution - Verbal presentation and other Conference outputs
Firth, F. (2017, July). Now you see it, now you don't! The interdisciplinary management of impacted maxillary canines. Verbal presentation at the Faculty of Dentistry Clinical Excellence Day, Dunedin, New Zealand.
2016
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
2015
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
2013
Conference Contribution - Published proceedings: Abstract
Firth, F. A., Friedlander, L. T., Parachuru, V. P., Kardos, T. B., Rich, A. M., & Seymour, G. J. (2013). Regulation of immune cells in oral lichen planus. Journal of Dental Research, 92(Spec Iss A), 2274. Retrieved from http://www.dentalresearch.org
2012
Conference Contribution - Published proceedings: Abstract
Firth, F. A., Friedlander, L. T., Parachuru, P., Kardos, T. B., Rich, A. M., & Seymour, G. J. (2012). Immunoregulatory cells in oral lichen planus. Oral Surgery, Oral Medicine, Oral Pathology & Oral Radiology, 114(4), (pp. e40). doi: 10.1016/j.oooo.2012.07.477
Firth, F. A., Friedlander, L., Parachuru, V., Kardos, T., Rich, A., & Seymour, G. (2012). Regulation of immune cells in oral lichen planus. Journal of Dental Research, 91(Spec Iss C), 169862. Retrieved from http://www.dentalresearch.org
