Current Research and Publications

Doctor of Philosophy (PhD)

Ngiam, J (2020). Objective measurement of sleep disordered breathing in mandibular advancement splint and rapid maxillary expansion therapy with the Sonomat™.
Discipline of Sleep Medicine, Sydney Medical School, The University of Sydney (2020)
Available Here

Current Research Projects

  • Imaging and electromyography studies for the prediction of oral appliance treatment outcome in obstructive sleep apnoea.
  • Multimodal phenotyping for the prediction of oral appliance treatment outcome in obstructive sleep apnoea.
  • An open label, non-randomised study to evaluate the safety, efficacy, tolerability and compliance of the tongue tamer mandibular advancement splint in patients with obstructive sleep apnoea [TT Study].
  • The efficacy of rapid maxillary expansion (RME) therapy on snoring and obstructive sleep apnoea in children undergoing orthodontic treatment.
  • Dose-dependent effect of mandibular advancement splint (MAS) therapy on snoring and obstructive sleep apnoea.

Peer-reviewed Publications

Sutherland, K., Almeida, FR., Kim, T., Brown, E., Knapman, F., Ngiam, J., et al (2021) Treatment usage patterns of oral appliances for obstructive sleep apnea over the first 60 days: a cluster analysis, Journal of Clinical Sleep Medicine 2021;17(9):1785–1792.

Jugé, L., Yeung, J., Knapman, F., Burke, P., Lowth, A., Gan, K., Brown, E., Butler, J., Eckert, D., Ngiam, J., et al (2021) Influence of mandibular advancement on tongue dilatory movement during wakefulness and how this is related to oral appliance therapy outcome for obstructive sleep apnea, Sleep, 44(3) zsaa196

Brown, E., Jugé, L., Knapman, F., Burke, P., Ngiam, J., et al (2020) Mandibular advancement splint response is associated with the pterygomandibular raphe, Sleep, 44(4), zsaa222

Bamagoos, A., Cistulli, P., Sutherland, K., Ngiam, J., et al. (2019) Dose-dependent effects of mandibular advancement on upper airway collapsibility and muscle function in obstructive sleep apnea, Sleep, 42(6), https://doi.org/10.1093/sleep/zsz049 

Bamagoos, A., Eckert, D., Sutherland, K., Ngiam, J., Cistulli, P. (2019) Dose-dependent effects of mandibular advancement on optimal positive airway pressure requirements in obstructive sleep apnoea. Sleep Breath. https://doi.org/10.1007/s11325-019-01930-3 

Ngiam, J. et al. (2018).  Oral Appliance Therapy for Sleep Disordered Breathing.  Contemporary Oral Medicine, https://doi.org/10.1007/978-3-319-28100-1_43-1 

Sutherland, K., Chan, A., Ngiam, J., et al. (2018). Awake Multimodal Phenotyping for Prediction of Oral Appliance Treatment Outcome. Journal of Clinical Sleep Medicine, 14(11):  1879 – 1887 http://dx.doi.org/10.5664/jcsm.7484 

Sutherland, K., Chan, ASL., Ngiam, J., Darendelier, M.A., Cistulli, P.A. (2018). Qualitative assessment of awake nasopharyngoscopy for prediction of oral appliance  treatment response in obstructive sleep apnoea. Sleep Breath. doi: 10.1007/s11325-018-1624-8. [Epub ahead of print].

Ngiam, J (2018). Sleep Bruxism. Sleep Medicine, 41; 378-383ISBN 9780995388703  

Sutherland, K., Ngiam, J., Cistulli, P. (2017). Performance of remotely controlled mandibular protrusion sleep studies for prediction of oral appliance treatment response. Journal of Clinical Sleep Medicine. 13(3): 411-417.

Ngiam, J., Cistulli, P. (2014) Think before sinking your teeth into oral appliance therapy. Journal of Clinical Sleep Medicine, 10(12): 1293-1294.

Ngiam, J., & Cistulli, P.  (2014).  Dental treatment for paediatric obstructive sleep apnea.  Paediatric Respiratory Reviews, (in press corrected proof, published online 10 November 2014).

Ngiam, J., et al. (2013).  Clinical guidelines for oral appliance therapy in the treatment of snoring and obstructive sleep apnoea.  Australian Dental Journal, 58(4): 408-419.

Ngiam, J., & Kyung, H.M. (2012).  Microimplant-based mandibular advancement therapy for the treatment of snoring and obstructive sleep apnoea: a prospective study.  The Angle Orthodontist, 82(6): 978-984.

Ngiam, J., & Kyung, H.M. (2010).  Microimplant mandibular advancement (MiMA) therapy for the treatment of snoring and obstructive sleep apnea (OSA).  The Korean Journal of Orthodontics, 40(2): 115-126.

Published Abstracts

Ngiam, J., Norman, M., Sullivan, C., (2019) The dose dependent effect of progressive mandibular advancement on snoring with Mandibular advancement splint therapy. Journal of Sleep Research, 28. 111 River St, Hoboken 07030-5774, NJ USA: WILEY, 2019. DOI: 10.1111/jsr.96_12913 

Ngiam, J., Norman, M., Sullivan, C., (2019) Quantitative measurement of snoring in patients referred for Oral Appliance Therapy. Journal of Sleep Research, 28. 111 River St, Hoboken 07030-5774, NJ USA: WILEY, 2019. 
DOI: 10.1111/jsr.31_12912 

Bamagoos, A., Cistulli, P., Sutherland, K., Ngiam, J., Burke, P., Bilston, L., Butler, J., Eckert, D. (2017). Dose-dependent effects of mandibular advancement on upper airway collapsability and muscle activity in obstructive sleep apnoea. American Journal of Respiratory and Critical Care Medicine, 195:A6972.

Ngiam, J. (2015).  Objective compliance and head position monitoring of mandibular advancement splint therapy for sleep-disordered breathing – a preliminary investigation.  Sleep and Biological Rhythms, 13(S1): 57.

Bamagoos, A., Sutherland, K., Chan, A., Leigh, M., Ngiam, J., Darendeliler, M. & Cistulli, P. (2015).  Photographic craniofacial analysis and mandibular advancement splint treatment response.  Sleep and Biological Rhythms, 13(S1): 44.

Sutherland, K., Ngiam, J., & Cistulli, P. (2015).  Preliminary experience with remotely controlled mandibular protrusion (RCMP) sleep studies for prediction of oral appliance treatment response in an Australian sleep clinic.  Sleep and Biological Rhythms, 13(S1): 70.

Sutherland, K., Chan, A., Leigh, M., Ngiam, J. & Cistulli, P., (2015).  Mallampati score does not predict oral appliance treatment outcome in Australian OSA patients.  Sleep and Biological Rhythms, 13(S1): 12.

Ngiam, J., et al. (2014).  Photographic assessment of craniofacial phenotype in children with OSA: a feasible study.  Sleep and Biological Rhythms, 12(S1): 70.

Ngiam, J. (2014).  Oral appliance therapy for sleep disordered breathing in children.  Sleep and Biological Rhythms, 12(S1):5-6.

Ngiam, J. (2013).  The importance of measurement in the clinical success of MAS therapy.  Sleep and Biological Rhythms, 11(S2): 6.

Ngiam, J., & Sullivan, C. (2012).  Oral appliances and rapid maxillary expansion; an orthodontic approach to OSA in children.  Sleep and Biological Rhythms, 10(S1):6.

Ngiam, J., Norman, M., & Sullivan, C. (2011).  A new method of evaluating snoring and SDB with mandibular advancement splint therapy.  American Academy of Dental Sleep Medicine.

Ngiam, J., Norman, M., & Sullivan, C. (2011).  The efficacy of mandibular advancement splint (MAS) therapy – a snoring perspective.  Journal of Sleep Research, 20(S1): 44.

Dr Joachim Ngiam devotes considerable time and energy to research to ensure that the devices he uses in the clinic are well-validated and effective.  He actively participates in clinical research projects at the Woolcock Institute and the University of Sydney, as well as running smaller clinical studies at his private practice.

If you have any questions or queries, feel free to contact us for a friendly and obligation-free chat!