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SofaCON 2020: The Crucial role of orthodontics in the multidisciplinary treatment of paediatric OSAS

Presented by Dr Derek R Mahony





This study (my PhD research) followed 3329 children between ages of 7-9 years old that were referred to me for an orthodontic consultation by their general dentist. The purpose of the study was to see what combination of treatments would most reduce the impact of sleep disordered breathing, in the paediatric population.

Based on the signs and symptoms of sleep disordered breathing problems, 3326 patients had the standard orthodontic records of study casts, X-rays/CBCTs, extra oral and intra oral photographs, as well as a baseline sleep study (PSG) or an overnight pulse oximetry. Sleep studies revealed mild to moderate sleep aponea, or other symptoms of SDB. 21 patients PSG studies showed no SDB.

The patients were assigned to 1 of 4 treatment groups, plus a control group who did not receive any treatment (group 5): 1) ENT surgery only, or 2) ENT surgery and Myofunctional therapy, with a night time appliance (myobrace) (MFT) or 3) ENT surgery and orthopaedics/orthodontics, and 4) ENT surgery, orthopaedics/orthodontics, MFT and a night-time appliance (myobrace).

Sleep studies were performed for all patients, at baseline, and then after ENT intervention, after orthopaedic treatment, and finally after MFT. By comparing the results, the best outcome, for RDI reduction, was obtained when ENT surgery, myofunctional therapy and orthodontic therapy were used. Complete resolution of OSAs, in children, requires appropriate orthodontic treatment, such as maxillary development, maxillary protraction, and mandibular translation.

Learning outcomes:

  1. Compare different combined treatment modalities for the treatment of paediatric OSAS
  2. Include orthodontics in treatment plans for paediatric OSAS
  3. Identify the relationship between malocclusions and SDB in children
  4. Review the common ENT procedures that help restore nasal breathing in children
  5. Summarize the most favourable dentofacial orthopaedic treatment outcomes for these children, once their nasal airway has been improved
  6. Compare stability of their improved airway with and without MFT

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