An oral appliance with or without elastic bands to control mouth opening during sleep-a randomized pilot study

Sleep & Breathing = Schlaf & Atmung
Niclas Norrhem, Marie Marklund

Abstract

Oral appliances (OAs) hold the lower jaw forward to reduce obstructive sleep apneas. Some OA designs allow mouth opening, which influences the forward positioning of the lower jaw. The aim of this pilot study was to compare the efficacy of an adjustable, custom-made OA (Narval®) in its original design, which allowed mouth opening, with the same OA with elastic bands that restricted mouth opening. Consecutive patients with an apnea-hypopnea index (AHI) of ≥15 were randomized to start with an OA either with or without elastic bands in a single-blinded, crossover, pilot study. The patients underwent acclimatization and titration. After 3 weeks use of each device, they had renewed sleep apnea recordings and responded to questionnaires. Washout periods took place between the tests. Ten subjects with a median AHI of 19.7 (interquartile range (IQR) 17.3 to 31.8) were included. The AHI decreased to 3.1 (IQR 1.5-14.7) (p < 0.01) with the OA and to 5.1 (IQR 2.4-14.3) (p < 0.01) with the OA with elastic bands, with no difference between them (p = 0.7). The two subjects with severe obstructive sleep apnea (OSA) almost halved their supine AHI with, as compared to without, elastic bands. The majority of the patients preferred to use the elas...Continue Reading

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Citations

Jan 25, 2017·Sleep & Breathing = Schlaf & Atmung·Niclas NorrhemMarie Marklund
Apr 20, 2017·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·George UmemotoKouta Funakoshi
Oct 31, 2019·Expert Review of Respiratory Medicine·Andrew S L ChanPeter A Cistulli
Dec 8, 2019·Journal of Clinical Medicine·Kate Sutherland, Peter A Cistulli
Sep 19, 2020·Journal of Dental Research·E SchneidermanM Newton
Sep 27, 2019·European Respiratory Review : an Official Journal of the European Respiratory Society·Marie MarklundJohan Verbraecken
Sep 29, 2017·Current Sleep Medicine Reports·M Marklund

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