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Article

Pharyngeal Airspace Alterations after Using the Mandibular Advancement Device in the Treatment of Obstructive Sleep Apnea Syndrome

1
Coimbra Hospital and University Centre (CHUC), 3000-075 Coimbra, Portugal
2
Faculty of Medicine, Institute of Orthodontics, University of Coimbra, 3000-075 Coimbra, Portugal
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Area of Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, Coimbra Institute for Clinical and Biomedical Research (iCBR), University of Coimbra, 3000-075 Coimbra, Portugal
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Laboratory of Biostatistics and Medical Informatics (LBIM), Faculty of Medicine, University of Coimbra, 3004-531 Coimbra, Portugal
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Centre for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, 3000-075 Coimbra, Portugal
6
Clinical Academic Center of Coimbra (CACC), 3030-370 Coimbra, Portugal
*
Authors to whom correspondence should be addressed.
Academic Editors: David Slouka and Milan Štengl
Life 2022, 12(6), 835; https://doi.org/10.3390/life12060835
Received: 3 May 2022 / Revised: 28 May 2022 / Accepted: 1 June 2022 / Published: 2 June 2022
Background: Mandibular Advancement Devices (MADs), inserted in non-surgical treatments for obstructive sleep apnea and hypopnea syndrome (OSAHS), are used intra-orally during the sleep period, with the aim of promoting mandibular protrusion. The aim of the study is to analyze the changes in the upper airway after the use of an MAD in the treatment of OSAHS. Methods: 60 patients diagnosed with OSAHS, as established by the Sleep Medicine Service, underwent treatment with the Silensor SL device at the Stomatology Service of the University Hospital Center of Coimbra, from January 2018 to January 2019. All patients completed two polysomnographies and two lateral teleradiographies: one before starting treatment (T0) and one after 1 year of treatment (T1). In the lateral teleradiography performed after one year of treatment, the patient had the MAD placed intra-orally. The linear measurements of the airspace proposed by the Arnett/Gunson FAB Surgery cephalometric analysis were measured at four craniometric points: A, MCI, B, Pog. Results: The results demonstrate an anteroposterior airway enlargement in two of the four points studied with the MAD placed intra-orally (B and Pog point). The greatest average increase is observed at point Pog (3 mm), followed by B (1 mm), and finally, point A (0.6 mm). Conclusions: This study proved that there is an improvement in anteroposterior measurements at various points in the upper airways after treatment with MAD. View Full-Text
Keywords: sleep apnea; obstructive; sleep apnea syndromes; occlusal splints; mandibular advancement devices; sleep disorders; intrinsic; cephalometry sleep apnea; obstructive; sleep apnea syndromes; occlusal splints; mandibular advancement devices; sleep disorders; intrinsic; cephalometry
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MDPI and ACS Style

Ferraz, P.D.; Francisco, I.; Borges, M.I.; Guimarães, A.; Carvalho, F.; Caramelo, F.; Figueiredo, J.P.; Vale, F. Pharyngeal Airspace Alterations after Using the Mandibular Advancement Device in the Treatment of Obstructive Sleep Apnea Syndrome. Life 2022, 12, 835. https://doi.org/10.3390/life12060835

AMA Style

Ferraz PD, Francisco I, Borges MI, Guimarães A, Carvalho F, Caramelo F, Figueiredo JP, Vale F. Pharyngeal Airspace Alterations after Using the Mandibular Advancement Device in the Treatment of Obstructive Sleep Apnea Syndrome. Life. 2022; 12(6):835. https://doi.org/10.3390/life12060835

Chicago/Turabian Style

Ferraz, Pedro Dias, Inês Francisco, Maria Inês Borges, Adriana Guimarães, Fátima Carvalho, Francisco Caramelo, José Pedro Figueiredo, and Francisco Vale. 2022. "Pharyngeal Airspace Alterations after Using the Mandibular Advancement Device in the Treatment of Obstructive Sleep Apnea Syndrome" Life 12, no. 6: 835. https://doi.org/10.3390/life12060835

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