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CC BY-NC-ND 4.0 · Sleep Sci 2022; 15(01): 75-81
DOI: 10.5935/1984-0063.20210034
ORIGINAL ARTICLE

Changes in pharyngeal anatomy and apnea/hypopnea index after a mandibular advancement device

Autor*innen

  • Juan-Manuel Cortes-Mejia

    1   Sleep Disorders Clinic, Universidad Autónoma Metropolitana, Sleep Disorder Clinic - Mexico City - Ciudad De Mexico - Mexico.

  • Ana Boquete-Castro

    2   Postgraduate in dentistry. Catholic University of San Antonio. Murcia, Spain.

  • Yoaly Arana-Lechuga

    1   Sleep Disorders Clinic, Universidad Autónoma Metropolitana, Sleep Disorder Clinic - Mexico City - Ciudad De Mexico - Mexico.
    3   Neurosciences and Sleep Disorders Center., Sleep Disorder Clinic - Ciudad De Mexico - México.

  • Guadalupe Jovanna Terán-Pérez

    3   Neurosciences and Sleep Disorders Center., Sleep Disorder Clinic - Ciudad De Mexico - México.

  • Katiuska Casarez-Cruz

    4   National Institute of Neurology and Neurosurgery, Imagen Center - Ciudad De Mexico - México.

  • Rosa Obdulia González-Robles

    5   Universidad Autónoma Metropolitana, Mathematics Department - Ciudad de Mexico - Ciudad De Mexico.

  • Javier Velázquez-Moctezuma 

    1   Sleep Disorders Clinic, Universidad Autónoma Metropolitana, Sleep Disorder Clinic - Mexico City - Ciudad De Mexico - Mexico.
    3   Neurosciences and Sleep Disorders Center., Sleep Disorder Clinic - Ciudad De Mexico - México.
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ABSTRACT

Objectives: This study aimed to evaluate the therapeutic effcacy of custom-made mandibular advancement devices (MAD) in the control of primary snoring and sleep apnea and to correlate with anatomical changes identified through imaging tests.

Methods: Patients (n = 17) diagnosed with sleep apnea or primary snoring were included in this study and subsequently treated with MADs. Changes were assessed using a polysomnographic study (PSG), the Epworth Sleepiness Scale (ESS), and an imaging study with computed tomography scanning (CT). Studies were performed before and after the use of MAD. Anteroposterior measurements were taken in the sagittal plane at the hard palate, glottis, and supraglottic levels along the hard palate axis. Afterward, measurements were taken in the axial plane at the same levels along the hard palate axis.

Results: From the six recorded measurements, the airway caliber increased by five. However, these changes were significant only in two measurements (sagittal hard palate and axial supraglottic). Snoring was controlled in 16 of the 17 subjects. From these sixteen, 12 subjects had a correct opening of the airway at the hard palate level. Moreover, daytime sleepiness decreased in all subjects.

Discussion: Present results suggest that sagittal hard palate and axial supraglottic opening after use of MAD are mainly responsible for eliminating snoring and improve sleep apnea.

Keywords:

Primary Snoring - Sleep Apnea - sleep disorder - Mandibular Advance Device

FUNDING SOURCE

This work was primarily supported by Consejo Nacional de Ciencia y Tecnología, Conacyt 2013-1-201587.




Publikationsverlauf

Eingereicht: 03. November 2020

Angenommen: 31. Mai 2021

Artikel online veröffentlicht:
01. Dezember 2023

© 2022. Brazilian Sleep Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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