Figure legends:
Figure 1: Mandibular Advancement Device (OAm)
Figure 2: Measuring points plane (2a). Airway zoning (2b)
Figure 3: Sagittal diameter of upper airway before OAm (3a). After OAm (3b)
Figure 4: Coronal diameter of upper airway before OAm (4a). After OAm (4b)
Figure 5: Posterior lingual area before OAm (5a). After OAm (5b)
Figure 6: Posterior epiglottic area before OAm (6a). After OAm (6b)