Fig. 4From: What is the impact of distraction osteogenesis on the upper airway of hemifacial microsomia patient with obstructive sleep apnea: a case reportComparison between the cross-sections at the superior border of epiglottis. a Post-distraction maxillofacial model indicating the premature contact of the left second primary molar. b Pre-distraction. c Post-distractionBack to article page