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Fig. 11 | Head & Face Medicine

Fig. 11

From: Micrognathia with temporomandibular joint ankylosis and obstructive sleep apnea treated with mandibular distraction osteogenesis using skeletal anchorage: a case report

Fig. 11

Measurement of airway length and hyoid bone to mandibular plane distance pre-treatment (a) and post-treatment (b). Solid line: airway length between a horizontal plane tangent to the superior aspect of the hyoid bone and a horizontal plane tangent to the posterior palate, parallel to the long axis of the airway. Dotted line: hyoid bone to mandibular plane; the most anterosuperior point of the greater cornu of the hyoid bone on the line perpendicular to the mandibular plane

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