Smaller but significant decrease in TAV, AA, and MCA was found during a follow-up visit (20.0%, 9.7%, and 26.8%, respectively, P <0.0001) giving a net increase of TAV, AA and MCA (35.8%, 27.1%, and 45.9%, respectively). Significant increase in TAV, AA, and MCA was found with MMA treatment (40.6%, 28.8%, and 56.4%, respectively, P <0.0001). Dolphin 3D voxel-based superimposition was used to determine the amount of skeletal advancement with MMA and changes after surgery. All Digital Imaging and Communications in Medicine files were analyzed using the Dolphin 3D Imaging software program (Dolphin Imaging and Management Solutions, Chatsworth, Calif) to determine the total airway volume (TAV), airway area (AA), and minimal cross-sectional area (MCA).
Cone-beam computed tomography scans were taken before treatment after presurgical orthodontic treatment immediately after MMA procedure and follow-up visit. This study aimed to evaluate the follow-up observation of patients with obstructive sleep apnea treated with maxillomandibular advancement (MMA) procedure with or without genial tubercle advancement (GTA).Ī total of 25 patients (mean age 37.1 ± 17.3 years) were included in the study.
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