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Abstract
Bimaxillary protrusion is a common facial profile among Asians, typically managed through non-surgical orthodontic approaches. However, when an unfavorable facial profile is combined with obstructive sleep apnea (OSA), surgical intervention may become the primary treatment choice. This case report presents a modified maxillomandibular advancement (MMA) technique in a 31-year-old male patient who presented with lip protrusion and snoring. Polysomnography revealed severe OSA with an apnea-hypopnea index (AHI) of 39.7. Clinical examination showed increased lower facial height, skeletal Class II jaw relationship, and Angle Class I malocclusion with complete overbite. Through a combination of modified MMA technique and genioplasty, we successfully enhanced muscle tension while simultaneously improving the facial profile. Post-treatment evaluation demonstrated high patient satisfaction with facial aesthetics and significant improvement in OSA, evidenced by a reduction in AHI from 39.7 to 8.5.
Recommended Citation
Gan, Chia-Shin; Kao, Chia-Tze; Chou, Chih-Chen; Tsai, Ching-Yi; Chen, Yi-Chieh; Ko, Han-Hsin; and Tai, Wen-Ken
(2024)
"Modified MMA Technique for a Patient with Bimaxillary Protrusion and OSA,"
Taiwanese Journal of Orthodontics: Vol. 36:
Iss.
3, Article 5.
https://doi.org/10.38209/2708-2636.1364
Available at:
https://www.tjo.org.tw/tjo/vol36/iss3/5
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