{"id":402,"date":"2024-11-28T16:54:11","date_gmt":"2024-11-28T08:54:11","guid":{"rendered":"https:\/\/www.mch-osa.com\/?post_type=case&#038;p=402"},"modified":"2026-08-31T18:46:05","modified_gmt":"2026-08-31T10:46:05","slug":"case09","status":"publish","type":"case","link":"https:\/\/www.mch-osa.com\/en\/case\/case09\/","title":{"rendered":"MMA surgery to treat sleep apnea"},"content":{"rendered":"<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Preoperative symptoms<\/td><td>surgical plan<\/td><\/tr><tr><td>Moderate sleep apnea, mandibular and chin retrusion<\/td><td>3D customized orthognathic surgery and chin plastic surgery<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">postoperative changes<\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Dr. Xie Mingji\uff5cJaw and chin retraction # sleep apnea \ud83d\udccd# orthognathic surgery\" width=\"1290\" height=\"726\" src=\"https:\/\/www.youtube.com\/embed\/NX1YvIQftMQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dr. Xie Mingji\uff5cOrthognathic surgery for sleep apnea and mandibular retrusion<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Diagnosis and treatment plan and postoperative changes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This is a typical patient with moderate sleep apnea (AHI = 22.9) and abnormal daytime sleepiness (ESS = 14), accompanied by mandibular and chin retrusion and sleep segmentation.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.mch-osa.com\/wp-content\/uploads\/2024\/11\/AD_4nXeRo2q_G3Zp37ohDBseNgHdMgkwbDe1GzAVtCC58b3qj_6J-Qvg06KJQgtdr-6qjiR0b_tDqJmYrwWz0SlHytJOKcMobiO7sJzC1TPm051qnwKBrEQGF-Slzr633ThnsNtnFqQps82GdvfHYrGLGdFJwej7keyIqkOHD9HKoenLM1YL5aX0Swm.jpg\" alt=\"The preoperative sleep study report, with an AHI of 22.9, indicated moderate sleep apnea.\" title=\"\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">He tried CPAP therapy but stopped using it because it was intolerable. Considering the comprehensive treatment goals, including high success rate, facial appearance, occlusal function and other factors, it was decided to use combined correction and orthognathic surgery. The surgical plan included counterclockwise rotation and forward movement of the upper and lower jaw bones (CCW-MMA). .<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The results of the sleep report 6 months after the operation showed that his AHI value dropped to 2.7 (reaching the level of cure), and he no longer had daytime sleepiness (ESS = 2). The patient was also satisfied with the improvement in appearance.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.mch-osa.com\/wp-content\/uploads\/2024\/11\/AD_4nXdvMoM7Tck3pcIG4OZT2gQSOk7LW9JgoSK8XDY6Tk8DJkDoKozsvFF5JmE7gbrRKzVxyYYCoFIp0M5dNJ3GWa-Z_KDsHOmsAEFdqIkAhdYL0D8w0kgl5QlInk9uqv2zjGKwH2owNbqXuxgqHxLPg9Iw_Ll2keyIqkOHD9HKoenLM1YL5aX0Swm.jpg\" alt=\"Post-operative home sleep monitoring report: AHI dropped to 2.7.\" title=\"\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">*Note<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>AHI = Apnea-Hypopnea Index: Sleep apnea index: the number of apneas and hypopneas per hour of sleep<\/li>\n\n\n\n<li>ESS = Epworth sleepiness Scale Epworth sleepiness scale: degree of sleepiness<\/li>\n\n\n\n<li>CCW = Counterclockwise Rotations Counterclockwise rotation<\/li>\n\n\n\n<li>MMA = Maxillo-Mandibular Advancement<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Appearance changes<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.mch-osa.com\/wp-content\/uploads\/2024\/11\/AD_4nXcm3pt7W97yGtq6BwJYQNSaPZQBVWcejnvT59frGwrIfm5PqVZpLHc690ae-QuAVMBVwwWCsE-pDEd7BvGXBpNMAz3PReeCFjPsIkj1cL_HZ7JfVUl41Yu_NxD7drLlZELhoqJAUIqhPmTlqbQhXgemVXcBkeyIqkOHD9HKoenLM1YL5aX0Swm.jpg\" alt=\"Frontal appearance comparison before and after orthognathic surgery for patients with mandibular retrusion\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.mch-osa.com\/wp-content\/uploads\/2024\/11\/AD_4nXf8ESlVE_9ETZViyhpfXfV8FUNGviSTRCxSVpTgdLzUnCsTAoOJnFo3ufyWYfYcEkdh4VZE6by_173134fNrGfQx-OftZ2AA_UT9AtLw0IjR2lEHMsldb4RqY_6BdG5V2Ejg-HzDgHVpxLMYoYudmm0BJgkeyIqkOHD9HKoenLM1YL5aX0Swm.jpg\" alt=\"A before-and-after comparison of a smile after orthognathic surgery, showing the corrective device.\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.mch-osa.com\/wp-content\/uploads\/2024\/11\/AD_4nXdYrOn-Dzj7dofeJwf10QMqp62R3ic7r9rHQwKSg8bZ-FesUW5nGIBtDPnDiDyrGbs5y33hsru16gG6y1-e_KhsH8O6uWT1wkumXAFuH7GNORaOeXnYKceNVrRyniu-OcB_EJ_CkGTg9E0brd49_X3ix4VukeyIqkOHD9HKoenLM1YL5aX0Swm.jpg\" alt=\"Comparison of 45-degree bevel appearance before and after orthognathic surgery\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.mch-osa.com\/wp-content\/uploads\/2024\/11\/AD_4nXccdw7BNANpIE1KXk-82Ge_JBy9_0U3IdJ9iL3XKmgYVlvKqj91Mm31Bvo9HQPwzxpnCREVf8DYp5eiuFPXsTbLBvPBpirVYkblktgFdSW_JTNAc8K1eltcglkt6ISUh2bMOJkon1ZllT42Hn9N05pCO4gZkeyIqkOHD9HKoenLM1YL5aX0Swm.jpg\" alt=\"Comparison of 45-degree angled smile appearance before and after orthognathic surgery\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.mch-osa.com\/wp-content\/uploads\/2024\/11\/AD_4nXep__-ItZNXINpoRafEB5tl0TXmI6ZpMlDgv57ra2IBGGMVnJ5hK4sczvTflPDkkWpVWnjz-w44i4-RPT-N9OXy2atkExO6s8UL5UbaEggcT74dsrJlCYd-2EP2i-CsoJARz3y8L-fKSVHzqsPoSnLLN0keyIqkOHD9HKoenLM1YL5aX0Swm.jpg\" alt=\"Comparison of chin and jaw contours before and after orthognathic surgery\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.mch-osa.com\/wp-content\/uploads\/2024\/11\/AD_4nXdRZGuwdcwn9Mlx3mNANnaqqWpDPS3gAy_wIwwHE8XDrMtgPGexpQHQQWa5bx6booqiFaFyRgXSQkV4sgEsU_8sc9ASqWXo8rfuHFhKrmF4Io8vU_Mmicl4hiS0vWjAaHVLb55XaRKIHv_HoVvqlIKIxW_5keyIqkOHD9HKoenLM1YL5aX0Swm.jpg\" alt=\"Comparison of facial smile contours before and after orthognathic surgery\" title=\"\"><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Comparison of tomography before and after surgery<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.mch-osa.com\/wp-content\/uploads\/2024\/11\/AD_4nXcdkC0oJHb3pLr4Tetd0st6jfhRHKbGQHbMGwM20bA1LQ54hFLj2u19Z9q_982Ort7Zl_FhCQWqGJ0G0chk6mW1BjmB9e6wInCCQgmL3ykEUqzM1AiYhDDEvTBkjpMh0js1QHCrpsXojk9xQeKcTzQEXUsQkeyIqkOHD9HKoenLM1YL5aX0Swm.jpg\" alt=\"3D tomographic comparison of craniofacial skeleton before and after counterclockwise rotation and forward mandibular surgery\" title=\"\"><\/figure>","protected":false},"excerpt":{"rendered":"<p>This case shares the treatment experience of a patient with moderate sleep apnea (AHI 22.9). The patient had sleep problems due to mandibular and chin retraction, and was unable to adapt to CPAP treatment. Through 3D customized orthognathic surgery, using the treatment method of counterclockwise rotation and forward movement of the upper and lower jaw bones (CCW-MMA), the 6-month follow-up showed that the AHI dropped to 2.7, successfully improving the symptoms of sleep apnea, while improving the Appearance, the patient was quite satisfied with the surgical results.<\/p>","protected":false},"author":20,"featured_media":403,"template":"","class_list":["post-402","case","type-case","status-publish","has-post-thumbnail","hentry"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"acf":[],"_links":{"self":[{"href":"https:\/\/www.mch-osa.com\/en\/wp-json\/wp\/v2\/case\/402","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mch-osa.com\/en\/wp-json\/wp\/v2\/case"}],"about":[{"href":"https:\/\/www.mch-osa.com\/en\/wp-json\/wp\/v2\/types\/case"}],"author":[{"embeddable":true,"href":"https:\/\/www.mch-osa.com\/en\/wp-json\/wp\/v2\/users\/20"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mch-osa.com\/en\/wp-json\/wp\/v2\/media\/403"}],"wp:attachment":[{"href":"https:\/\/www.mch-osa.com\/en\/wp-json\/wp\/v2\/media?parent=402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}