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Genioglossus Advancement: Technique Modification for Improved Chin Contour
Elisa Emanuelli1, Michaela K O'Connor2, Ravi K Garg1
1Department of Plastic Surgery, University of Kansas Medical Center, Kansas City, Kans.
Plastic and Reconstructive Surgery. Global Open
|March 13, 2023
Summary
This study refines genioglossus advancement surgery for obstructive sleep apnea using virtual planning and modified osteotomies. The technique improves safety, accuracy, and patient profile balance during genial tubercle advancement.
Area of Science:
- Oral and Maxillofacial Surgery
- Sleep Medicine
- Biomedical Engineering
Background:
- Genioglossus advancement is a key surgical technique for obstructive sleep apnea (OSA).
- Previous iterations have aimed to enhance suprahyoid muscle recruitment.
- A recent box osteotomy technique targets the inferior mandibular border.
Purpose of the Study:
- To introduce a modified genioglossus advancement technique using virtual planning.
- To enhance the safety and accuracy of genial tubercle capture.
- To improve bone-to-bone contact and allow for chin profile modification.
Main Methods:
- Virtual surgical planning for precise osteotomy.
- Modified box osteotomy with angulated lateral cuts.
- Pre-osteotomy buccal plate drilling for chin profile reduction.
- Application in patients with baseline or post-advancement prognathism.
Main Results:
- Improved safety and accuracy in genial tubercle capture through virtual planning.
- Enhanced bone-to-bone contact via angulated lateral osteotomies.
- Ability to balance patient profile during genial tubercle advancement.
Conclusions:
- The modified genioglossus advancement technique offers enhanced precision and patient-specific profile management.
- Virtual planning and modified osteotomies represent a significant advancement in OSA surgical armamentarium.
- This approach is particularly beneficial for managing prognathism in OSA patients.
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