Abstract
Objective
To explore the efficacy of anterior maxillary segmental osteotomy (AMSO) in reliving maxillary protrusion and better analyze the three-dimensional (3D) morphological changes of the postoperative nasolabial region using computed tomography (CT) and evaluate the trend of facial rejuvenation.
Materials and Methods
Forty-five patients who underwent AMSO from January 2017 to December 2021 were retrospectively included. CT and oriented photography were performed before and 10 months after the treatment. The mimics17.0 software was used to reconstruct the 3D CT scan results before and after the operation, measure the data of each anatomical index, and systematically evaluate the soft tissue changes in the nasolabial region. The patients themselves, the plastic surgeons, family members, or friends of patients use the Face-Q Age Appraisal Visual Analogue Scale (VAS) to evaluate the changes in patients’ visual age before and after the operation.
Results
Forty-five cases of maxillary protrusion were alleviated. Seen from the side, the protruding degree of the upper lip is obviously reduced. In the front view, ∠Cont-Sbal-F, the width of alar base, and alae nasi all increased significantly. Contrary to traditional perceptions, the protrusion and height of the nose tip actually increased rather than decreased after AMSO. The visual age score improved positively, and patients obtained facial rejuvenation. No serious complications occurred; after 10-month follow-up, we achieved a high degree of satisfaction.
Conclusion
AMSO can significantly improve the maxillary protrusion, and it can increase the protrusion and height of the nose tip. Also, patients can get a younger appearance. Comprehensive preoperative evaluation and postoperative nasolabial morphology with maxillary protrusion patients are helpful for correct clinical decision-making. At the same time, the operation suggests a new choice of facial rejuvenation for patients with maxillary protrusion.
Level of Evidence IV
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This work was financially supported by CAMS-Innovation Fund for Medical Sciences (No.2020-I2M-C&T-A-018).
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Zhang, D., Zhao, F., Du, L. et al. Soft and Hard Tissue Changes and Facial Rejuvenation of Anterior Maxillary Segmental Osteotomy: A Three-Dimensional Cephalometric Study. Aesth Plast Surg 47, 271–281 (2023). https://doi.org/10.1007/s00266-022-03063-7
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DOI: https://doi.org/10.1007/s00266-022-03063-7