Related Experiment Video
Updated: Aug 31, 2025
Treatment of Facial Deformities using 3D Planning and Printing of Patient-Specific Implants
Published on: May 23, 2020
Soft and Hard Tissue Changes and Facial Rejuvenation of Anterior Maxillary Segmental Osteotomy: A Three-Dimensional
Dong Zhang1, Fangning Zhao1, Le Du1
116th Department, Plastic Surgery Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, 33 Badachu Road, Shijingshan District, Beijing, 100144, China.
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:
This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.
