Abstract
Background
Botulinum toxin-A (BTX-A) injection of regional platysma has been utilized in the lower-part elevation and mandibular contour sculpture. However, the relative research, especially in quantitative assessment appears very spare. Our aim is to investigate the efficacy of three-dimensional (3D) technology as a method for regional platysma injection with BTX-A.
Materials and Methods
From October 2019 to September 2020, patients with mild or moderate degrees of facial sagging on the lower face were recruited to regional platysma BTX-A injection, and 3D scanning and measurement technology was used to evaluate the difference of curved distances and angels. Patients’ improvement was assessed by the global aesthetic improvement scale (GAIS).
Results
A total of 57 patients underwent regional platysma BTX-A injection and 32 patients were followed up successfully. Compared with Pre-operative, postoperative facial reference curves distance and cervico-mental angles had statistical differences (p < 0.05). GAIS suggested that the 3D imaging measurement technology could improve satisfaction.
Conclusion
3D technology can evaluate the improvement of the lower face with BTX-A. It provides effective measurement methods and raises satisfaction.
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.
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Acknowledgements
Thanks for the experimental site and equipment provided by The Plastic and Aesthetic Center, The First Affiliated Hospital of Harbin Medical University.
Funding
The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was supported by the National Natural Science Foundation of China (No. 82102356), the Natural Science Foundation of Heilongjiang Province (No. QC2018102), the President Foundation of The First Affiliated Hospital of Harbin Medical University (No. 2019B24) and the Applied Technology Research and Development Project of Heilongjiang Province (No. GA20C019).
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Li, H., Zhao, H., Chen, X. et al. Application of Three-Dimensional Technology in Evaluating the Lower Face Lifting by Regional Platysma Injection with Botulinum Toxin-A. Aesth Plast Surg 46, 2480–2487 (2022). https://doi.org/10.1007/s00266-021-02743-0
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DOI: https://doi.org/10.1007/s00266-021-02743-0