Simulation of Skin Stretching around the Forehead Wrinkles in Rhytidectomy
Ping Zhou, Shuo Huang, Qiang Chen, Siyuan He, Guochao Cai

TL;DR
This paper presents a simulation method using 3D point cloud data and finite element algorithms to predict stress distribution and residual wrinkles in forehead skin during rhytidectomy, aiding surgical planning.
Contribution
It introduces a novel simulation approach combining B-spline interpolation and VFIFE algorithm to evaluate surgical effects in forehead wrinkle stretching.
Findings
Stress distribution varies significantly despite similar residual wrinkles.
Overstretching can lead to skin injuries.
Simulation can help optimize surgical parameters.
Abstract
Objective: Skin stretching around the forehead wrinkles is an important method in rhytidectomy. Proper parameters are required to evaluate the surgical effect. In this paper, a simulation method was proposed to obtain the parameters. Methods: Three-dimensional point cloud data with a resolution of 50 {\mu}m were employed. First, a smooth supporting contour under the wrinkled forehead was generated via b-spline interpolation and extrapolation to constrain the deformation of the wrinkled zone. Then, based on the vector formed intrinsic finite element (VFIFE) algorithm, the simulation was implemented in Matlab for the deformation of wrinkled forehead skin in the stretching process. Finally, the stress distribution and the residual wrinkles of forehead skin were employed to evaluate the surgical effect. Results: Although the residual wrinkles are similar when forehead wrinkles are finitely…
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Taxonomy
TopicsFacial Rejuvenation and Surgery Techniques · Dermatologic Treatments and Research · Reconstructive Facial Surgery Techniques
