Abstract
In the field of cranio-maxillofacial (CMF) surgery, surgical simulation is becoming a very powerful tool to plan surgery and simulate surgical results before actually performing a CMF surgical procedure. Reliable prediction of facial soft tissue changes is in particular essential for better preparation and to shorten the time taken for the operation. This paper presents a surgical simulation system to predict facial soft tissue changes caused by the movement of bone segments during CMF surgery. Two experiments were designed to test the feasibility of this simulation system. The test results demonstrate the feasibility of fast and good prediction of post-operative facial appearance, with texture. Our surgical simulation system is applicable to computer-assisted CMF surgery.
Highlights
With the development of techniques in computerassisted orthognathic surgery, research into craniofacial morphology and models of bone and soft tissue have played an important role in maxillo-craniofacial therapy [1]. 3D reconstruction of bone and soft tissues, quantitative measurements, and virtual surgical simulation results provide significant underpinnings to optimize surgical programs
We describe a simulation system for facial soft tissue prediction which is based on the linear finite element method
To represent facial soft tissue deformation given the movement of bone structures, we build a correspondence between a face mesh and a bone mesh
Summary
With the development of techniques in computerassisted orthognathic surgery, research into craniofacial morphology and models of bone and soft tissue have played an important role in maxillo-craniofacial therapy [1]. 3D reconstruction of bone and soft tissues, quantitative measurements, and virtual surgical simulation results provide significant underpinnings to optimize surgical programs. 3D reconstruction of bone and soft tissues, quantitative measurements, and virtual surgical simulation results provide significant underpinnings to optimize surgical programs. Prediction of new facial appearance is important. Building a precise prediction system for facial soft tissue deformation is very important and useful. We describe a simulation system for facial soft tissue prediction which is based on the linear finite element method. The simulation system can be used by surgeons to obtain an estimate of facial appearance. Our work utilizes individual patient data for both skull and skin surfaces to build the deformation model. To represent facial soft tissue deformation given the movement of bone structures, we build a correspondence between a face mesh and a bone mesh. Facial tissue changes caused by bone movement can be well simulated
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