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Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures
Published on: August 5, 2021
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Technical procedures for template-guided surgery for mandibular reconstruction based on digital design and
Yun-feng Liu1, Liang-wei Xu, Hui-yong Zhu
1Key Laboratory of E&M (Zhejiang University of Technology), Ministry of Education & Zhejiang Province, Hangzhou 310014, China. liuyf76@126.com.
Biomedical Engineering Online
|June 3, 2014
Summary
This study introduces a novel digital surgical technique for mandibular defect repair, improving accuracy and reducing surgery time. The method offers a cost-effective and convenient solution for patients in China.
Area of Science:
- Oral and Maxillofacial Surgery
- Biomedical Engineering
- Digital Health
Background:
- Increasing incidence of mandibular defects due to tumors necessitates improved surgical repair.
- Traditional repair methods face challenges in accuracy, impacting oral function and aesthetics.
- High costs and limited availability of international digital surgical platforms hinder widespread adoption in China.
Purpose of the Study:
- To present a novel, accessible digital workflow for guided mandibular defect repair surgery.
- To enhance surgical accuracy and patient outcomes using 3D printing and digital design.
- To provide a cost-effective alternative to existing commercial digital surgery solutions.
Main Methods:
- Utilizing medical image processing for 3D reconstruction of mandible and fibular bone.
- Designing surgical guides and planning graft shaping using common software and 3D printing.
- Employing 3D-printed models and surgical guides for preforming titanium plates and guiding intraoperative procedures.
Main Results:
- Achieved high accuracy in cutting and shaping fibular bone grafts for defect repair.
- Enabled precise fixation with preformed titanium plates, facilitating the execution of predesigned surgical plans.
- Reduced operating time by 20% compared to conventional surgery, with significant cost and convenience benefits.
Conclusions:
- The proposed digital method significantly increases accuracy and reduces surgical time for mandibular defect repair.
- Patient satisfaction is high regarding the recovery of oral function and appearance.
- Feasibility and validity are confirmed through successful treatment of over 15 cases.

