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Updated: Feb 10, 2026
08:01
Designing CAD/CAM Surgical Guides for Maxillary Reconstruction Using an In-house Approach
Published on: August 24, 2018
9.5K
Accuracy of CAD/CAM mandibular reconstruction: A three-dimensional, fully virtual outcome evaluation method
Achille Tarsitano1, Salvatore Battaglia1, Francesco Ricotta1
1Maxillofacial Surgery Unit, S. Orsola-Malpighi Hospital, Department of Biomedical and Neuromotor Sciences, Alma Mater Studiorum University of Bologna, Via S. Vitale 59, 40125, Bologna, Italy.
Summary
Computer-aided design/computer-aided manufacturing (CAD/CAM) for mandibular reconstruction shows high accuracy. This method ensures excellent reproducibility in virtual planning for complex cases.
Area of Science:
- Oral and Maxillofacial Surgery
- Biomedical Engineering
- Digital Dentistry
Background:
- Computer-aided design/computer-aided manufacturing (CAD/CAM) has advanced functional and morphological outcomes in mandibular reconstruction.
- Accurate virtual preoperative planning is crucial for successful reconstructive surgery.
Purpose of the Study:
- To evaluate the accuracy of the CAD/CAM method in mandibular reconstruction.
- To assess the quantitative and qualitative reproducibility of virtual preoperative planning for mandibular reconstruction.
Main Methods:
- A retrospective analysis of 34 patients undergoing mandibular reconstruction using CAD/CAM between 2011 and 2017.
- Accuracy was measured using the Hausdorff distance function to compare postoperative and virtual planned meshes.
- Qualitative assessment of planning reproducibility was performed using colour map analysis of superimposed STL files.
Main Results:
- The average mean error for reconstructions was 1 mm (range 0.4-2.46 mm).
- Maximum errors were concentrated in the symphysis area.
- The body and ramus regions demonstrated the highest accuracy and planning reproducibility.
Conclusions:
- This study is the first to assess 3D reproducibility of virtual planning in CAD/CAM mandibular reconstruction in a homogeneous sample.
- CAD/CAM microvascular reconstruction offers a high degree of reproducibility, even in complex anatomical areas and extensive reconstructions.
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