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World Journal of Surgical Oncology

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Open Access 01-12-2014 | Research

Accuracy of using computer-aided rapid prototyping templates for mandible reconstruction with an iliac crest graft

Authors: Da-long Shu, Xiang-zhen Liu, Bing Guo, Wei Ran, Xin Liao, Yun-yan Zhang

Published in: World Journal of Surgical Oncology | Issue 1/2014

Abstract

Background

This study aimed to evaluate the accuracy of surgical outcomes in free iliac crest mandibular reconstructions that were carried out with virtual surgical plans and rapid prototyping templates.

Methods

This study evaluated eight patients who underwent mandibular osteotomy and reconstruction with free iliac crest grafts using virtual surgical planning and designed guiding templates. Operations were performed using the prefabricated guiding templates. Postoperative three-dimensional computer models were overlaid and compared with the preoperatively designed models in the same coordinate system.

Results

Compared to the virtual osteotomy, the mean error of distance of the actual mandibular osteotomy was 2.06 ± 0.86 mm. When compared to the virtual harvested grafts, the mean error volume of the actual harvested grafts was 1412.22 ± 439.24 mm³ (9.12% ± 2.84%). The mean error between the volume of the actual harvested grafts and the shaped grafts was 2094.35 ± 929.12 mm³ (12.40% ± 5.50%).

Conclusions

The use of computer-aided rapid prototyping templates for virtual surgical planning appears to positively influence the accuracy of mandibular reconstruction.

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Title: Accuracy of using computer-aided rapid prototyping templates for mandible reconstruction with an iliac crest graft
Authors: Da-long Shu
Xiang-zhen Liu
Bing Guo
Wei Ran
Xin Liao
Yun-yan Zhang
Publication date: 01-12-2014
Publisher: BioMed Central
Published in: World Journal of Surgical Oncology / Issue 1/2014
Electronic ISSN: 1477-7819
DOI: https://doi.org/10.1186/1477-7819-12-190

At a glance: The STEP trials

Springer Medicine

Accuracy of using computer-aided rapid prototyping templates for mandible reconstruction with an iliac crest graft

Abstract

Background

Methods

Results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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