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Open Access 01-12-2014 | Research

Mandibular reconstruction using plates prebent to fit rapid prototyping 3-dimensional printing models ameliorates contour deformity

Authors: Masaki Azuma, Toru Yanagawa, Naomi Ishibashi–Kanno, Fumihiko Uchida, Takaaki Ito, Kenji Yamagata, Shogo Hasegawa, Kaoru Sasaki, Koji Adachi, Katsuhiko Tabuchi, Mitsuru Sekido, Hiroki Bukawa

Published in: Head & Face Medicine | Issue 1/2014

Abstract

Background

Recently, medical rapid prototyping (MRP) models, fabricated with computer-aided design and computer-aided manufacture (CAD/CAM) techniques, have been applied to reconstructive surgery in the treatment of head and neck cancers. Here, we tested the use of preoperatively manufactured reconstruction plates, which were produced using MRP models. The clinical efficacy and esthetic outcome of using these products in mandibular reconstruction was evaluated.

Methods

A series of 28 patients with malignant oral tumors underwent unilateral segmental resection of the mandible and simultaneous mandibular reconstruction. Twelve patients were treated with prebent reconstruction plates that were molded to MRP mandibular models designed with CAD/CAM techniques and fabricated on a combined powder bed and inkjet head three-dimensional printer. The remaining 16 patients were treated using conventional reconstruction methods. The surgical and esthetic outcomes of the two groups were compared by imaging analysis using post-operative panoramic tomography.

Results

The mandibular symmetry in patients receiving the MRP-model-based prebent plates was significantly better than that in patients receiving conventional reconstructive surgery.

Conclusions

Patients with head and neck cancer undergoing reconstructive surgery using a prebent reconstruction plate fabricated according to an MRP mandibular model showed improved mandibular contour compared to patients undergoing conventional mandibular reconstruction. Thus, use of this new technology for mandibular reconstruction results in an improved esthetic outcome with the potential for improved quality of life for patients.

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Title: Mandibular reconstruction using plates prebent to fit rapid prototyping 3-dimensional printing models ameliorates contour deformity
Authors: Masaki Azuma
Toru Yanagawa
Naomi Ishibashi–Kanno
Fumihiko Uchida
Takaaki Ito
Kenji Yamagata
Shogo Hasegawa
Kaoru Sasaki
Koji Adachi
Katsuhiko Tabuchi
Mitsuru Sekido
Hiroki Bukawa
Publication date: 01-12-2014
Publisher: BioMed Central
Published in: Head & Face Medicine / Issue 1/2014
Electronic ISSN: 1746-160X
DOI: https://doi.org/10.1186/1746-160X-10-45

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Mandibular reconstruction using plates prebent to fit rapid prototyping 3-dimensional printing models ameliorates contour deformity

Abstract

Background

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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