Research article summary (published 30 Jul 2009):

Virtual bending of mandibular reconstruction plates using a computer-aided design.

Full Abstract

PURPOSE: The purpose of this study was to investigate the possibility of virtually designing and manufacturing a template for reconstruction plate bending, to be used during treatment of congenital or acquired bony entities. The outcome was compared with plates bent by the freehand approach in a stereolithographic skull model. MATERIALS AND METHODS: From a computed tomography examination, a polygon skull was created and the corresponding stereolithographic model retrieved. A polygon mesh of a Compact UniLock 2.4-mm plate was obtained from Synthes (Bettlach, Switzerland). The polygon plate was bent virtually around the mandible and rendered in all 3 dimensions, and a template was created. Five 10-hole plates were bent using this template, and five 10-hole plates were bent using a stereolithographic model as the template. The 2 groups were compared using the Wilcoxon signed rank test. P values less than .001 was considered to be statistically significant. RESULTS: No statistical difference was seen between the 2 methods. The median discrepancy between the 2 groups was 0.1 mm. CONCLUSION: Within the constraints of this investigation, by use of a virtually produced template based on a virtually planned reconstruction, it is possible to bend a reconstruction plate with the same degree of accuracy as that of the traditional freehand approach.

Author information

Author/s: Dérand, Per (P); Hirsch, Jan-Michael (JM);

Affiliation: Consultant, Department of Surgical Sciences, Oral and Maxillofacial Surgery, Medical Faculty, Uppsala University, Uppsala, Sweden. per.derand(-atsign-)adamomail.se

Journal and publication information

Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't

Journal: Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons (J Oral Maxillofac Surg), published in United States. (Language: eng)

Reference: 2009-Aug; vol 67 (issue 8) : pp 1640-3

Dates: Created 2009/07/20; Completed 2009/08/20;

PMID: 19615575, status: MEDLINE (last retrieval date: 8/21/2009, IMS Date: )

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

External Links for this article
(including full text providers, if available):

Click Electronic Full-text Provider Links to see options for finding the electronic full text links to this article. Note there may be a subscription or fee required for access to the full text. See our FAQ for information on finding FREE full text articles.

This article may also be located in paper journal collections available in many libraries. Use the Journal and Publication Information above to find the full article.

MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Bone Plates Computer-Aided Design Humans Imaging, Three-Dimensional Mandible - surgery Patient Care Planning Pilot Projects

Prosthesis Design Radiology Information Systems Reconstructive Surgical Procedures - instrumentation Surface Properties Surgery, Computer-Assisted Tomography, X-Ray Computed User-Computer Interface

Related articles

These are the highest related articles currently in the database:

• The use of titanium mandibular reconstruction plates in patients with oral cancer. 30 Jul 1999
• Use of a stereolithography model for accurate, preoperative adaptation of a reconstruction plate. 28 Feb 2000
• Mandibular contour reconstruction with three-dimensional computer-assisted models. 30 Mar 2001
• Custom-made cast titanium implants produced with CAD/CAM for the reconstruction of cranium defects. 30 Jul 1999
• A simple fixation device to preserve anatomic position during reconstruction of mandibular defects. 27 Feb 1998
• Biomechanical testing of different osteosynthesis systems for segmental resection of the mandible. 29 Apr 2007
• Bridging mandibular continuity defects with miniplates: an experimental study. 22 Mar 2006
• Comparison of miniplates and reconstruction plates in fibular flap reconstruction of the mandible. 29 Nov 2008
• Custom-made titanium mandibular reconstruction tray. 30 Aug 1999
• Modular endoprosthesis for mandibular reconstruction: a preliminary animal study. 7 Sep 2008

See 100+ related articles.

Related Article Map

Legend: - FREE Full text Article. - Abstract only. - Title only. More help.

See a large map of 100+ related articles.