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Customized three-dimensionally printed mandibular external fixator.

A Louvrier1, N Sigaux2, C Meyer3

  • 1Department of Oral and Maxillofacial Surgery, University Hospital of Besançon, Besançon, France; Medical Faculty, University of Franche-Comté, Besançon, France; University of Bourgogne Franche-Comté, INSERM, EFS BFC, UMR1098, Interactions Hôte-Greffon-Tumeur/Ingénierie Cellulaire et Génique, Besançon, France.

International Journal of Oral and Maxillofacial Surgery
|March 16, 2020
PubMed
Summary
This summary is machine-generated.

Customized 3D-printed mandibular external fixators offer a novel solution for complex fractures. This innovative approach provides a lightweight, rigid, and minimally invasive option for treating mandibular pseudarthrosis.

Keywords:
3D printingcomputer-aided designcomputer-aided manufacturingexternal fixator

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Area of Science:

  • Biomedical Engineering
  • Medical Device Design
  • Additive Manufacturing

Background:

  • Traditional mandibular external fixators (EFs) are becoming less available and complex to handle.
  • There is a need for accessible and user-friendly solutions in orthopedic and maxillofacial surgery.

Purpose of the Study:

  • To report the design and clinical application of a novel, 3D-printed, customized mandibular external fixator (EF).
  • To evaluate the feasibility and effectiveness of this 3D-printed EF for treating mandibular pseudarthrosis.

Main Methods:

  • Customized mandibular EF designed using 3D printing technology.
  • Development of an integrated positioning and drilling guide for accurate placement.
  • Clinical application in a patient with septic mandibular pseudarthrosis.

Main Results:

  • The 3D-printed EF demonstrated a favorable balance of lightness and rigidity.
  • The integrated guide facilitated simple, accurate, and safe EF placement.
  • The procedure was minimally invasive and time-efficient, with uneventful clinical use.

Conclusions:

  • This is the first reported clinical use of a 3D-printed, customized mandibular EF.
  • 3D printing technology offers a viable alternative to standard EFs, potentially increasing accessibility for surgeons.
  • This innovation could significantly impact the management of complex mandibular fractures and non-unions.