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Treatment of Facial Deformities using 3D Planning and Printing of Patient-Specific Implants
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Midface distraction osteogenesis using a modified external device and 3D virtual simulation: technical note.

Ricardo Santos de Oliveira1, Matheus Fernando Manzolli Ballestero2,3, Marcelo Volpon Santos4

  • 1Division of Neurosurgery, Department of Surgery and Anatomy, University Hospital, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, 14049-900, Brazil. rsoliveira30@gmail.com.

Child'S Nervous System : Chns : Official Journal of the International Society for Pediatric Neurosurgery
|June 26, 2020
PubMed
Summary

This study introduces a novel, cost-effective device for craniofacial advancement in Crouzon's syndrome. The alternative external device proved safe and effective for treating midface hypoplasia.

Keywords:
3D surgery simulationCrouzon’s syndromeDistraction osteogenesisLe fort III osteotomyMidface hypoplasiaRigid external device

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Area of Science:

  • Craniofacial surgery
  • Orthognathic surgery
  • Biomedical engineering

Background:

  • Distraction osteogenesis (DO) is established for midface hypoplasia in faciocraniosynostosis.
  • External distraction devices offer greater advancement than traditional Le Fort III/IV osteotomies.
  • Limitations include suboptimal distraction vectors, leading to asymmetries, open bite, and high costs.

Purpose of the Study:

  • To present an alternative device and method for craniofacial advancement.
  • To address limitations of current distraction osteogenesis devices.

Main Methods:

  • A clinical case of Crouzon's syndrome was treated.
  • A 3D virtual simulation of the distraction vector was employed.
  • A modified external distraction device was utilized.

Main Results:

  • The modified external device facilitated craniofacial advancement.
  • The 3D simulation guided the distraction vector.
  • The device demonstrated safety and effectiveness in the clinical application.

Conclusions:

  • The alternative external device is a safe, effective, and reliable option for craniofacial advancement.
  • This approach may offer a more accessible solution, particularly in resource-limited settings.