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Midface distraction osteogenesis using a modified external device and 3D virtual simulation: technical note

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Abstract

Introduction/Background

Distraction osteogenesis (DO) with an external distraction device such as the rigid external distraction frame has become an established method for treating midface hypoplasia in faciocraniosynostosis. It allows for greater advancement of the midface in comparison with traditional Le Fort III osteotomies, associated or not with fronto-orbital osteotomies (Le Fort IV). However, the forward movement of the bone segments may not always be performed obeying an ideal distraction vector, resulting in asymmetries, anterior open bite, and loosening of screws. In addition, the cost of the distraction devices is significant and may preclude their routine use in developing countries.

Method

We present an alternative device and method for craniofacial advancement in a clinical case of Crouzon’s syndrome.

Results

A 3D virtual simulation of the distraction vector and a modified external device were used in the current case.

Conclusion

The alternative external device in this case proved to be safe, effective, and reliable.

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Author information

Author notes

  1. Ricardo Santos de Oliveira and Matheus Fernando Manzolli Ballestero contributed equally to this work.

Authors and Affiliations

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

    Ricardo Santos de Oliveira, Matheus Fernando Manzolli Ballestero & Guilherme Gozzoli Podolsky Gondim

  2. Department of Medicine, Federal University of São Carlos, São Carlos, Brazil

    Matheus Fernando Manzolli Ballestero

  3. Division of Pediatric Neurosurgery, Department of Surgery and Anatomy, University Hospital, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil

    Marcelo Volpon Santos

  4. Department of Otorhinolaryngology and Head and Neck Surgery, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, Brazil

    Paulo Barrero Marques Marques Netto

  5. Department of Oral and Maxillofacial Surgery, School of Dentistry, University of São Paulo, São Paulo, Brazil

    Fernando Melhem Elias

Authors
  1. Ricardo Santos de Oliveira
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  2. Matheus Fernando Manzolli Ballestero
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  3. Marcelo Volpon Santos
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  4. Paulo Barrero Marques Marques Netto
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  5. Guilherme Gozzoli Podolsky Gondim
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  6. Fernando Melhem Elias
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Corresponding author

Correspondence to Ricardo Santos de Oliveira.

Ethics declarations

This study was approved by the local Ethics Committee (CAAE: 13798819.6.0000.5440).

Conflict of interest

R.S.O received financial support to participate as a consultant during the scientific development of the Traumec® device.

F.M.E. received financial support as a consultant on 3D virtual simulation for Traumec®.

The other authors have no personal, financial, or institutional interest to disclose regarding any of the materials or devices described in this article.

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de Oliveira, R.S., Ballestero, M.F.M., Santos, M.V. et al. Midface distraction osteogenesis using a modified external device and 3D virtual simulation: technical note. Childs Nerv Syst 36, 1781–1784 (2020). https://doi.org/10.1007/s00381-020-04730-3

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  • DOI: https://doi.org/10.1007/s00381-020-04730-3

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