Surgical and Radiologic Anatomy

, Volume 19, Issue 3, pp 193–199 | Cite as

Stereolithographic models derived from X-ray computed tomography reproduction accuracy

  • J. F. Bouyssié
  • S. Bouyssié
  • P. Sharrock
  • D. Duran
Radiologic Anatomy
Received:
Accepted:

Summary

We investigate the accuracy of complex anatomical replicas derived from X-ray computed tomography data linked to the rapid prototyping technique of stereolithography. Data processing by specific softwares (segmentation, three-dimensional interpolation) allows direct interfacing with the stereolithography apparatus to build a resin replica with reproduction of internal cavities. Our preliminary results about surface and dimensional accuracies suggest that the reproduction of complex anatomical structures by stereolithography is reliable enough to be used for surgical planning, for custom-made implants and for surgical anatomy teaching.

Key words

Rapid prototyping Stereolithography Computer-aided manufacturing Dimensional accuracy Oral surgery 

Modélisation par stéréolithographie à partir des acquisitions tomodensitométriques. Précision de reproduction

Résumé

La reproduction de structures osseuses maxillo-faciales grâce à une technique de prototypage rapide par stéréolithographie est aujourd'hui possible à partir d'un bilan tomodensitométrique. Un traitement informatique des données (segmentation, interpolation 3D) permet de réaliser une interface directe entre les données du scanner et la fabrication assistée par ordinateur. Nos résultats préliminaires sur la précision dimensionnelle et surfacique de la réplique solide modélisée suggèrent que le procédé est suffisamment fiable pour être utilisé lors de la mise au point de protocoles chirurgicaux et pour la fabrication d'implants sur mesure ainsi que pour l'enseignement de l'anatomie chirurgicale.

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Copyright information

© Springer-Verlag 1997

Authors and Affiliations

  • J. F. Bouyssié
    • 1
  • S. Bouyssié
    • 1
  • P. Sharrock
    • 2
  • D. Duran
    • 1
  1. 1.Department of Oral SurgeryFaculty of DentistryToulouseFrance
  2. 2.Inorganic Chemistry LaboratoryPaul Sabatier UniversityToulouseFrance

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