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Updated: Jun 17, 2026

Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures
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Computer-assisted three-dimensional surgical planning: 3D virtual articulator: technical note.

S Ghanai1, R Marmulla, J Wiechnik

  • 1University Hospital Heidelberg, Department of Maxillo- and Craniofacial Surgery, D-69120 Heidelberg, Germany. sassan.ghanai@web.de

International Journal of Oral and Maxillofacial Surgery
|December 17, 2009
PubMed
Summary
This summary is machine-generated.

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This study introduces a computer-assisted planning system for dysgnathia treatment, utilizing a virtual articulator for orthognathic surgery splint construction. Preliminary results indicate this virtual method accurately replicates conventional repositioning.

Area of Science:

  • Dentistry
  • Medical Imaging
  • Computer-Aided Surgery

Background:

  • Dysgnathia treatment involves complex surgical planning.
  • Traditional methods rely on physical models and manual adjustments.
  • Computer-assisted planning offers potential for enhanced precision.

Purpose of the Study:

  • To present a computer-assisted planning system for dysgnathia treatment.
  • To evaluate the accuracy of virtually planned splints compared to conventional methods.
  • To demonstrate the transfer of virtual surgical plans to physical splints.

Main Methods:

  • Utilized a virtual articulator for information gathering and splint design.
  • Employed 3D laser scanning of plaster models.
  • Integrated 2D cephalometric images with virtual models for 3D reconstruction and virtual jaw repositioning.

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Last Updated: Jun 17, 2026

Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures
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  • Used a hexapod device for transferring virtual plans to physical splints.

    • Main Results:

    • Demonstrated the process of virtual splint planning for orthognathic surgery.
    • Showcased the deviation analysis of virtually planned splints in six cases.
    • Preliminary results confirmed that conventional repositioning could be replicated using the virtual articulator.

    Conclusions:

    • The presented computer-assisted planning system is a viable tool for dysgnathia treatment.
    • Virtual planning using a virtual articulator can accurately guide orthognathic surgery.
    • This technology holds promise for improving the precision and efficiency of surgical planning.