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A Segmentation-Assisted Three-Dimensional Planning Workflow for Static-Guided Pterygoid Implant Placement: A

Andra Patricia David1, Silviu Brad2, Laura-Cristina Rusu3

  • 1"Victor Babes" University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania.

Journal of Clinical Medicine
|May 4, 2026
PubMed
Summary

This study presents a digital workflow for planning pterygoid implants in atrophic maxillas. The method uses 3D planning and static surgical guides for improved accuracy in complex cases.

Keywords:
computer-assisted surgerycone-beam computed tomographydental implantsimplant planningmaxillary atrophypterygoid regionsurgical guidesthree-dimensional imaging

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Area of Science:

  • Dentistry
  • Oral and Maxillofacial Surgery
  • Implantology

Background:

  • Pterygoid implant placement is an alternative to bone grafting for atrophic posterior maxilla rehabilitation.
  • The procedure is technically challenging due to limited visibility and complex anatomy.
  • A detailed digital workflow for static-guided pterygoid implant placement is lacking in current literature.

Purpose of the Study:

  • To describe and illustrate a digital workflow for static-guided pterygoid implant placement.
  • To integrate automatic segmentation, virtual trimming, and 3D planning for pterygoid implants.
  • To present a proof-of-concept clinical application of this workflow.

Main Methods:

  • A CBCT dataset was used with BlueSkyPlan software for automatic segmentation.
  • Selective virtual trimming of the maxilla and pterygoid process was performed.
  • A static surgical guide was designed, printed, and verified radiographically.

Main Results:

  • The workflow enabled 3D visualization and planning of the pterygoid implant trajectory.
  • Guide design and radiographic verification of the planned trajectory were facilitated.
  • The verification step confirmed methodological consistency between planned and guided trajectories.

Conclusions:

  • A segmentation-assisted 3D planning workflow for static-guided pterygoid implant placement was described.
  • This report serves as a methodological illustration, not a quantitative validation.
  • Further research is needed to assess accuracy, reproducibility, and clinical applicability.