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Treatment of Facial Deformities using 3D Planning and Printing of Patient-Specific Implants
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Splintless orthognathic surgery: a novel technique using patient-specific implants (PSI).

Thomas Gander1, Marius Bredell1, Theodore Eliades2

  • 1Department of Oral and Maxillofacial Surgery, University Hospital of Zürich, Zürich, Switzerland.

Journal of Cranio-Maxillo-Facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery
|January 21, 2015
PubMed
Summary

This study introduces patient-specific implants (PSI) for orthognathic surgery, simplifying 3D imaging-based treatment planning and intraoperative positioning. This novel technique enhances accuracy and efficiency in maxillofacial surgery.

Keywords:
Computer-aided design (CAD)Computer-aided manufacturing (CAM)Orthognathic surgeryPatient-specific implants (PSI)

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Medical Imaging
  • Biomedical Engineering

Background:

  • Three-dimensional imaging has revolutionized orthognathic surgery planning and assessment.
  • Traditional methods like model surgery and face bow transfer are time-consuming and prone to errors.
  • Existing positioning devices and splints require intraoperative manipulation under anesthesia, adding complexity and risk.

Observation:

  • Patient-specific implants (PSI) offer a novel approach to orthognathic surgery.
  • PSI can serve as both positioning guides and rigid fixation for the maxilla.
  • This technique bypasses the need for conventional positioning devices and occlusal splints.

Findings:

  • The described technique utilizes PSI for precise intraoperative maxillary positioning.
  • It eliminates the need for elaborate positioning device setup and removal.
  • Maxillary positioning is achieved without the use of occlusal splints, streamlining the procedure.

Implications:

  • This PSI-based method offers a time-saving and failsafe solution for orthognathic surgery.
  • It enhances the accuracy of transferring 3D treatment plans to the surgical site.
  • The technique has the potential to improve patient outcomes and reduce operating time in maxillofacial procedures.