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Updated: May 16, 2026

3D Planning and Printing of Patient Specific Implants for Reconstruction of Bony Defects
Published on: August 4, 2020
[PEEK customized implant for skull esthetic reconstruction]
1Service de chirurgie maxillo-faciale, plastique, esthétique et reconstructrice, hôpital Nord, chemin des Bourrelys, 13915 Marseille cedex 20, France. jmfoletti@gmail.com
This case study explores the use of a customized PEEK implant for cranial reconstruction after a craniotomy. The implant was designed using 3D CT scans and placed after balloon scalp expansion. PEEK is a biocompatible material that is lighter and easier to shape than titanium. The patient experienced satisfactory aesthetic results and a short recovery period. The authors suggest that PEEK may be a viable alternative to titanium for reconstructive surgery, particularly in cases requiring aesthetic restoration.
Area of Science:
- Neurosurgery outcomes research within reconstructive surgery
- Biomedical materials application in cranial reconstruction
- 3D imaging techniques in surgical planning
Background:
Cranial defects from craniotomies often leave visible deformities. Standard approaches like bone grafts or cement may fail to restore symmetry. These methods can also lack durability or conformability. Patients may face long-term aesthetic concerns due to imperfect reconstruction. Prior research has shown that titanium implants offer structural stability. However, titanium can be heavy and difficult to shape for complex contours. No prior work had resolved the balance between aesthetics and practicality. This gap motivated exploration of alternative materials like PEEK.
Purpose Of The Study:
This case study aimed to evaluate PEEK as a material for cranial reconstruction. The specific problem addressed was restoring symmetry after large cranial defects. The motivation stemmed from limitations in current reconstructive methods. The authors sought to demonstrate PEEK's suitability for aesthetic purposes. They also aimed to compare PEEK with titanium in terms of usability and outcomes. Balloon scalp expansion was used to facilitate implant placement. The study focused on a single patient to assess feasibility and satisfaction. The goal was to provide a practical alternative to existing options.
Main Methods:
The PEEK implant was designed using 3D CT reconstruction of the patient’s skull. A digital model was created to match the defect's shape and size. The implant was fabricated using PEEK material due to its biocompatibility. The material was chosen for its strength and conformability to cranial contours. Balloon scalp expansion was performed before implant placement. This step ensured adequate soft tissue coverage for the implant. The surgical procedure involved precise placement and fixation of the PEEK implant. Postoperative recovery was monitored for complications and aesthetic outcomes.
Main Results:
The PEEK implant successfully restored cranial symmetry in the patient. Aesthetic results were described as satisfactory by both the patient and surgeon. Postoperative recovery was short and uncomplicated. The implant provided adequate structural support without complications. PEEK was found to be lighter than titanium, improving patient comfort. The material was easier to shape and adapt to the defect's contours. No adverse reactions to the PEEK material were observed. The case demonstrated PEEK’s potential as a viable reconstructive option.
Conclusions:
The authors concluded that PEEK is a suitable material for cranial reconstruction. The implant provided both structural and aesthetic benefits in the reported case. PEEK’s biocompatibility and conformability were key advantages. The material’s lighter weight compared to titanium was a practical benefit. The use of balloon scalp expansion facilitated implant placement. The short and simple postoperative course supported PEEK’s viability. The authors propose that PEEK is a good alternative to titanium implants. They suggest that PEEK may be particularly suited for aesthetic reconstruction.
Frequently Asked Questions
The authors propose that PEEK is lighter and easier to shape than titanium, which may improve patient comfort and surgical outcomes.
The implant was made from a 3D CT reconstruction of the patient’s skull to match the defect’s shape and size.
The authors suggest that balloon scalp expansion ensured adequate soft tissue coverage for the implant placement.
The postoperative recovery was described as short and simple, with satisfactory aesthetic results observed.
PEEK is biocompatible, conformable, and strong enough to protect the brain, according to the authors.
The authors suggest that PEEK is a good alternative to titanium implants for customized cranial reconstruction.

