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Updated: May 21, 2026

Three-Dimensional Reconstruction of Orbital Fractures

Three-Dimensional Reconstruction of Orbital Fractures

Published on: May 16, 2025

Forces affecting orbital floor reconstruction materials--a cadaver study.

Falk Birkenfeld¹, Martin Steiner, Matthias Kern

¹Institute of Anatomy, Christian-Albrechts University Kiel, Kiel, Germany. f.birkenfeld@anat.uni-kiel.de

Journal of Cranio-Maxillo-Facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery

|June 26, 2012

Summary

This summary is machine-generated.

Orbital floor reconstruction materials, like PDS-foil and collagen membrane, showed minimal force and displacement on orbital contents. Artificially aged materials retained sufficient puncture strength for reconstruction applications.

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Proximal Cadaveric Femur Preparation for Fracture Strength Testing and Quantitative CT-based Finite Element Analysis

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Published on: March 11, 2017

Area of Science:

Ophthalmology
Biomaterials Science
Trauma Surgery

Background:

Orbital floor reconstruction is crucial for restoring orbital integrity after trauma.
Assessing the biomechanical properties of reconstruction materials under simulated aging is essential for clinical success.

Purpose of the Study:

To evaluate the applied force and displacement on orbital contents using aged reconstruction materials.
To analyze the puncture strength of PDS-foil and collagen membranes after artificial aging.

Main Methods:

Utilized six fresh frozen human heads to create orbital floor defects via direct impacts.
Assessed defect sizes and material displacements after Le-Fort-I osteotomy.
Simulated aging of PDS-foil and collagen membranes to evaluate puncture strength.

Main Results:

Orbital floor defect sizes averaged 208.3 mm² (globe impacts) and 221.8 mm² (infraorbital impacts).
Minimal forces (0.003-0.03 N) and displacements (+0.7 to +0.9 mm) were observed on the reconstruction materials.
Puncture strength of aged materials significantly decreased but remained sufficient for the applied forces.

Conclusions:

Reconstruction materials exert minimal force and displacement on orbital contents.
Artificially aged PDS-foil and collagen membranes possess adequate puncture strength for orbital reconstruction.