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Zerdzicki K, Lemski P, Klosowski P, et al. Tensile modulus of human orbital wall bones cut in sagittal and coronal planes. PLoS One. 2021;16(11):e0259363doi: 10.1371/journal.pone.0259363.
Zerdzicki, K., Lemski, P., Klosowski, P., Skorek, A., Zmuda Trzebiatowski, M., & Koberda, M. (2021). Tensile modulus of human orbital wall bones cut in sagittal and coronal planes. PloS one, 16(11), e0259363. https://doi.org/10.1371/journal.pone.0259363
Zerdzicki, Krzysztof, et al. "Tensile modulus of human orbital wall bones cut in sagittal and coronal planes." PloS one vol. 16,11 (2021): e0259363. doi: https://doi.org/10.1371/journal.pone.0259363
Zerdzicki K, Lemski P, Klosowski P, Skorek A, Zmuda Trzebiatowski M, Koberda M. Tensile modulus of human orbital wall bones cut in sagittal and coronal planes. PLoS One. 2021 Nov 05;16(11):e0259363. doi: 10.1371/journal.pone.0259363. eCollection 2021. PMID: 34739503; PMCID: PMC8570484.
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PLoS One. 2021 Nov 05;16(11):e0259363. doi: 10.1371/journal.pone.0259363. eCollection 2021.

Tensile modulus of human orbital wall bones cut in sagittal and coronal planes.

PloS one

Krzysztof Zerdzicki, Pawel Lemski, Pawel Klosowski, Andrzej Skorek, Marcin Zmuda Trzebiatowski, Mateusz Koberda

Affiliations

  1. Faculty of Civil and Environmental Engineering, Gdansk University of Technology, Gdansk, Poland.
  2. Medical University of Gda?sk, Department of Otolaryngology, Gda?sk, Poland.
  3. Medical University of Gdansk, Department of Ophtalmology, Gdansk, Poland.

PMID: 34739503 PMCID: PMC8570484 DOI: 10.1371/journal.pone.0259363

Abstract

In the current research, 68 specimens of orbital superior and/or medial walls taken from 33 human cadavers (12 females, 21 males) were subjected to uniaxial tension untill fracture. The samples were cut in the coronal (38 specimens) and sagittal (30 specimens) planes of the orbital wall. Apparent density (ρapp), tensile Young's modulus (E-modulus) and ultimate tensile strength (UTS) were identified. Innovative test protocols were used to minimize artifacts and analyze the obtained data: (1) grips dedicated to non-symmetrical samples clamping were applied for mechanical testing, (2) non-contact measuring system of video-extensometer was employed for displacement registration, (3) ink imprint technique coupled with CAD analysis was applied to precisely access the cross-sectional areas of tested samples. With regard to a pooled group, apparent density for the coronal and sagittal cut plane was equal 1.53 g/cm3 and 1.57 g/cm3, tensile Young's modulus 2.36 GPa and 2.14 GPa, and ultimate tensile strength 12.66 MPa and 14.35 MPa, respectively. No significant statistical differences (p > 0.05) were found for all the analyzed parameters when comparing coronal and sagittal plane cut groups. These observations confirmed the hypothesis that direction of sample cut does not affect the mechanical response of the orbital wall tissue, thus suggesting that mechanical properties of orbital wall bone show isotropic character.

Conflict of interest statement

The authors have declared that no competing interests exist.

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