Biomechanical testing of zirconium dioxide osteosynthesis system for Le Fort I advancement osteotomy fixation

Lukas Hingshammer; Markus Grillenberger; Martin Schagerl; Michael Malek; Stefan Hunger

doi:10.1016/j.jmbbm.2017.09.004

Biomechanical testing of zirconium dioxide osteosynthesis system for Le Fort I advancement osteotomy fixation

Lukas Hingshammer, Markus Grillenberger, Martin Schagerl, Michael Malek, Stefan Hunger

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

Abstract

The following work is the first evaluating the applicability of 3D printed zirconium dioxide ceramic miniplates and screws to stabilize maxillary segments following a Le-Fort I advancement surgery. Conventionally used titanium and individual fabricated zirconium dioxide miniplates were biomechanically tested and compared under an occlusal load of 120 N and 500 N using 3D finite element analysis. The overall model consisted of 295,477 elements. Under an occlusal load of 500 N a safety factor before plastic deformation respectively crack of 2.13 for zirconium dioxide and 4.51 for titanium miniplates has been calculated. From a biomechanical point of view 3D printed ZrO2 mini-plates and screws are suggested to constitute an appropriate patient specific and metal-free solution for maxillary stabilization after Le Fort I osteotomy

Originalsprache	Englisch
Seiten (von - bis)	34-39
Seitenumfang	6
Fachzeitschrift	Journal of the Mechanical Behavior of Biomedical Materials
Jahrgang/Volume	77
DOIs	https://doi.org/10.1016/j.jmbbm.2017.09.004
Publikationsstatus	Veröffentlicht - 2018

Wissenschaftszweige

203 Maschinenbau
201117 Leichtbau
203011 Leichtbau

JKU-Schwerpunkte

Mechatronics and Information Processing
TNF Allgemein

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10.1016/j.jmbbm.2017.09.004

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title = "Biomechanical testing of zirconium dioxide osteosynthesis system for Le Fort I advancement osteotomy fixation",

abstract = "The following work is the first evaluating the applicability of 3D printed zirconium dioxide ceramic miniplates and screws to stabilize maxillary segments following a Le-Fort I advancement surgery. Conventionally used titanium and individual fabricated zirconium dioxide miniplates were biomechanically tested and compared under an occlusal load of 120 N and 500 N using 3D finite element analysis. The overall model consisted of 295,477 elements. Under an occlusal load of 500 N a safety factor before plastic deformation respectively crack of 2.13 for zirconium dioxide and 4.51 for titanium miniplates has been calculated. From a biomechanical point of view 3D printed ZrO2 mini-plates and screws are suggested to constitute an appropriate patient specific and metal-free solution for maxillary stabilization after Le Fort I osteotomy",

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AU - Hunger, Stefan

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