ArticleInternational journal of ophthalmology2024
Biomechanical analysis of an absorbable material for treating fractures of the inferior orbital wall.
Article in International journal of ophthalmology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Study of zygomaticomaxillary orbital floor complex fractures via endoscopy combined with digital real-time navigation technology.BMC oral health · 2025Article
- Clinical study on precision repair of orbital fractures using 3D-printed orbital models assisting with absorbable plates.BMC ophthalmology · 2025Article
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Authors and funding
7 authors.
Funding
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Abstract
aimTo investigate the biomechanical properties and practical application of absorbable materials in orbital fracture repair.
methodsThe three-dimensional (3D) model of orbital blowout fractures was reconstructed using Mimics21.0 software. The repair guide plate model for inferior orbital wall fracture was designed using 3-matic13.0 and Geomagic wrap 21.0 software. The finite element model of orbital blowout fracture and absorbable repair plate was established using 3-matic13.0 and ANSYS Workbench 21.0 software. The mechanical response of absorbable plates, with thicknesses of 0.6 and 1.2 mm, was modeled after their placement in the orbit. Two patients with inferior orbital wall fractures volunteered to receive single-layer and double-layer absorbable plates combined with 3D printing technology to facilitate surgical treatment of orbital wall fractures.
resultsThe finite element models of orbital blowout fracture and absorbable plate were successfully established. Finite element analysis (FEA) showed that when the Young's modulus of the absorbable plate decreases to 3.15 MPa, the repair material with a thickness of 0.6 mm was influenced by the gravitational forces of the orbital contents, resulting in a maximum total deformation of approximately 3.3 mm. Conversely, when the absorbable plate was 1.2 mm thick, the overall maximum total deformation was around 0.4 mm. The half-year follow-up results of the clinical cases confirmed that the absorbable plate with a thickness of 1.2 mm had smaller maximum total deformation and better clinical efficacy.
conclusionThe biomechanical analysis observations in this study are largely consistent with the clinical situation. The use of double-layer absorbable plates in conjunction with 3D printing technology is recommended to support surgical treatment of infraorbital wall blowout fractures.
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