Biomechanics of the Fracture Fixation

Zhang, Yingze; Wang, Hongde; Wang, Tianrui; Chen, Wei; Zhu, Yanbin

doi:10.1007/978-981-15-3159-0_12

Cited by 2 publications

(1 citation statement)

References 115 publications

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“…Over the decades, especially after the work of Obwegeser [7,26], attention has only been paid to the directions and angles of the osteotomies performed, with the intra-oral approach being the standard in most cases, without prioritizing the biomechanics of the musculoskeletal system [50,51]. The biomechanical conditions, such as the effect of the load and the position of the muscles, change as a result of the displacement of the bone segment [43].…”

Section: Discussionmentioning

confidence: 99%

Sixty Years of Innovation in Biomechanical Orthognathic Surgery: The State of the Art and Future Directions

Andreucci

2024

Osteology

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Craniofacial surgery is proposed and performed for a variety of reasons, ranging from congenital or acquired malformations to emotional disorders and parafunctions of the masticatory, respiratory, auditory, and visual systems. Surgery of the mandible and its orthostatic repositioning is the most common of these corrections of craniofacial anomalies. Throughout the history of these procedures, various techniques have been proposed and perfected, but always with a high rate of minor and major complications. The recurrence rate of mandibular malposition is high, as is the temporary loss of facial sensitivity and motor skills. These outcomes are often related to the choice of surgical technique rather than the skill of the surgeon, which is considered to be one of the most important factors in the final outcome. Surgical techniques involving direct manipulation of the vascular-nervous bundles, such as bilateral sagittal split osteotomy, clearly present the possibility of major or minor complications. In this study, an orthognathic surgical technique, performed by the same team for over 40 years and now available through a 20-year postoperative patient follow-up study, is presented with a literature review relating it to biomechanical concepts and bone remodeling to analyze the evolution of orthognathic surgery since it became common practice to correct maxillofacial discrepancies. In this review, we also present a case report in which previous orthodontic treatment prepared a patient for surgical correction of mandibular bone discrepancy without the need for combined maxillary and/or genioplasty, and we describe the most commonly used techniques today, as well as their advantages and disadvantages. The combination of established concepts together promotes favorable stability of mandibular osteotomies, functional anatomical positioning of the temporomandibular joint, reduced risk of injury to the mandibular vasculo-nervous bundle, and good aesthetics with positive patient acceptance and no relapse, thus these are the objectives for proposing innovative treatments that combine the technologies available today.

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Section: Discussionmentioning

confidence: 99%

Sixty Years of Innovation in Biomechanical Orthognathic Surgery: The State of the Art and Future Directions

Andreucci

2024

Osteology

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Finite element analysis and optimization studies on tibia implant of SS 316L steel and Ti6Al4V alloy

Sathone,

Potdar

2024

Biomed. Phys. Eng. Express

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Tibial fractures account for approximately 15% of all fractures, typically resulting from high-energy trauma. A critical surgical approach to treat these fractures involves the fixation of the tibia using a plate with minimally invasive osteosynthesis. The selection and fixation of the implant plate are vital for stabilizing the fracture. This selection is highly dependent on the plate’s stability, which is influenced by factors like the stresses generated in the plate due to the load on the bone, as well as the plate’s length, thickness, and number of screw holes. Minimizing these stresses is essential to reduce the risk of implant failure, ensuring optimal stress distribution and promoting faster, more effective bone healing. In the present work, the finite element and statistical approach was used to optimize the geometrical parameters of the implant plate made of SS 316L steel and Ti6Al4V alloy. A 3D finite element model was developed for analyzing the stresses and deformation, and implant plates were manufactured to validate the results with the help of an experiment conducted on the universal testing machine. A strong correlation was observed between the experimental and predicted results, with an average error of 8.6 % and 8.55 % for SS316L and Ti6Al4V alloy, respectively. Further, using the signal-to-noise ratio for the minimum stress condition was applied to identify the optimum parameters of the plate. Finally, regression models were developed to predict the stresses generated in SS316L and Ti6Al4V alloy plates with different input conditions. The statistical model helps us to develop the relation between different geometrical parameters of the Tibia implant plate. As determined by the present work, the parameter most influencing is implant plate length. This outcome will be used to select the implant for a specific patient, resulting in a reduction in implant failure post-surgery.

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Biomechanics of the Fracture Fixation

Cited by 2 publications

References 115 publications

Sixty Years of Innovation in Biomechanical Orthognathic Surgery: The State of the Art and Future Directions

Sixty Years of Innovation in Biomechanical Orthognathic Surgery: The State of the Art and Future Directions

Finite element analysis and optimization studies on tibia implant of SS 316L steel and Ti6Al4V alloy

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