Finite Element Analysis: A Maxillofacial Surgeon’s Perspective

S, Shyam Sundar; Nandlal, B; Degala, Saikrishna; Mallesh, G.

doi:10.1007/s12663-011-0319-5

Cited by 18 publications

(7 citation statements)

References 20 publications

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“…The FEA is a powerful tool that has been used extensively in structural analysis of facial skeletons that allows detailed visualisation of where structures bend or twist and indicates the distribution of stresses and displacements [ 31 , 32 ]. As a result of the computing advancement, we are increasingly turning to virtual analysis and tools tailored to our needs to test the mechanical properties of facial soft and hard tissues and osteosynthesis materials, repetitively, safely, and cost-effectively, which are all met by FEA [ 33 , 34 ].…”

Section: Discussionmentioning

confidence: 99%

“…FEA is a numerical approach simulating the dynamics of physical objects with confirmed benefits in evaluating facial fracture plating techniques [ 31 , 32 ]. It has the following advantages: graphic visualisation of unseen regions, precise model simulation of perioperative behaviour, time savings, cost-effectiveness, repeatability, and various clinical scenario simulations through variations in force application point, magnitude, and direction [ 31 ].…”

Section: Introductionmentioning

confidence: 99%

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Stability of different fixation methods after reduction malarplasty under average and maximum masticatory forces: a finite element analysis

et al. 2023

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Background Although titanium plates/screws are effective fixation methods (FM) after L-shaped osteotomy reduction malarplasty (LORM), the ideal FM remains controversial. This first finite element analysis (FEA) aimed to study the effect of various zygomatic body/zygomatic arch FM combinations and their placement vectors on the zygoma complex stability after virtual LORM under the effect of both average (150 N/mm2) and maximum (750 N/mm2) forces and three-dimensional (3D) mapping of stress and strain parameters distribution over the zygomatic bone, fixation methods, and total model. Results The fixation methods about the short-arm of the L-shaped osteotomy showed lower stress, strain, and displacement values than those across the long-arm osteotomy site. Combined with any zygomatic arch fixation methods (ZAFm), the two bicortical screws group (2LS) on the zygomatic body osteotomy site resulted in smaller displacements and the lowest zygoma bone stress and displacement when combined with Mortice–Tenon structure (MT) as zygomatic arch fixation method. Applied forces caused statistically significant differences in zygomatic bone stress (P < 0.001 and P = 0.001) and displacement (P = 0.001 and P = 0.002). Conclusion All FMs both on the zygomatic body and zygomatic arch provide adequate zygomatic complex stability after LORM. The 2LS group showed better resistance than rectangular plate (RP) and square plate (SP) with lower stress concentrations. The L-shaped plate with short-wing on the maxilla (LPwM) is more stable than having the short-wing on the zygoma bone (LPwZ). Future prospective clinical studies are required to validate the current findings.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Stability of different fixation methods after reduction malarplasty under average and maximum masticatory forces: a finite element analysis

et al. 2023

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“…Finite element analysis enables simulations and analysis of a mathematical model for a given process or status of a physical system. It is commonly used by researchers to analyse stresses and strains in complex mechanical systems [ 37 ]. Finite element analysis is a good method for assessing modelled variants of the treatment of maxillary constriction in adult patients who require surgical procedures [ 7 , 11 , 20 ].…”

Section: Discussionmentioning

confidence: 99%

Comparison of Tooth- and Bone-Borne Appliances on the Stress Distributions and Displacement Patterns in the Facial Skeleton in Surgically Assisted Rapid Maxillary Expansion—A Finite Element Analysis (FEA) Study

et al. 2021

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The aim of this study was to compare the reduced stresses according to Huber’s hypothesis and the displacement pattern in the region of the facial skeleton using a tooth- or bone-borne appliance in surgically assisted rapid maxillary expansion (SARME). In the current literature, the lack of updated reports about biomechanical effects in bone-borne appliances used in SARME is noticeable. Finite element analysis (FEA) was used for this study. Six facial skeleton models were created, five with various variants of osteotomy and one without osteotomy. Two different appliances for maxillary expansion were used for each model. The three-dimensional (3D) model of the facial skeleton was created on the basis of spiral computed tomography (CT) scans of a 32-year-old patient with maxillary constriction. The finite element model was built using ANSYS 15.0 software, in which the computations were carried out. Stress distributions and displacement values along the 3D axes were found for each osteotomy variant with the expansion of the tooth- and the bone-borne devices at a level of 0.5 mm. The investigation showed that in the case of a full osteotomy of the maxilla, as described by Bell and Epker in 1976, the method of fixing the appliance for maxillary expansion had no impact on the distribution of the reduced stresses according to Huber’s hypothesis in the facial skeleton. In the case of the bone-borne appliance, the load on the teeth, which may lead to periodontal and orthodontic complications, was eliminated. In the case of a full osteotomy of the maxilla, displacements in the buccolingual direction for all the variables of the bone-borne appliance were slightly bigger than for the tooth-borne appliance.

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“…However, it presents a unique opportunity to extract and predict some clinical data if properly used; without the risk of morbidity during conduction of clinical trial if properly executed and conducted. 28…”

Section: Discussionmentioning

confidence: 99%

The Stress Concentration and Biomechanical Properties of the Intraoral Distractors and the Extraoral Distractors Used in Treatment of Hemifacial Microsomia Patients: A Simulation Finite Element Analysis Study

Hadidi

Askar

2021

Journal of Craniofacial Surgery

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Finite Element Analysis: A Maxillofacial Surgeon’s Perspective

Cited by 18 publications

References 20 publications

Stability of different fixation methods after reduction malarplasty under average and maximum masticatory forces: a finite element analysis

Stability of different fixation methods after reduction malarplasty under average and maximum masticatory forces: a finite element analysis

Comparison of Tooth- and Bone-Borne Appliances on the Stress Distributions and Displacement Patterns in the Facial Skeleton in Surgically Assisted Rapid Maxillary Expansion—A Finite Element Analysis (FEA) Study

The Stress Concentration and Biomechanical Properties of the Intraoral Distractors and the Extraoral Distractors Used in Treatment of Hemifacial Microsomia Patients: A Simulation Finite Element Analysis Study

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