Load Transfer Along the Bone-Implant Interface and Its Effects on Bone Maintenance

Faegh, Samira; Chou, Hsuan-Yu; Müftü, Sinan

doi:10.5772/18433

Cited by 5 publications

(5 citation statements)

References 77 publications

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“…Load transfer between implant and peri-implant bone is a crucial parameter that directs the bone failure and adaptive response of bone (Bozkaya et al 2004;Chou et al 2010;Faegh and Müftü 2010;Faegh et al 2011). Studies indicate that general flexure of the mandible can result in high stresses in the bone -implant interface (Fischman 1990;Zarone et al 2003;Nokar and Naini 2010).…”

Section: Discussionmentioning

confidence: 96%

Influence of mastication and edentulism on mandibular bone density

Chou

Satpute

Müftü

et al. 2013

Computer Methods in Biomechanics and Biomedical Engineering

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The aim of this study was to demonstrate that external loading due to daily activities, including mastication, speech and involuntary open-close cycles of the jaw contributes to the internal architecture of the mandible. A bone remodelling algorithm that regulates the bone density as a function of stress and loading cycles is incorporated into finite element analysis. A three-dimensional computational model is constructed on the basis of computerised tomography (CT) images of a human mandible. Masticatory muscle activation involved during clenching is modelled by static analysis using linear optimisation. Other loading conditions are approximated by imposing mandibular flexure. The simulations predict that mandibular bone density distribution results in a tubular structure similar to what is observed in the CT images. Such bone architecture is known to provide the bone optimum strength to resist bending and torsion during mastication while reducing the bone mass. The remodelling algorithm is used to simulate the influence of edentulism on mandibular bone loss. It is shown that depending on the location and number of missing teeth, up to one-third of the mandibular bone mass can be lost due to lack of adequate mechanical stimulation.

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Section: Discussionmentioning

confidence: 96%

Influence of mastication and edentulism on mandibular bone density

Chou

Satpute

Müftü

et al. 2013

Computer Methods in Biomechanics and Biomedical Engineering

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“…Reynolds et al [89] conducted an experiment to predict the failure torque of bone during screw insertion and concluded that the bone density is directly related to ultimate failure torque. Bone implant interface mechanical environment (strain generated at adjacent segment) during postoperative condition plays an important role for bone remodelling [90][91][92][93][94]. Chen et al [74] designed an expandable screw and conducted pull out test to compare it with conventional and cement augmented screw to check the improvement of fixation strength considering osteoporotic bones.…”

Section: Pedicle Screws Rods and Platesmentioning

confidence: 99%

Biomechanics of spinal implants—a review

Jain

Rana

Biswas

et al. 2020

Biomed. Phys. Eng. Express

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Spinal instrumentations have been classified as rigid fixation, total disc replacement and dynamic stabilization system for treatment of various spinal disorders. The efficacy and biomechanical suitability of any spinal implant can be measured through in vitro, in vivo experiments and numerical techniques. With the advancement in technology finite element models are making an important contribution to understand the complex structure of spinal components along with allied functionality, designing and application of spinal instrumentations at preliminary design stage. This paper aimed to review the past and recent studies to describe the biomechanical aspects of various spinal implants. The literatures were grouped and reviewed in accordance to instrumentation category and their functionality in the spinal column at respective locations.

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“…Additional strain over this threshold is considered to be pathological overload [4,5]. Dental implant design has a significant influence on the biomechanics and load transfer of dental implants [6,7].…”

Section: Introductionmentioning

confidence: 99%

Experimental methodology for analysis of influence of dental implant design on load transfer

Šarac¹,

R²,

Tanasić³

et al. 2018

FME Transaction

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Deformations in the vicinity of dental implants are affected by their design and if threshold level of 0.3 % is surpassed, bone resorption could occur. The goal of this study is to present a novel experimental approch for the analysis of effect od dental implant geometry on the surrounding structure strain values. A bone block model, with dimensions of 68x25x9 mm, was made from polymethyl-methacrylate. 3D printed block mold also provided a fixture for vertically placed Strauman ø4.0x12 mm. The sample was loaded in a three-point bending setup. The axial force of 600 N was applied on the dental implant. The Digital Image Correlation method was used for strain and displacement measurement.The highest von Mises strain of 0.7 % is located in the area of implant neck. The maximum displacement value in loading direction was 0.466 mm. Surface strain and displacement are correlated with implant geometry. This experimental methodology can be utilized to estimate dental implant load transfer characteristics.

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Load Transfer Along the Bone-Implant Interface and Its Effects on Bone Maintenance

Cited by 5 publications

References 77 publications

Influence of mastication and edentulism on mandibular bone density

Influence of mastication and edentulism on mandibular bone density

Biomechanics of spinal implants—a review

Experimental methodology for analysis of influence of dental implant design on load transfer

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