Implant resonance and the mechanostat theory: Applications of therapeutic ultrasound for porous metallic scaffolds

Deering, Joseph; Presas, Alexandre; Yu, Bosco; Valentín, David; Heiß, Christian; Bosbach, Wolfram A.; Grandfield, Kathryn

doi:10.1016/j.msec.2021.112070

Cited by 3 publications

(4 citation statements)

References 79 publications

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“…However, it's important to note that enhancing secondary stability at the bone-implant interface remains a challenge in implant dentistry. Several approaches have been proposed to improve implant stability, including surface modifications and coating techniques, as well as the use of growth factors and stem cells to promote bone regeneration [60]. Further research is needed to fully understand the mechanisms underlying implant stability and to develop more effective strategies for enhancing osseointegration and reducing implant failures.…”

Section: Discussionmentioning

confidence: 99%

Biomechanical Investigation of Patient-Specific Porous Dental Implants: A Finite Element Study

2023

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The design of the implant and osseointegration play an important role in the long-term stability of implants. This study aims to investigate the impact of porous implants on full and partial osseointegration in varying bone qualities. Finite element models of porous implants were modeled and assembled with normal and weak bones considering full and partial osseointegration. These assemblies were simulated under an occlusal load of 200 N when the outer surfaces of bones were fixed in all directions. The results showed that in the case of full osseointegration, the stresses in surrounding bones were increased with decreasing implant stiffness, while decreased in partial osseointegration. Moreover, the maximum octahedral shear strain in the weak bone exceeded 3000 µε in all the cases but decreased (from 7256 to 3632 µε) with decreasing implant stiffness. According to the mechanostat hypothesis, using porous implants in normal bone may enhance bone density in full osseointegration, while susceptivity of bone damage may reduce in weak bones using porous implants. Thus, careful selection of implant material and design based on the patient’s specific bone quality is crucial for successful outcomes.

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Section: Discussionmentioning

confidence: 99%

Biomechanical Investigation of Patient-Specific Porous Dental Implants: A Finite Element Study

2023

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“…This ex-vivo study follows previous work which investigated mechanics of in-vitro vibration bioreactors 25,26 , and used those to apply vibration excitation to cell cultures 27 . Tissue scaffolds for the mechanical stimulation of cells were analysed for their mechanical behaviour before that [28][29][30] . 7 lateral, 7 medial, and 6 posterior).…”

Section: Future Applicationmentioning

confidence: 99%

“…In this study, a resonance vibration model for the bovine femur is presented. It builds up on previous studies which worked on in-vitro vibration bioreactors, and cell experiments [25][26][27]30 .…”

Section: Quantification Of Sample Deformation Under Resonancementioning

confidence: 99%

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Resonance vibration interventions in the femur: Experimental-numerical modelling approaches

Presas

Valentín

Deering

et al. 2021

Journal of the Mechanical Behavior of Biomedical Materials

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Study of structure and properties of a new porous composite material obtained by direct laser deposition

Gorunov,

Morozov,

Guseva

et al. 2024

Vopr. materialoved.

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The possibility of formation of porous materials for biomedical applications from VT6/Ta/Zr alloy by direct laser deposition has been shown. Varying the laser power allowed to obtain alloys with variable porosity. The modes providing formation of porous material with normal elasticity modulus corresponding to human bone were selected. It was found that the porosity value of 32% is achieved at the laser power of 50 W, which meets the requirements, for example, for dental prosthetics. In the process of direct laser deposition of materials in VT6/Ta/Zr alloys with variable porosity tantalum particles do not melt and act as crystallization centers. Such conditions ensure the formation of a highly dispersed metal structure consisting mainly of VT6 powders with evenly distributed Ta and Zr particles.

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Implant resonance and the mechanostat theory: Applications of therapeutic ultrasound for porous metallic scaffolds

Cited by 3 publications

References 79 publications

Biomechanical Investigation of Patient-Specific Porous Dental Implants: A Finite Element Study

Biomechanical Investigation of Patient-Specific Porous Dental Implants: A Finite Element Study

Resonance vibration interventions in the femur: Experimental-numerical modelling approaches

Study of structure and properties of a new porous composite material obtained by direct laser deposition

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