Printable functionally graded tibial implant for TAR: FE study comparing implant materials, FGM properties, and implant designs

Jyoti,; Ghosh, Rajesh

doi:10.1016/j.compbiomed.2024.108645

Computers in Biology and Medicine

2024

DOI: 10.1016/j.compbiomed.2024.108645

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Printable functionally graded tibial implant for TAR: FE study comparing implant materials, FGM properties, and implant designs

Jyoti,

Rajesh Ghosh

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Cited by 2 publications

References 53 publications

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Design of functionally graded porous lattice structure tibial implant for TAR

Jain,

Jyoti,

Minku

et al. 2024

International Journal of Mechanical Sciences

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Design of functionally graded porous lattice structure tibial implant for TAR

Jain,

Jyoti,

Minku

et al. 2024

International Journal of Mechanical Sciences

View full text Add to dashboard Cite

Multi-material 3D printing of functionally graded soft-hard interfaces for enhancing mandibular kinematics of temporomandibular joint replacement prostheses

Moosabeiki,

Khan,

Cruz Saldivar

et al. 2024

Commun Mater

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Temporomandibular joint (TMJ) replacement prostheses often face limitations in accommodating translational movements, leading to unnatural kinematics and loading conditions, which affect functionality and longevity. Here, we investigate the potential of functionally graded materials (FGMs) in TMJ prostheses to enhance mandibular kinematics and reduce joint reaction forces. We develop a functionally graded artificial cartilage for the TMJ implant and evaluate five FGM designs: hard, hard-soft, and three FGM gradients with gradual transitions from 90% hard material to 0%, 10%, and 20%. These designs are 3D printed, mechanically tested under quasi-static compression, and simulated under physiological conditions. Results from computational modeling and experiments are compared to an intact mandible during incisal clenching and left group biting. The FGM design with a transition from 90% to 0% hard material improves kinematics by 19% and decreases perfomance by 3%, reduces joint reaction forces by 8% and 10%, and increases mandibular movement by 20% and 88% during incisal clenching and left group biting, respectively. These findings provide valuable insights for next-generation TMJ implants.

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Printable functionally graded tibial implant for TAR: FE study comparing implant materials, FGM properties, and implant designs

Cited by 2 publications

References 53 publications

Design of functionally graded porous lattice structure tibial implant for TAR

Design of functionally graded porous lattice structure tibial implant for TAR

Multi-material 3D printing of functionally graded soft-hard interfaces for enhancing mandibular kinematics of temporomandibular joint replacement prostheses

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