How can hardness measurements, tribology and scratch tests be used in the biomedical industry? Especially for materials like teeth, bone, cartilage, and medical devices…
This webinar will show the use of instrumented indentation testing, scratch testing and tribology for the characterization of teeth, bones and cartilage, dental implants and hip implants. The presentation will show how the nanoindentation technique can help in research on enamel lesions and in local characterization of hardness of teeth, effects of a dietary regime on the hardness of bone or cartography of the stiffness of a rat’s femur cartilage. We will also show how the coefficient of friction between bone and hip implant or between coated hip implant and polymer can be measured. All these applications contribute to a deeper understanding of medical treatments, development and optimization of implants, and their mechanical and surface properties.
The main topics will be:
- Evolution of the hardness of tooth enamel after various types of lesions
- Effects of dietary treatment on the hardness of bone
- Stiffness cartography of cartilage on a rat’s femur
- Adhesion of a hydroxyapatite coating on dental implants
- Friction between bone and hip implant: Effects of load and sliding speed
- Friction of coated hip implants
Jiri Nohava is the Head of Product Competence & Lead Application Scientist of the Mechanical Surface Characterization unit at Anton Paar. He obtained his PhD in materials science at the Czech Technical University in Prague. He joined Anton Paar in 2007 and has become a specialist in instrumented indentation and tribology in various domains. His main task is development of new applications with Anton Paar instruments in scientific and industrial projects. He regularly publishes in peer-reviewed journals and participates in international conferences.
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