Implant surface adhesion analyzer
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Implant Surface Adhesion Analyzer. Group Members: Brad Galpern Katie Knudson Kory Nelson Academic Advisor: Sean Kohles, PhD Industry Sponsor: 3I. Gap. Surface roughness of implanted materials affect adhesion quality Macro scale testing borrowed from other industries.

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Implant surface adhesion analyzer l.jpg

Implant Surface Adhesion Analyzer

Group Members: Brad Galpern

Katie Knudson

Kory Nelson

Academic Advisor: Sean Kohles, PhD

Industry Sponsor: 3I


Slide2 l.jpg
Gap

  • Surface roughness of implanted materials affect adhesion quality

  • Macro scale testing borrowed from other industries

http://www.instron.us


Objective l.jpg
Objective

  • Design an apparatus to investigate the effects of various surface topographies on the adhesion of implants to bio-materials.

    • Simulate mode 1 fracture

    • Apply, measure and correlate force and displacement data

    • Scaleable

IMMEDIATE OCCLUSAL LOADING™ (IOL™) OF DENTAL IMPLANTS: Predictable Results Through DIEM™ GuidelinesRichard J. Lazzara, DMD, MScD


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Objective

  • Force vs Roughness crack length

  • Force vs Linear crack length

Images courtesy of Dr. Kohles


Design components l.jpg

Frame

6061 Al

Pyramid design - strength, visual access

Secure specimen jig

Houses motor and laser

Electric Motor

3V

1300 to 1 Gear reduction

Design Components


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Design Components

  • Specimen Jig

    • 6061 Al

    • Simulate mode 1 fracture

    • House test specimens

    • Houses other components

  • Sensor Array

    • Input light and voltage, output resistance

    • Scaleable


Design components7 l.jpg
Design Components

  • Laser

    • Powerful and concentrated light

    • Fanned horizontally

    • Drastic contrast to ambient light

  • Force Sensor

    • Compression sensor adapted

    • Input voltage and force, output resistance


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Design Components

  • Test Specimens

    • Machined plastic bars

    • Simulated bio materials

    • Varying mechanical properties





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Conclusion

  • All design components are scaleable

  • Proof of concept achieved


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