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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

Implant Surface Adhesion Analyzer

Group Members: Brad Galpern

Katie Knudson

Kory Nelson

Academic Advisor: Sean Kohles, PhD

Industry Sponsor: 3I

slide2
Gap
  • Surface roughness of implanted materials affect adhesion quality
  • Macro scale testing borrowed from other industries

http://www.instron.us

objective
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

objective4
Objective
  • Force vs Roughness crack length
  • Force vs Linear crack length

Images courtesy of Dr. Kohles

design components
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
design components6
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
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
design components8
Design Components
  • Test Specimens
    • Machined plastic bars
    • Simulated bio materials
    • Varying mechanical properties
conclusion
Conclusion
  • All design components are scaleable
  • Proof of concept achieved