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
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Gap

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

http//www.instron.us
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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
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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

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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

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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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Testing
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Results
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Results
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Conclusion

• All design components are scaleable
• Proof of concept achieved