Implant Surface Adhesion Analyzer Group Members:Brad Galpern Katie Knudson Kory Nelson Academic Advisor:Sean Kohles, PhD Industry Sponsor:3I.

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Presentation transcript:

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

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

Objective Force vs Roughness crack length Force vs Roughness crack length Force vs Linear 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 Specimen Jig 6061 Al Simulate mode 1 fracture House test specimens Houses other components Sensor Array Input light and voltage, output resistance Scaleable

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 Components Test Specimens Test Specimens Machined plastic bars Machined plastic bars Simulated bio materials Simulated bio materials Varying mechanical properties Varying mechanical properties

Testing

Results

Results

Conclusion All design components are scaleable All design components are scaleable Proof of concept achieved Proof of concept achieved