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

2. Gap Surface roughness of implanted materials affect adhesion quality Macro scale testing borrowed from other industries http://www.instron.us

3. 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

4. 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

5. 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

6. 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

7. 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

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

9. Testing

10. Results

11. Results

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