Ikhwan Hidayat Thesis Defense 2009

1. Comparative Study on Ti Surface Modified by Grit Blasting and Acid Etching for Dental Implants Ikhwan Hidayat Supervisor: Professor Sukyoung Kim Biomaterials Lab - Department of Materials Science & Engineering Yeungnam University , South Korea - 2009 Thesis Defense, December 7 th , 2009

2. Outline Objectives Background Introduction Methodology Materials Results & Discussions Conclusions

4. Introduction A dental implant is an artificial tooth root replacement and is used in prosthetic dentistry to support restorations that resemble a tooth or group of teeth The Romans, Chinese, and Aztec used gold in dentistry more than 2000 years ago.. The most widely accepted and successful dental implant today is the osseointegrated implant , discovered by Professor Per-Ingvar Brånemark in the 1950s crown crown gum gum bone bone root implant tooth implant

5. Background The ability of material to attach with the living host tissue Surface roughness Chemical composition Surface morphology & Topography Surgical techniques Bone quality Implant Design surface faster healing implants, cheaper way to manufacture implants Successful implant…

6. Objectives

7. Project Road Map Project Start Literature Study Polishing Grit Blasting Acid Etching In Vitro Cell Test Final Report Project End Project Crushing Sieving Granule Size: 100-150 μm , 150-200 μm , 200-250 μm , and 250-325 μm Output: EDS,Surface Profilometer, SEM Output: EDS,Surface Profilometer, SEM, XRD Output: MTT assay ALP staining

11. Characterization XRD EDS

13. Results & Discussion >

19. Results & Discussion Surface Morphology SEM micrographs (a1) HA blasted; (a2) HA blasted & H 3 PO 4 etched; (a3) HA blasted & HNO 3 etched; (b1) Al 2 O 3 blasted; (b2) Al 2 O 3 blasted H 3 PO 4 etched and; (b3) Al 2 O 3 blasted HNO 3 etched (grit size 200-250 μm) magnification 1000x. The black arrows points the residual alumina particle (b1) (b2) (b3) (a1) (a2) (a3)

23. Thank you… Send your comments or questions to: [email_address] Q&A Session >