Osseointegration improvement by shot peening in titanium dental implants
Keywords:Shot peening, Titanium, Osseointegration, Dental implant, Surface roughness
In order to optimize the implant-bone fixation, different shot peening treatments with different shot particles (TiO2, Al2O3 y SiC. La rugosidad, SiC) have been made. The influence that each type of shot particle has in the bone colonization on the different treatment surfaces has been determined by means of osteoblast-like cells culture. Commercially pure titanium discs have been shot peened. Their qualitative and quantitative surface roughness have been characterized; as well as their surface contamination caused by the shot particles. Particle size has also been determined, before and after the treatment, in order to evaluate their breaking averages. Finally, a TiO2 shot particles manufacture process by sintering has been developed. The manufacture has been necessary since this type of shot particles are not available in the market with the adequate size.
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