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This study was designed to investigate the effect of an air-powder abrasive system on the surface texture of implant materials.Single-and poly-crystalline alumina, hydroxyappatite, partially stabilized poly-crystalline zirconia and pure titanium were used in this study. Before and after one minute of air-powder jetting, the surface roughness and contact angle were measured. The surface was also examined by scanning electron microscopic observation.After jetting, the surface roughness was increased in hydroxyapatite and pure titanium, decreased in zirconia but not changed in alumina. The contact angle was decreased in hydroxyappatite and pure titanium, increased in zirconia but not changed in alumina. In scanning electron microscope observation, the surfaces of all the materials examined were free from the effect of jetting.These results indicate that there is no problem in air-powder abrasive system for these implant materials.

nihon hotetsu shika gakkai zasshi

A Study on Air-Powder Abrasive System for Prosthetic Clinical Application. Part 4. Effect of Air-Powder Abrasive System on Surface Texture of Implant Materials.