Dental implant materials. I. Some effects of preparative procedures on surface topography

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Abstract
The effect of different treatments for preparing implant materials was examined by scanning electron microscopy and by contact angle measurements. The materials examined were Ti6Al4V alloy, Co‐Cr‐Mo alloy, Al2O3, and synthetic hydroxyapatite. Samples were prepared with solid or porous surfaces of these materials. These were detergent‐cleaned and then either autoclaved (steam sterilization), radiationsterilized, nitric acid‐etched, or plasmacleaned. The results of wettability studies indicated marked changes in surface energy corresponding to the different preparation methods, and differences in surface morphology were also observed. These differences could have significant consequences onin vivoimplant behaviour as mediated by tissue‐implant interactions.