The International journal of prosthodontics · 2006
Microbial adherence to a nonprecious alloy after plasma nitriding process.
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Sonugelen Mehmet, Destan Uhmut Iyiyapici, Lambrecht Fatma Yurt, Oztürk Berran, Karadeniz Süleyman
Аннотация
PURPOSE: To investigate the microbial adherence to the surfaces of a nonprecious metal alloy after plasma nitriding.
MATERIALS AND METHODS: The plasma-nitriding process was performed to the surfaces of metals prepared from a nickel-chromium alloy. The microorganisms were labeled with technetium-99m. After the labeling procedure, 60 metal disks were treated with a microorganism for each use.
RESULTS: The results revealed that the amount of adherence of all microorganisms on surfaces was changed by plasma-nitriding process; adherence decreased substantially (P < .05) and the differences in plasma nitriding time were not significant (P> .05)
CONCLUSION: With the plasma-nitriding process, the surface properties of nonprecious metal alloys can be changed, leading to decreased microbial adherence.
MATERIALS AND METHODS: The plasma-nitriding process was performed to the surfaces of metals prepared from a nickel-chromium alloy. The microorganisms were labeled with technetium-99m. After the labeling procedure, 60 metal disks were treated with a microorganism for each use.
RESULTS: The results revealed that the amount of adherence of all microorganisms on surfaces was changed by plasma-nitriding process; adherence decreased substantially (P < .05) and the differences in plasma nitriding time were not significant (P> .05)
CONCLUSION: With the plasma-nitriding process, the surface properties of nonprecious metal alloys can be changed, leading to decreased microbial adherence.