Microbial adherence to a nonprecious alloy after plasma nitriding process.
OBJECTIVE
To investigate the microbial adherence to the surfaces of a nonprecious metal alloy after plasma nitriding.


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)


CONCLUSIONS
With the plasma-nitriding process, the surface properties of nonprecious metal alloys can be changed, leading to decreased microbial adherence.
Sonugelen
Mehmet
M
Department of Prosthodontics, School of Dentistry, Ege University, Izmir, Turkey. Mehmet.sonugelen@ege.edu.tr
Destan
Uhmut Iyiyapici
UI
Lambrecht
Fatma Yurt
FY
Oztürk
Berran
B
Karadeniz
Süleyman
S
D001422:Bacterial Adhesion / Q000502:physiology*; D002176:Candida albicans / Q000502:physiology; D002448:Cell Adhesion / Q000502:physiology; D002858:Chromium Alloys; D020099:Coated Materials, Biocompatible; D006244:Hardness; D009532:Nickel; D017672:Nitrogen Compounds; D013295:Streptococcus mutans / Q000502:physiology; D013499:Surface Properties
D002858:Chromium Alloys; D020099:Coated Materials, Biocompatible; D017672:Nitrogen Compounds; D009532:Nickel