Abstract
Electrolyzed water has attracted great attention because of its excellent bactericidal activities. The electrolyzed water used in clinical dentistry is classified into three types : strong acid water, weak acid water and neutral water according to their pH values. All the three electrolyzed waters are well applicable to the disinfectant for the impressions, the acrylic dentures and the instruments showing excellent bactericidal activities in a significantly shorter treatment as compared with the conventional cleaning. However, strong acid water released a large amount of Au or Cu in the precious metal alloy, and showed a rapid deterioration of its bactericidal activity. The dissolution of ingredient of metal alloy decreased in weak acid water and further decreased in neutral water. The weak acid and neutral waters exhibited excellent durability.
