OXILYZER^®is a device to obtain acidic electrolyzed water from tap water. The purpose of this study was to examine to apply the electrolyzed water for dental region. To establish general rules for usage of acidic water (Aqua-oxidized water), the oxidation-reduction potential and chorine (·Cl)-concentration as factors germicidal effect, the efficiency to rinse the mouth and the germicidal effect against microorganisms were examined. Changes in the quality of Aqua-oxidized water the germicidal effect on some oral microorganisms and those with the passage of time on preseruative condition were also examined. The washing efficiency of alkaline water was measured simultaneosly.
The following results were obtained.
1. Aqua-oxidized water with pH below 2.7, O. R. P. over 970 my and the concentration of Clover 0.8 ppm had germicidal effect. Though the germicidal effect of Aqua-oxidized water was reduced by the existance of salivary protein, dilution the protein by rinsing the mouth for three times showed a sufficient germicidal effect on Streptococcus mutans and Candida albicans.
2. The germicidal activity of Aqua-oxidized water was reserved for one month when sealed and shaded in a dark container at 4°C.
3. The less the pH value, the more the solutional rate and the more the effect were obtained in the alkaline water.