Research about prevent contamination of water system in department of stomatology by replace holding tank of water and distilled water for each person

Abstract

Objective To know a kind of method to prevent contamination of water system in department of stomatology. Methods Divided 120 patients with dental diseases into the control group and the observation group randomly, there were 60 cases in each group. Replace the holding tank of wa-ter and distilled water per 24 hours was used in the control group, while the method of replace the hold-ing tank of water and distilled water for each person was used in the observation group, and then com-pared the contamination condition of water system between the two groups. Results The percent of pass of water system in the observaiton group was 100%, which significant higher than the 68.33% in the control group. Conclusions Replace the holding tank of water and distilled water for each person is a kind of method to avoid contamination of water system in department of stomatology. Key words: Holding tank of water, Distilled water, Department of stomatology; Contamination of water system