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《Occupation and Health》 2019-09
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Contamination of water,orthodontic equipment and hands of medical staff in orthodontic department of an oral hospital in Chongqing from 2017-2018

JIN Wan-shu;LIAO Hui-ling;Department of Orthodontics,Stomatological Hospital of Chongqing Medical University;  
[Objective] To investigate the contamination of water,equipment materials and hygienic hands of medical staff in orthodontic department of an oral hospital in Chongqing,and provide reference for improving the quality of orthodontic treatment in medical institutions. [Methods]Sampling of water of treatment table,instrument materials and hygienic hands of medical personnel in the orthodontic department of an oral hospital in Chongqing were carried out to monitor the situation of microbial contamination from 2017 to 2018. The results were evaluated according to "Sanitary Standards for Drinking Water" and "Sanitation Standards for Hospital Disinfection". [Results] A total of 191 water samples were collected from the oral treatment table,with a total qualification rate of 60.21%,among which the monitoring qualification rates of oral cavity rinse water,mobile machine spray water,storage tank water,mouthwash water and source water were 69.44%,50.00%,50.00%,62.50% and 67.44%,respectively,with no significant difference in the qualified rate of water for 5 types of water(P0.05). There were 272 commonly used orthodontic instruments,among which the qualified rate of steel tube was 31.25% and that of medical vehicle drawer was39.13%. The qualified rate of bracket,tool rack,rubber chain,orthodontic arch wire and mouth bag were 40.00%,44.44%,59.52%,68.42% and 83.33%,respectively. The difference in the qualified rate of 7 types of orthodontic devices was statistically significant(P0.05). A total of 80 samples were collected from medical staff,including 40 samples from doctors,with a qualified rate of 55.00%. There were 40 samples of hygienic hands of nurses,and the qualified rate was 75.00%. There was no statistically significant difference between the qualified rate of hygienic hands of doctors and nurses(P 0.05). [Conclusion]More effective measures should be taken to prevent and control related pollution problems in water,equipment materials and hands of medical staff in an orthodontic department in Chongqing.
【CateGory Index】: R197.5
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