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OBSERVATION ON EFFICACY OF DIFFERENT DISINFECTION METHODS IN DISINFECTION OF HANDPIECE OF DENTAL HIGH-SPEED TURBINE DRILL
Author(s): 
Pages: 22-25
Year: Issue:  1
Journal: CHINESE JOURNAL OF DISINFECTION

Keyword:  牙钻手机消毒枯草杆菌黑色变种芽孢压力蒸汽紫外线戊二醛;
Abstract: 分别采用不同消毒方法对牙科高速涡轮牙钻手机的消毒效果进行了实验观察.结果,用不同消毒剂棉球对牙钻手机表面进行擦试消毒并作用5 min,对手机表面污染的细菌平均杀灭率为61.5%~100%;对手机内部细菌无杀灭作用.用121℃压力蒸汽灭菌处理20 min,对牙钻手机内外均达到灭菌要求.用紫外线手机消毒器照射消毒5 min,对表面细菌平均杀灭率为89.85%~94.30%,对手机内部细菌杀灭率为61%~67%;用臭氧电子器械消毒柜熏蒸消毒30 min,其杀菌效果与紫外线照射消毒效果接近.以20 g/L戊二醛溶液浸泡消毒20 min,对手机表面细菌芽孢平均杀灭率为97.57%,对手机内部细菌芽孢杀灭率为77.02%.结果显示,所用4种消毒方法只有压力蒸汽灭菌效果达到要求,其他3种方法均达不到消毒合格要求.
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