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目的 了解三氧消毒杀菌机在不同时间对石膏模型的消毒效果 ,以探讨其临床合理应用的可能性。方法 2 0例石膏模型分别于消毒处理前、消毒处理 15分钟和 3 0分钟取样作细菌培养。结果 2 0例石膏模型消毒前细菌培养 12例为阳性 ;消毒处理 15分钟组的 10例模型 ,2例细菌培养阳性 ;3 0分钟组 10例全部为阴性。结论 三氧消毒杀菌机对义齿石膏模型具有良好的消毒效果 ;消毒处理 3 0分钟可达到可靠的灭菌效果。
Objective To understand the disinfection effect of three oxygen disinfector on gypsum model at different times to explore the possibility of its clinical application. Methods Twenty gypsum models were sterilized, disinfected for 15 minutes and 30 minutes respectively for bacterial culture. Results Twenty cases of gypsum model were positive before bacterial culture. Ten cases were disinfected for 15 minutes and two cases were positive for bacterial culture. All 10 cases were negative for 10 minutes. Conclusions The triple oxygen disinfector has a good disinfection effect on the denture gypsum model. The sterilizing treatment for 30 minutes can achieve reliable sterilization effect.