强光板消毒仪用于口腔科印模托盘正畸模型消毒的研究
Study in application of ultraviolet disinfectant equipment with intense light board in the disinfection of moulage tray and reformative model
目的 为口腔科印模托盘、正畸模型寻找一种安全可靠的消毒方法 ,弥补传统消毒方法 存在的不足.方法 采用自行研制的强光板紫外线消毒仪,经染菌实验、染HBsAg破坏试验及监测观察组与对照组122件印模托盘正畸模型消毒前后含菌量对比,观察消毒效果.结果消毒5 min染菌杀灭率为99.99%,符合卫生部对指示菌杀灭率≥99.9%的标准要求;消毒18 min时,HBsAg抗原性破坏符合卫生部S/N<2.1标准,20 min其抗原性完全破坏;监测122件印模托盘正畸模型物品,其消毒前后含菌量有显著差异. 结论 采用强光板紫外线消毒仪消毒物品,具有对人体无危害,对环境无污染,消毒时间短的优点,为口腔科印模托盘、正畸模型的消毒提供了一种安全、可靠、易操作的方法 .
更多Objective To find a safe way to disinfect moulage tray and reformative model for the department of stomatology and refine the traditional disinfection method. Methods Using the self-developed ultraviolet disinfectant equipment with intense light board, by virus and HBsAg contamina-tion test, we compared the numbers of virus in the observation group and the control group, which con-sisted of 122 moulage trays and reformative models, before and after disinfection, and observed the ef-fect of disinfection. Results After 5-minute disinfection, 99.99% living bacteria were killed, which meets the standard requirement of P.R.C health department that indicator bacteria killing ratio must be greater or equal than 99.9%. After 18-minute disinfection, HBsAg antigen destructiveness meets S/N< 2.1 standard of P.R.C health department. After 20 min, the antigen was destroyed completely. Bacteria contents before and after disinfection in 122 moulage trays and reformative models were different in statistics.. Conclusions The disinfection method using ultraviolet disinfectant equipment with intense light board is harmless, taintless and efficient, and provides a safe, reliable and maneuverable way for the moulage tray and reformative model disinfection in the department of stomntology.
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