sterilization instruments

The effectiveness of dry heat sterilization on dental instruments

干热灭菌法对根管器械消毒灭菌效果的实验研究

OBJECTIVE Two methods, autoclave sterilization and chemical disinfectant immersion, are used to sterilize the dental instruments such as dental handpiece and its needles which are contaminated artificially or by clinical operation. The germicidal effects of these two methods are compared.

目的采用压力蒸汽与化学消毒剂两种方法对人工污染及临床使用后自然污染牙科手机、车针等口腔科器械进行灭菌处理，观察比较灭菌效果。

OBJECTIVE To prevent and control of cross infection in dental procedures instruments sterilization.

目的预防和控制口腔科的操作引起的交叉感染.

OBJECTIVE To learn the disinfection and sterilization for dental instruments and to provide scientific basis for related regulations according to the scheme made by Beijing Center for Disease Prevention and Control.

目的了解口腔器械消毒与灭菌方法，为实施《北京市口腔医疗机构消毒隔离工作规范》提供依据。

RESULTS All bacteria and virus that are contaminated on the dental instruments can be completely killed by autoclave sterilization;

结果压力蒸汽灭菌可完全杀灭口腔器械上污染的各种细菌及病毒；

Conclusion The sterilization of dental instruments was more adequate in 2005 than in 2002. But it still needs further improvement in grade one and two hospitals.

结论2005年各级医院口腔器械消毒方式较2002年更为符合要求，但一、二级医院有待进一步提高。