Objective: to comprehend the disinfection effect of 2% strengthening Glutaraldehyde and Formaldelyke on dental instruments, so as to find a simple and effective disinfection method.

Conclusion: Dental common use instruments can be disinfected effectively with 2% strengthening Glutaraldehyde soaking over 5 minutes or with Formaldelyke liquor fumigation over 10 minutes.

Objective To know the present situation of disinfection and sterilization of oral medical instruments and supplies in order to improve the disinfection administration.