
Level I
Every instrument is washed and scrubbed with ultrasonic water treatment, disinfection solutions, and soap.
Level II
All surfaces and floors are wiped twice with disinfection solutions, and the operating rooms are fumigated daily.
Level III
All material storage cabinets are sprayed with disinfection solutions, and boxes are maintained with formalin disinfection tablets
Level IV
All instruments and heat-resistant materials are autoclaved at 121 degrees Celsius and sterilized. All autoclaved instruments are separately marked immediately in sterilized pouches right after they are finished with the autoclave sterilizer.
Level V
Disposable gowns and covers are used to prevent even the slightest possibility of cross-contamination.