When operating with ring:

1. Make sure of the integrity of the ring and the absence of rust on it.
2. Avoid high-speed opening.
3. Open the ring for width, not more than 10 – 12 mm.
4. Open the ring for the necessary width outside the mouth before placing it on a tooth.

Cleaning and sterilization instructions:

1. Submerge instruments in cleaning agent solution with neutral pH for 20 min.
2. Rinse the instruments thoroughly with purified water for 3-5 min.
3. Perform standard moist heat/steam sterilization procedure following the sterilizer instructions.

WARNING!

1. Do not use cleaning agents with a high percentage of chlorine and cleaners containing oxalic acid.
2. Do not keep instruments in liquid medium for more than 3 hours.