D Ring (tines are curved inwards to fix matrix on a distal side of the tooth)

Tines of D-ring are curved inwards to fix matrix on a distal side of the tooth.

High-Quality Stainless Steel Clamp with Flat Tines to be used with Forceps

WARNING!!!
When operating with ring:
1) make sure of the integrity of the ring and absence of rust on it; 
2) avoid high-speed opening;
3) open the ring for not more than 10 - 12 mm width ;
4) open the ring for necessary width outside the mouth before placing it on a tooth.

CLEANING AND STERILISATION INSTRUCTIONS

Recommended to use Dry-heat sterilization process

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