- Gel for orifice detection and chemical and mechanical enlargement of root canals. - Contains EDTA salts (17 %), peroxide (10 %), and cetrimide. - Its main component is EDTA disodium salt. - After injection into dentine, EDTA forms a complex with dentine calcium, loosens the structure of hard tooth tissues, and facilitates the enlargement of the calcified and sclerous orifice of the canals, cleaning, and formation of hardly accessible root canals. - The gel is an effective lubricant for endodontic instruments. - The gel is water soluble and can be easily washed out from the root canals.