Ammdent Prep Canal (EDTA) is a chelating agent can bind to metals via four carboxylate and two amine groups. It is a polyamino carboxylic acid and a colorless, water-soluble solid, which is widely used to dissolve lime scale. It is produced as several salts, notably disodium EDTA and calcium disodium EDTA. EDTA reacts with the calcium ions in dentine and forms soluble calcium chelates.
INDICATIONS:
Prep canal lubricants help remove calcifications and the smear layer as well as lubricate the canal for competent instrumentation
Contain about 15% EDTA. water-based, which allows easy access to the narrow apical area and is easier to remove than gels or creams
Used with a surfactant to loosen up calcifications inside the root canal and facilitate canal shaping for obturation
ADVANTAGES:
Antibacterial effect
Helps to find the root canal entrys
Reduces file breakage during mechanical preparation
EDTA helps in chelating the calcium salts
Gel helps lubricate endodontic instrument and makes penetration easier
Carbamide peroxide in EDTA promotes internal bleaching on irrigation with hypochlorite solution
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