EDTA solution is used in dentistry for a variety of purposes, including:
Root canal preparation: EDTA is used to decalcify the canal walls, making it easier to shape and enlarge the canal with reamers and files.
Smear layer removal: EDTA is effective at removing the inorganic component of dentin.
Debris removal: EDTA is used to remove debris from the root canal.
Rinsing: EDTA is used for rinsing the root canal.
Lubricant: EDTA is recommended by many manufacturers of nickel-titanium instruments as a lubricant during rotary root canal preparation.
Bacteria elimination: EDTA contributes to the elimination of bacteria in the root canal.
Opening calcified canals: EDTA can be used to open calcified canals.
Preventing canal blockage: EDTA can be used to prevent canal blockage.
Providing a clean environment: EDTA can be used to provide a clean environment in the root canal.