The complex morphology of the roots canal system of primary teeth, rely the dentist primarily on chemical cleaning or sterilization and secondarily on mechanical instrumentation during pulpectomy procedures, substances with antimicrobial properties are frequently used as root canal filling materials. Traditionally zinc oxide eugenol, calcium hydroxide ,iodoform based paste , walkcoff paste, KRI paste ,metapex / vitapex are available. Another root canal obturating material that contain zinc oxide eugenol, calcium hydroxide and iodoform is commercially available Endoflas.