Irrigation has an important role in controlling endodontic infection and debridement of the root canal system. CH is a widely used intracanal medicament as it creates a physical barrier from microorganisms and avoids the development of reinfections. However, previous studies have shown that removal of CH before the completion of the root canal obturation increased the sealer penetration into the dentinal tubules, and thus provided a good seal and also strengthens the bond between dentine and sealer6,11.