Obturating the root of the tooth is done as tissue saving procedure in infections of the denture. The benefits of obturation lie in its ability to prevent the continuation and progression of tooth cavity infection. The procedure is simply done to cleanse, remodel, and fill in the cavity. There are many techniques for root canal obturation. Moreover, there are avoidable and manageable complications for this endodontic procedure that warrants discussion. To review the different techniques of endodontic obturation, postoperative complications, and technique improvement. Electronic database PubMed was used in this review and data was collected from relevant journal articles, randomized controlled trials, and observational studies containing the term used in the mesh: “endodontic"[Mesh] AND “obturation"[Mesh] within the title or abstract. Obturation is essential for preventing the progression of dental infection and decay. The sealing of voids nearly guarantees protection of periapical tissue from infection spread. There are complications of this procedure that may occur, including micro-leakage and postoperative pain.