Comparison of EndoVac irrigation system with conventional irrigation for removal of intracanal smear layer: An in vitro study - Abarajithan, M; Dham, S; Velmurugan, N; Valerian-Albuquerque, D; Ballal, S; Senthilkumar, H (Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 2011)