Yassin, H. . N.; Al-Dahan, Z. . A.; Hamod, M. . A. Evaluation of Antibacterial Effect of Irrigant Solutions (titanium Tetra Fluoride, Green Tea, Sodium Hypochlorite, Normal Saline) Using Real-Time Quantitative – Polymerase Chain Reaction. J Bagh Coll Dent 2015, 27 (3), 140-145.