Shakir , D. Z. ., & Bahnam, I. N. . (2023). A Comparative evaluation of smear layer removal using: sonic, ultrasonic, and erbium, chromium: yttrium scandium gallium garnet Laser as activated irrigation techniques (an SEM study) . Erbil Dental Journal (EDJ), 6(1), 39–49. https://doi.org/10.15218/edj.2023.05