John S. Comparative Evaluation of Ultrasonic and Sonic Activation Techniques on Irrigant Penetration and Debris Removal in Complex Root Canal Systems. IJPBR [Internet]. 31Dec.2020 [cited 12Jan.2026];8(04):17-0. Available from: https://www.ijpbr.in/index.php/IJPBR/article/view/1109