Azeem M, Ahmad A, Akram H, Shakoor U, Mehmood A, Khan MI. LED LIGHT TIP DISTANCE EFFECT ON SHEAR BOND STRENGTH OF ORTHODONTIC BRACKETS: IN-VITRO STUDY. Pak Oral Dent J. 2017;37(4):580-582. Accessed February 27, 2026. https://www.podj.com.pk/index.php/podj/article/view/20