Zeb S, Iftikhar A. Accuracy of in-built tip and effective tip expression capacity of different bracket sets with 19x25 stainless steel arch wire.? A Cross-Sectional Evaluation. POJ [Internet]. 2025 Dec. 31 [cited 2026 Apr. 17];17(2):78-85. Available from: https://poj.org.pk/index.php/poj/article/view/413