Correction of Bimaxillary Protrusion with Four First Premolar Extractions and T-Loop Mechanics: A Case Report. Acta Med Philipp [Internet]. 2022 Sep. 29 [cited 2025 Apr. 11];56(17). Available from: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/4015