Asif J, . S, Ali F, Aziz R. EVALUATION OF SOFT TISSUE CHANGES AFTER USE OF TWIN BLOCK VERSUS HERBST APPLIANCE IN CLASS II PATIENTS. Pak Oral Dent J. 2019;39(1):7-11. Accessed February 27, 2026. https://podj.com.pk/index.php/podj/article/view/337