IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-11-44802 Original Research Paper A Radiographic Analysis Of External Apical Root Resorption (Earr) Of Maxillary Incisors After 6 Months Of Initiation Of Fixed Orthodontic Appliance Therapy Aminul Haque Dr. November 2022 11 11 01 02