Gupta, Gaurav, Raj Kumar Singh, Ashima Relhan, Gurkeerat Singh, and Abhishek Goyal. “Comparison of Apical Root Resorption Encountered During Maxillary Incisor Retraction Using Stainless Steel Boot Loop and TMA Boot Loop – A Case Series”. Orthodontic Journal of Nepal 6, no. 1 (December 12, 2016): 45–48. Accessed November 21, 2024. https://nepjol.info./index.php/OJN/article/view/16181.