Bahadur, Yash Raj, Deepak Kumar Agarwal, Ankur Gupta, and P Narayana Prasad. 2016. “Frictional Resistance in Various Ceramic Brackets Using Archwires of Different Alloys, Sizes and Cross Sections: A Comparative Study”. Orthodontic Journal of Nepal 6 (1):18-22. https://doi.org/10.3126/ojn.v6i1.16174.