Khanal P, Dixit S, Singh R, Dixit P. Difficulty index in extraction of impacted mandibular third molars and their post-operative complications. J. Kathmandu Med. Coll. [Internet]. 2014 Aug. 12 [cited 2024 Dec. 26];3(1):14-20. Available from: https://nepjol.info./index.php/JKMC/article/view/10918