Modified Difficulty Index Adding Extremely Difficult for Mandibular Third Molar Extraction. J. Bahria Univ. Med. Dent. Coll. [Internet]. 2026 Oct. 2 [cited 2026 Oct. 3];16(04):908-14. Available from: https://jbumdc.bahria.edu.pk/index.php/jbumdc/article/view/866