Aws Hashim Ali Al-KadhimSarah Taha YousifNusima Mohamed2024-05-302024-05-302021Ali Alkadhim, A. H., Mohamed, N., & Al-Ani, S. T. . (2021). A Rare Case of a Maxillary First Molar with Three Mesio-Buccal Canals. Malaysian Journal of Science Health & Technology, 7(3), 18–21. https://doi.org/10.33102/mjosht.v7i3.1922601-000310.33102/mjosht.v7i3.192https://mjosht.usim.edu.my/index.php/mjosht/article/view/192https://oarep.usim.edu.my/handle/123456789/15447MJoSHT 2021, Volume 7, Special Issue on Clinical Scenarios In Medicine, A Malaysian Experience. eISSN: 2601-0003The maxillary first molar has the highest failure rate of root canal treatment, with missing canals being one of the most common causes of failure. This case illustrates the wide range of root canal anatomy in the maxillary first molar. Therefore, during endodontic care, anatomical variation should be taken into account by radiographic and clinical evaluations.enroot canal treatment, maxillary first molar, mesiobuccal canals.Book18217Special Issue3