Anansushatgul, Chayawat, Pipop Sutthiprapaporn, Busakorn Osatalert, Korkit Waraussawapati, Papawadee Yapanan, and Thalerngsak Samaksamarn. “Second Mesiobuccal Root Canal of Permanent Maxillary First Molars Detection Using Cone Beam Computed Tomography and Root Canal Staining Technique”. Khon Kaen University Dental Journal 25, no. 2 (July 11, 2022): 1–13. Accessed March 29, 2024. https://he01.tci-thaijo.org/index.php/KDJ/article/view/247097.