Rie Fujii, Tomohiro Asai, Masashi Yamada, Ryo Sako, Yoshiki Tamiya, Masahiro Furusawa. Root Canal Treatment of Oehlers Type III Dens Invaginatus in Maxillary Lateral Incisor and Remote Sinus Tract Using Dental Surgical Microscope and Cone-Beam Computed Tomography. The Bulletin of Tokyo Dental College. 2023. 64. 2. 67-74