Butakhieo, Wachiraporn, Apichaya Olanaramkul, Piyawan Phintong, Subin Puasiri, and Pinpana Thaweesit. 2023. “A SEM Study of The Root Canal Filling Remnant and Patency between Bioceramic Sealer Group and Epoxy-Resin Sealer Group after Removing by Using Ni-Ti Rotary with Eucalyptus Oil and GuttaClear®”. Khon Kaen University Dental Journal 26 (2):1-16. https://he01.tci-thaijo.org/index.php/KDJ/article/view/257059.