Champirat, Tharee, Arthittaya Yonsuwna, and Sasipa Thiradilok. 2018. “Microleakage of endodontically treated tooth with post and core restoration materials using exposed and non-exposed intracanal post techniques”. Mahidol Dental Journal 38 (2). Bangkok, Thailand:101-11. https://he02.tci-thaijo.org/index.php/mdentjournal/article/view/179304.