Eiampongpaiboon, Trinuch, Somsak Chitmongkolsuk, Nattanich Bunyasresth, and Widchaya Kanchanavasita. 2017. “Fracture Resistance of Implant Supported All Ceramic Zirconia-Lithium Disilicate Crowns”. Mahidol Dental Journal 37 (1). Bangkok, Thailand:7-14. https://he02.tci-thaijo.org/index.php/mdentjournal/article/view/179969.