Urapepon S, Medina III VO. Effect of different materials on marginal accuracy of crown coping fabricated by a CAD-CAM system. M Dent J [internet]. 2021 Apr. 26 [cited 2026 Sep. 28];41(1):63-8. available from: https://he02.tci-thaijo.org/index.php/mdentjournal/article/view/246782