Ozdogan, Alper, and Büsra Tosun. “Effects of Different Polishing Procedures on the Surface Roughness and Hardness of Polyether Ether Ketone (PEEK)”. Odovtos - International Journal of Dental Sciences 23, no. 3 (December 4, 2020): 66–74. Accessed July 18, 2024. https://revistas.ucr.ac.cr/index.php/Odontos/article/view/45014.