El-Shabrawy MM, A Zaki A, Elguindy J, El Nahass H, Abou Bakr K. Patient Satisfaction and Pink Esthetics of PEEK Versus Zirconium Abutments in the Esthetic Zone (A Randomized Controlled Trial). BDS [Internet]. 2021 Jul. 1 [cited 2025 Aug. 21];24(3). Available from: https://ojs.ict.unesp.br/index.php/cob/article/view/2509