Çelik, Hidayet, et al. “Finite Elements Analysis of Stresses Formed in Core and Spongious Bone Tissue by Restored Implanted Fixed Prostheses With Polyetheretherketone (PEEK) and Fiber-Reinforced Composite”. International Dental Research, vol. 11, no. Suppl. 1, Sept. 2021, pp. 250-8, https://doi.org/10.5577/intdentres.2021.vol11.suppl1.37.