El Sokkary, A., Allah, L. S. K., & El Khodary, N. (2021). One year clinical evaluation of fracture and marginal integrety of milled biohpp polyetheretherketon (PEEK) versus zirconia veneered single crowns. Brazilian Dental Science, 24(4 Suppl). https://doi.org/10.4322/bds.2021.e2704