K, P.K., S, D.P.A. , L, T.T. and M, C. 2023. Metal-Free Alternative “Revolutionary PEKK”: An Emerging Material for Removable and Fixed Prosthesis Usage in Dentistry: A Critical Review. Journal of Advanced Zoology. 44, S5 (Oct. 2023), 1377–1382. DOI:https://doi.org/10.17762/jaz.v44iS-5.1272.