D. FOUNDA ErOl2025-12-232025-12-23https://dspace.academy.edu.ly/handle/123456789/1864PEEK has gained much attention as suitable alternative material in recent year, due to features a natural tooth-color appearance and biocompatible restoration material and is free of residual monomer, which is a great advantage as compared to other denture resins.6 However the PEEK has a poor adhesion properties between it and other dental resin material , there for Surface pretreatments of PEEK prior toWhere the prosthodontic treatment is represent as a routine dental procedure to replace the missing or damage of the teeth and surrounding tissue by artificial substitutes , clinician and technicians exert a major role in designing and fabrication of the optimum prosthodontic restorations by using adequate material and methods to gained superior esthetic and typical properties . Previously the material used to make the prosthesis fixed or removable may be made entirely from a metal framework or combination with an aesthetic material as ceramic or acrylic .134Effect of Surface Treatments on Shear Bond