Statement of Problem: Polyether ether ketone material is considered as an important thermoplastic material due to its properties. To obtain a high value stress and tougher hybrid PEEK during different dental applications. Purpose: In this study, it was aimed to improve some mechanical and physical properties of dental (polyether ether ketone) PEEK. Different mechanical properties will be measured at different time intervals after incubation in the Ringer solution. Materials and Methods: A total of 80 samples were produced (n) = 20 used for each test. 2 groups of different PEEK materials were used; extrusion PEEK and compression PEEK (PPE, PPC). All PEEK specimens will be tested after dry storage and then retested after incubation in Ringer’s solution for 1 day, 1 week and 3 weeks at 37®C. Four different mechanical tests were performed for each PEEK sample; Compression, Bending, tensile, and hardness tests will be applied. ANOVA and post-hoc tests were used for statistical analysis. Results: The results of mechanical strength tests including compression, tensile, bending and hardness tests on PEEK (PPE, PPC) showed higher strength values. Incubation with Ringer’s solution at different time intervals affected only the one-week and three-week incubation time values for the entire PEEK sample type. Pure PEEK compression groups (PPC) show higher mechanical stress degrees than other pure PEEK extrusion groups (PPE) while the Stress and strain values showed no significant difference between the two pure PEEK groups (P-value > 0.05). Mechanical tests showed different results between different PEEK samples at different time storage intervals. Conclusion: The measuring parameters (pressure stress, bending stress, tensile stress and hardness value) varied across the study groups (PPE, PPC) and across the four storage conditions/times (dry condition and one day, one week and three weeks in Ringer solution) within the same group.
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