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Highly accepted restoration materials are polishable and have poor water sorption, less polymerization shrinkage, minimal residual monomer, and exhibit less color change.The patient's food habits and maintenance are very important parameters for achieving color sturdiness for an extended period. 1416 Discoloration of denture base materials on daily usage has been a typical aesthetic problem encountered by many patients.Multiple exposures to various disinfectants may affect the properties of denture base resins, such as color stability and surface roughness. 17,18 IntroductIonMaintaining good oral hygiene is essential, especially with removable partial dentures, and immersion of these prostheses in a disinfectant for the recommended time is a convenient method.Multiple exposures of denture base resins to disinfectant may affect the physical and mechanical properties of the resins. 1,2 Acrylic resins have been the most widely used and accepted among all denture base materials and represent 95% of the plastics in prosthodontics. 3,4 As material roughness may affect plaque formation or removal, it could be assumed that abrasive denture cleansers create a suitable surface on the denture resin for plaque to accumulate and rest. 5,6 The method of sterilization by immersing dentures maintains the surface roughness of the denture resin, making it less susceptible to plaque buildup. 7 Polyetheretherketone (PEEK) is a high-performance, chemically inert biomaterial known for its bioinert characteristics. 8,9 PEEK has become an alternative to conventional and well-investigated veneering and denture base resin materials with low discolorations and improved mechanical properties.PEEK elicits very little or no systemic immunological reactions following intraoral insertion due to its minimal propensity to develop an allergy. 10PEEK-based materials are used in oral rehabilitation alongside other polymers for the fabrication of removable dental prostheses and fixed dental prostheses technologies.
Chidambaranathan et al. (Sat,) studied this question.