Color Stability of PEEK, Zircon, and Acrylic Teeth upon Waterpipe Smoking Exposure

Aim: This study aims to provide valuable insights into the effect of waterpipe exposure on the color change of CAD/CAM plastic dental materials. Method: Three types of crowns were used in this study for color change after they were exposed to waterpipe whole-body exposure machine for 6-months. The materials are PEEK, Zircon, and Acrylic denture teeth. PEEK and Zircon were prepared using Computer Aided Design/Computer Aided Manufacturing (CAD/CAM) while Acrylic teeth were taken from a kit. Results: The findings of this study are important for clinicians. Color changes were measured using a colorimeter. The lightness values generally decreased after exposure across all materials, PEEK, Zircon, and Acrylic denture teeth. The differences in lightness values (L*) among the materials were statistically significant at all exposure durations (p Conclusion: The exposure to waterpipe smoke showed that PEEK, Zircon, and Acrylic denture teeth are susceptible to staining to different extents depending on the duration of exposure.