Related Experiment Video
Updated: May 14, 2026
Evaluating the Effects of Different Polishing Methods on Color Stability of Dental Restorations in Pediatric Dentistry
Published on: June 6, 2025
[Color-difference evaluation of denture base resin based on CIECAM02 color appearance model]
Zhi-min Guo1, Hong Lin, Gang Zheng
1Peking University School, Beijing, China.
Objective:
To compare the following color-difference equations: CMC, DE2000, CAM02-LCD, CAM02-SCD, CAM020-UCS, and to search for the most appropriate one to evaluate denture base resin.
Methods:
Thirty-five denture based resin pieces which were aging during different time were measured using SP62 spectrophotometer and the color-difference was calculated using the above equations. PF/3, STRESS, and F-test of every calculation result were compared.
Results:
PF/3 of CMC, DE2000, CAM02-LCD, CAM02-SCD, CAM020-UCS were: 22.448, 22.220, 22.840, 21.760, 22.049; STRESS of those were: 0.205, 0.228, 0.260, 0.192, 0.240.
Conclusion:
By comprehensive comparison of PF/3, STRESS and F-test, CAM02-SCD is the most appropriate equation for denture base resin, which was followed by CMC. The scatter diagram of color-difference showedthat color difference measured by instrument method is more objective and accurate compared with human eyes.