Related Experiment Video
Updated: Aug 15, 2026
Evaluating the Effects of Different Polishing Methods on Color Stability of Dental Restorations in Pediatric Dentistry
Published on: June 6, 2025
[Analysis of chromatic value of gingival porcelain]
Min Wang1, Jun Sun, Yong-Lie Chao
1Dept. of Prosthodontics, West China College of Stomatology, Sichuan University, Chengdu 610041, China.
Objective:
To study the distribution of the chromatic value of gingival porcelains.
Methods:
The color change of Shofu VINTAGE and Vita VMK95 gingival porcelains on the black and white backings was determined with a spectrophotometer (PR-650).
Results:
The results showed that the chromatic value of gingival porcelains was different on varying backings. The color space of gingival porcelain was L*: 41.85 - 50.64, a*: 12.46 - 19.46, b*: 1.33 - 4.62.
Conclusion:
The chromatic value distribution cannot cover the color region of natural gingiva.