title: [Analysis of chromatic value of gingival porcelain].
abstract: 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.
  
  
  CONCLUSIONS
  The chromatic value distribution cannot cover the color region of natural gingiva.
authors.affiliation: Dept. of Prosthodontics, West China College of Stomatology, Sichuan University, Chengdu 610041, China.
authors.forename: Min
authors.initials: M
authors.lastname: Wang
authors.forename: Jun
authors.initials: J
authors.lastname: Sun
authors.forename: Yong-Lie
authors.initials: YL
authors.lastname: Chao
mesh_terms: D003116:Color; D003776:Dental Porcelain; D005881:Gingiva; D013053:Spectrophotometry
chemical_list: D003776:Dental Porcelain