Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Method for accurately preparing the color of a dental restoration










Image Number 3 for United States Patent #6030209.

The present invention relates to a method for preparing the color of a dental restoration using a spectrophotometer and a unique color system for porcelain dental restorations which enables a dentist or technician to manipulate the various color components of the porcelain, hue, chroma, value, and translucency, independently. Color component deltas between consecutive colors in the powder sets are equidistant, with the difference in values being linear in color space. This enables simplified, exact matching of a specified color component value. The method comprises illuminating an abutting tooth with light, gathering reflected light, converting the gathered light to analog signals, correct for ambient light interference, translucency effects (if necessary) and varying illumination, using the result to obtain accurate color component values, and employing those values to chose and, where necessary, mix the appropriate powers to obtain the correct color porcelain for the desired dental restoration.








 
 
  Recently Added Patents
Method and apparatus for determining storage capacity error for a data storage device
Apparatus and method of preventing signal delay in display device
Acoustic reconfiguration devices and methods
Organic electroluminescent element
Selecting content for storage in a multi-device cache
Toy
Biosensor kit
  Randomly Featured Patents
Cord attachment for location of cigarette lighter
Method for lifting oil in a well
Hydroxamic acid-containing amino acid derivatives
Method and apparatus for comparing data signals in a container inspection device
Liquid crystal display projector
Table tennis game
Electromagnetic shielding sheet, front sheet for display and electromagnetic shielding sheet manufacturing method
System and method for communication handoff
Organic electro-luminescent device
Step exerciser