Process for the optical distinction of a dental material and den

Details Process for the optical distinction of a dental material and den Process for the optical distinction of a dental material and den

1990-11-30

1992-04-07

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Dental

C09K 300

Patent

active

051024616

ABSTRACT:
In a method for the optical distinction of a dental material applied to a substrate from natural teeth, false teeth or parts thereof 0.00001 to 1% by wt. of a fluorescent substance having an absorption maximum in the wave length range of 360 to 480 nm and a fluorescence maximum in the wave length range of 480 to 600 nm is incorporated in the dental material, the dental material is applied to the substrate and irradiated with a light source emitting light of a wave length in the region of 360 to 480 nm and is then viewed through a light filter filtering out at least partially the light of a wave length in the region of 360 to 480 nm.

REFERENCES:
patent: 3960753 (1976-06-01), Larrabee
patent: 4957441 (1990-09-01), Byran

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