Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1993-09-29
1995-07-04
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523116, 524414, 524416, 524430, 524441, 524492, 524495, 4332011, 4331991, 4332021, 4332281, 4332221, 4332031, 524431, 524556, 524560, 524159, 524160, A61K 608, A61K 800, A61K 1308, C08K 332
Patent
active
054300746
ABSTRACT:
A gum-colored dental composite is provided which may be used in class V dental restorations or as a cosmetic coating for the gingival portion of a tooth. A kit is also provided which enables a gum-colored dental composite to be formulated which closely resembles the natural gum coloration of any patient's gums. The dental composite may be used to counter the illusion of long teeth which occurs when a gum line recedes. The dental composite may also be used on other composite resins, porcelains and metals.
REFERENCES:
patent: 2205488 (1940-06-01), Merrick
patent: 4649165 (1987-03-01), Kuhlmann
patent: 5094619 (1992-03-01), McLaughlin
"The Colouring of Plastics", Chapter 9, pp. 61-63, Imperial Chemical Industries Ltd., Dyestuffs Division (1960).
Alpert Bruce H.
Barnes Nina Y.
Feinman Ronald
Waknine Samuel
DeWitt LaVonda R.
Jeneric Pentron Incorporated
Michl Paul R.
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