Coating processes – Medical or dental purpose product; parts; subcombinations;... – Dental product
Patent
1994-06-09
1996-01-09
Dudash, Diana
Coating processes
Medical or dental purpose product; parts; subcombinations;...
Dental product
4274194, 4332031, A61C 13083, B05D 302, B05D 714
Patent
active
054827329
ABSTRACT:
The invention provides a method for the preparation of porcelain dental restorations. First, second and third powders are provided in labeled containers. The first powder has a lightness value (L.sub.1) when formed into a least porcelain layer. The second powder has lightness value (L.sub.2) when formed into a less opaque ceramic layer. The third powder has a lightness value (L.sub.3) when formed into most opaque ceramic layer. The third lightness value is greater than the second lightness value, which is greater than the first lightness value. The lightness value lightness value (L.sub.1) are less than 2.5 CIE L*a*b units.
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Dentsply Research & Development Corp.
Dudash Diana
Hanson, Jr. Edward J.
Lovercheck Dale R.
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