Dental ceramic material with a relatively low processing tempera

Details Dental ceramic material with a relatively low processing tempera Dental ceramic material with a relatively low processing tempera

1992-11-20

1994-01-25

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

106 35, 501 66, 501 70, 501 72, 501 2, C03C 3091

Patent

active

052815633

ABSTRACT:
A dental ceramic material is disclosed for the preparation and repair of metal ceramic and fully ceramic dentures, which has a processing temperature of 660.+-.30.degree. C., and has the following composition: 60 to 65% by weight of SiO.sub.2, 8.5 to 11% by weight of Al.sub.2 O.sub.3, 8 to 12% by weight of K.sub.2 O, 10.5 to 12% by weight of Na.sub.2 O, 0.7 to 2% by weight of CaO, 0.6 to 2% by weight of BaO, 0.5 to 2.5% by weight of B.sub.2 O.sub.3, 0.1 to 0.6% by weight of Sb.sub.2 O.sub.3, 0 to 0.5% by weight of CeO.sub.2, 1.2 to 3.8% by weight of TiO.sub.2, 0.8 to 1.4% by weight of Li.sub.2 O, and 1.2 to 3.8% by weight of F.sub.2.

REFERENCES:
patent: 4431451 (1984-02-01), Mabie et al.
patent: 5009709 (1991-04-01), Ibsen et al.

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