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

1993-10-28

1994-09-13

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

106 35, 501 21, 501 25, 501 56, 501 57, 501 64, 501 66, 501 69, 501 70, 501 72, 433171, 4332011, 4332021, 4332031, 4332121, C03C 3118, C03C 3091

Patent

active

053468660

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.degree..+-.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, 0.5 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, 1.0 to 3.8% by weight of TiO.sub.2, 0.8 to 1.4% by weight of Li.sub.2 O, and 0.6 to 2.4% by weight of F.sub.2.

REFERENCES:
patent: 5009709 (1991-04-01), Ibsen et al.

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