Dental investing material

Details Dental investing material Dental investing material

1997-07-23

1998-10-13

Green, Anthony

Compositions: coating or plastic

Coating or plastic compositions

Dental

106 382, 106 383, 106 389, 106692, 106802, 501 4, B22C 108, H61K 600

Patent

active

058206620

ABSTRACT:
A dental investing material is disclosed which comprises a combination of: (a) quartz and/or cristobalite, (b) a phosphate binder, and (c) aluminous cement, wherein said dental investing material is further added with tridymite and magnesium silicate. The disclosed dental investing material shows minimized expansion during hardening, significant expansion during heating and develops no cracks when heated at a conventional heating rate.

REFERENCES:
WPIDS Abstract No. 94-307559 which is an abstract of Japanese Patent Specification No. 06-234612 (Aug. 1994).
WPIDS Abstract No. 94-307560 which is an abstract of Japanese Patent Specification No. 06-234613 (Aug. 1994).
Chemical Abstract No. 102:226076 which is an abstract of Japanese Patent Specification No. 60-001109 (Jan. 1985).
Chemical Abstract No. 114:49650 which is an abstract of Japanese Patent Specification No. 02-207010 (Aug. 1990).

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