Dental gypsum composition

Details Dental gypsum composition Dental gypsum composition

1994-09-19

1996-04-09

Einsmann, Margaret

Compositions: coating or plastic

Coating or plastic compositions

Dental

106 3851, 106 387, 106779, A61K 610

Patent

active

055057713

ABSTRACT:
A dental gypsum composition is disclosed, comprising (A) 100 parts by weight of calcined gypsum, (B) from 0.005 to 5.0 parts by weight of an alkali metal tartrate, (C) from 0.1 to 5.0 parts by weight of a sugar alcohol, and (D) from 0.005 to 3.0 parts by weight of a retarder. The composition provides a denture model excellent in surface smoothness, dimensional precision, and mechanical strength even when combined with an impression made of an agar-based material or an alginate-based material.

REFERENCES:
patent: 3926650 (1975-12-01), Lange et al.
patent: 4647311 (1987-03-01), Ohi et al.
patent: 4911759 (1990-03-01), Ohi et al.

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