Polymerizable radiopaque dental composition

Details Polymerizable radiopaque dental composition Polymerizable radiopaque dental composition

1987-03-18

1988-08-30

Lilling, Herbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524413, 524780, C08K 310, A61K 608

Patent

active

047677988

ABSTRACT:
A polymerizable, radiopaque dental composition comprising including: one or more ethylenically unsaturated, polymerizable monomer and/or polymer, possibly conventional fillers, pigments, initiators, activators, and thixotropic auxiliary material, as well as, in addition, a heavy-metal fluoride with very low solubility selected from the group consisting of YF.sub.3 and complex heavy-metal fluorides having the general formula M.sup.II M.sup.IV F.sub.6, where M.sup.II is a calcium, strontium, or barium ion, and M.sup.IV is a titanium, zirconium, or hafniun ion. These filler compositions exhibit excellent X-ray visibility along with excellent optical properties.

REFERENCES:
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patent: 3808170 (1974-04-01), Rogers
patent: 3971754 (1976-07-01), Jurecic
patent: 4040846 (1977-08-01), Broemer et al.
patent: 4629746 (1986-12-01), Michl et al.
Chem. Abs., 92-15672u, (1980), Vono et al., Effects of a Yf.

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