Dental cavity filling composite material

Details Dental cavity filling composite material Dental cavity filling composite material

1984-04-24

1986-04-01

Hayes, Lorenzo B.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

26099811, 4332281, 523117, 526276, 528399, A61K 608

Patent

active

045798800

ABSTRACT:
A dental filling composite material is disclosed, which contains 10-99% by weight of phosphazene of the formula: ##STR1## in which at least one of R.sub.1 and R.sub.2 represent radicals having not less than 3 carbon atoms and being polymerizable.
The filling composite material is low in polymerization shrinkage, thermal expansion coefficient and water absorption and may be quickly polymerized and cured to form a polymer of high compressive strength, flexural strength and hardness.

REFERENCES:
patent: 3311622 (1967-03-01), Joffre
patent: 4061606 (1977-12-01), Dieck et al.
patent: 4200721 (1980-04-01), Fletcher
patent: 4242491 (1980-12-01), Hergenrother et al.
patent: 4321217 (1982-03-01), Allcock et al.

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