Polymerizable dental compositions

Details Polymerizable dental compositions Polymerizable dental compositions

2005-02-08

2005-02-08

Yoon, Tae H. (Department: 1714)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S113000, C523S115000, C523S120000, C526S217000, C526S220000, C526S227000

Reexamination Certificate

active

06852775

ABSTRACT:
The invention relates to polymerizable dental compositions which contain(a) 10 to 98.999 wt.-% of at least one bi- or higher-functional ethylenically unsaturated monomer,(b) 0 to 88.999 wt.-% of at least one monofunctional ethylenically unsaturated monomer,(c) 0 to 5 wt.-% of an accelerator,(d) 0.001 to 5 wt.-% of a redox initiator system which can trigger the radical polymerisation and(e) 0 to 88.999 wt.-% fillers, thixotropic auxiliaries, retarders and other auxiliaries(f) 1 to 30 wt.-% of a customary plasticizerand are characterized in that the redox initiator system comprises (i) a barbituric acid derivative and/or a malonyl sulfamide and (ii) an organic peroxide, selected from the group of the mono- or multifunctional carboxylic acid peroxyesters, and the constituents (a) to (f) are present in two pastes spatially separated from each other. The dental compositions are suitable as filling material, stump build-up material, fixing cement, temporary crown and bridge material, dental material or for the preparation of inlays, onlays, facing shells, modelling materials.

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