Dental restorative material

Details Dental restorative material Dental restorative material

1989-11-02

1993-03-09

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523116, 523212, 523213, A61F 200, C08J 510, C08K 336, C08L 3312

Patent

active

051928159

ABSTRACT:
Provided is a dental restorative material having high mechanical strength, abrasion resistance, hardness and excellent aesthetic appearance because it contains a large amount of an ultrafine filler having a particle size of 0.1 .mu.m or less, and can hence be used for restoring molars as well as foreteeth. The dental restorative material comprises an inorganic filler with a size of 0.1 .mu.m or less which is insoluble in water and surface-treated with a silane coupling agent represented by the following general formula: ##STR1## and a (meth)acrylate monomer composition containing at least 50% by weight based on the weight of the composition of at least one hydrophobic multifunctional (meth)acrylate represented by the following general formula: ##STR2## said surface-treated inorganic filler being incorporated in an amount of at least 100 parts by weight based on 100 parts by weight of said monomer composition.

REFERENCES:
patent: 4302381 (1981-11-01), Omura et al.
patent: 4544359 (1985-10-01), Waknine
patent: 4859716 (1989-08-01), Ibsen et al.
patent: 4872936 (1989-10-01), Engelbrecht

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