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OwnerReinhold Hecht, Manfred Ludsteck +2inventors
InventorsReinhold Hecht, Manfred Ludsteck, Thomas Luchterhandt, Markus Mikulla
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The invention relates to a composition which is self-adhesive to the hard tooth tissue, comprising: (A) 5 to 75 percent by weight of one or more mono or higher functional ethylenically unsaturated compounds which additionally have an acid functional group, wherein one of said compounds has a P—OH group, for instance a phosphoric, phosphonic or phosphinic acid group; (B) 2 to 50 percent by weight of one or more mono or higher functional ethylenically unsaturated compounds without any acid functional group; (C) 22.8 to 85 percent by weight of filling material(s), comprising at least one filling material that may react with component (A) in the sense of causing a ion exchange, neutralization, salt formation and/or chelate formation reaction; (D) 0.1 to 8 percent by weight of one or more initiators and optionally activators; (E) 0.1 to 20 percent by weight of further additives, for example, modifiers, wherein the weight ration in % of component (A) relative to component (B) ranges from 21 to 90:10 to 79.
A self-adhesive dental material comprising:
The self-adhesive dental material of one of the above claims, wherein the polymerizable groups of component (A) comprise acrylic, methacrylic, vinyl and/or styryl groups and the acid groups are selected from carboxylic acid residues, acid residues of phosphorus, sulfur and/or of boron.
The self-adhesive dental material of one of the above claims, wherein the polymerizable groups of component (B) are acrylic, methacrylic, vinyl and/or styryl groups.
The self-adhesive dental material of one of the above claims, wherein component (C) comprises fillers which are inert toward the acid functions of component (A).
The self-adhesive dental material of one of the above claims, wherein component (D) is selected from photoinitiators and/or redox initiator systems.
The self-adhesive dental material of one of the above claims, wherein component (D) comprises a redox initiator system comprising barbituric acid or thiobarbituric acid and/or a barbituric or thiobarbituric acid derivative, a peroxodisulfate compound and/or a peroxodiphosphate compound, a sulfinic acid compound, and a copper compound.
The self-adhesive dental material of one of the above claims, wherein component (E) is selected from plasticizers, organic and inorganic pigments and/or dyes, stabilizers and/or heavy metal scavengers, thixotropic assistants, ion donor substances, bactericidal or antibiotic substances.
Dependencies are inferred from the claim text.