The invention refers to a dental composition kit which comprises a combination of (A) a one-pack primer composition containing (a) an acid group-having polymerizable monomer and (b) an aromatic secondary amine and/or an aromatic tertiary amine, and (B) a cement composition containing (c) a polyalken
The invention refers to a dental composition kit which comprises a combination of (A) a one-pack primer composition containing (a) an acid group-having polymerizable monomer and (b) an aromatic secondary amine and/or an aromatic tertiary amine, and (B) a cement composition containing (c) a polyalkenoic acid, (d) an ion-leachable glass filler, (e) a polymerizable monomer, (f) water, (g) a peroxide and (h) a salt of an aromatic sulfinic acid. A dental composition kit of this invention is easy to handle, and the cured product of the compositions bonds well to teeth. The kit is useful in restoring decayed or injured teeth and in bonding prostheses to teeth.
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1. A dental composition kit comprising a combination of (A) a one-pack primer composition that contains (a) an acid group-having polymerizable monomer and (b) an aromatic secondary amine and/or an aromatic tertiary amine, and (B) a cement composition that contains (c) a polyalkenoic acid, (d) an ion
1. A dental composition kit comprising a combination of (A) a one-pack primer composition that contains (a) an acid group-having polymerizable monomer and (b) an aromatic secondary amine and/or an aromatic tertiary amine, and (B) a cement composition that contains (c) a polyalkenoic acid, (d) an ion-leachable glass filler, (e) a polymerizable monomer, (f) water, (g) a peroxide and (h) a salt of an aromatic sulfinic acid.2. The dental composition kit according to claim 1, wherein the content of the acid group-having polymerizable monomer (a) in the primer composition (A) is from 1 to 90% by weight and the content of the aromatic secondary amine and/or aromatic tertiary amine (b) therein is from 0.1 to 20% by weight, and in the cement composition (B), the content of the polyalkenoic acid (c) is from 0.5 to 50% by weight, the content of the ion-leachable glass filler (d) is from 10 to 90% by weight, the content of the polymerizable monomer (e) is from 1 to 70% by weight, the content of water (f) is from 1 to 50% by weight, the content of the peroxide (g) is from 0.01 to 10% by weight and the content of the salt of an aromatic sulfinic acid (h) is from 0.01 to 10% by weight.3. The dental composition kit according to claim 1, wherein the acid group-having polymerizable monomer (a) is a polymerizable monomer of the following general formula (I): wherein R1 represents a hydrogen atom or a methyl group; R2 represents an organic group having from 2 to 40 carbon atoms; X represents a group of ?O? or ?NH?; 1 indicates an integer of from 1 to 5; m indicates an integer of 0 or 1; n indicates an integer of from 1 to 4; Y represents a group of ?O? or ?S?; and Z1, Z2and Z3 each represent an oxygen at atom or a sulfur atom.4. The dental composition kit according to claim 1, wherein the acid group-having polymerizable monomer (a) is a polymerizable monomer of the following general formula (II) and/or (III): wherein R1 represents a hydrogen atom or a methyl group; X represents a group of ?O? or ?NH?; x indicates an integer of from 4 to 20; m indicates an integer of 0 or 1; Y represents a group of ?O? or ?S?; and Z1, Z2 and Z3 each represent an oxygen atom or a sulfur atom; wherein R1 represents a hydrogen atom or a methyl group; R3 represents an organic group having from 3 to 10 carbon atoms; X represents a group of ?O? or ?NH?; y indicates an integer of from 2 to 5; m indicates an integer of 0 or 1; n indicates an integer of from 1 to 4; Y represents a group of ?O? or ?S?; and Z1, Z2 and Z3 each represent an oxygen atom or a sulfur atom.5. The dental composition kit according to claim 1, wherein the polyalkenoic acid (c) has a weight-average molecular weight of from 5,000 to 40,000.6. The dental composition kit according to claim 1, wherein the ion-leachable glass filler (d) has a mean particle size of from 0.02 to 20 μm.7. The dental composition kit according to claim 1, wherein the primer composition (A) additionally contains at least one of water and a volatile organic solvent having a boiling point not higher than 150° C.8. The dental composition kit according to claim 1, wherein the primer composition (A) additionally contains a polymerizable monomer not having an acid group.9. The dental composition kit according to claim 1, wherein the cement composition (B) is divided into two packs, wherein one pack is a liquid pack (C) that contains the polyalkenoic acid (c), the polymerizable monomer (e), water (f), and the peroxide (g), and the other pack is a powder pack (D) that contains the ion-leachable glass filler (d) and the salt of an aromatic sulfinic acid (h).10. The dental composition kit according to claim 1, wherein the cement composition (B) is divided into two paste packs, wherein one pack is paste composition (E) that contains the polyalkenoic acid (c), the polymerizable monomer (e), water (f), and the peroxide (g), and the other pack is a pasty composition (F) at contains the ion-leachable glass filler (d), the polymerizable monomer (e), and the salt of aromatic sulfinic acid (h).11. A method of using the dental composition kit according to claim 1, which comprises applying the primer composition (A) to the surface of a tooth to be treated, then filling said tooth with the cement composition (B), and then initiating radical polymerization, wherein the cement is cured and bonds to the tooth.12. A method of using the dental composition kit according to claim 1, which comprises applying the primer composition (A) to the surface of the tooth to be treated, applying the cement composition (B) between the tooth and a prosthesis to be bonded to the tooth, and bonding the prosthesis to the tooth by initiating radical polymerization, wherein the cement is cured and bonds to both the tooth and the prosthesis.
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