Abstract: The present invention relates to a polymerizable polyacidic polymer and to a process for preparing the polymerizable polyacidic polymer.

Abstract: The present invention relates to an aqueous dental composition having a pH of less than 7 as well as to the use of a stabilizer for the preparation of an aqueous dental composition having a pH of less than 7.

Abstract: The present invention relates to an aqueous dental composition having a pH of at most 7. Furthermore, the present invention relates to the use of a specific composition for the preparation of an aqueous dental composition.

Abstract: Disclosed herein is a dental composition having a polymerization initiator system with an aromatic tertiary phosphine compound. Further disclosed is the use of the aromatic tertiary phospine compound for the preparation of a photocurable dental compositions.

Abstract: The present disclosure relates to an aqueous dental glass ionomer composition comprising a reactive particulate glass, a water-soluble, polymerizable polymer which is reactive with the particulate glass in a cement reaction, a hydrolysis-stable, water-soluble monomer having a single polymerizable double bond and optionally a carboxylic acid group or hydroxyl group; and a polymerization initiator system, wherein the polymerizable polymer is obtainable by a process comprising a step of polymerizing a mixture comprising a first polymerizable monomer comprising at least one optionally protected carboxylic acid group and a first polymerizable organic moiety, and optionally a second copolymerizable monomer comprising one or more optionally protected primary and/or secondary hydroxyl and/or amino group(s) and a second polymerizable organic moiety, for obtaining an water-soluble polymer; a step of coupling to the water-soluble polymer a compound having a olymerizable moiety and a functional group reactive with an opt

Abstract: An aqueous dental glass ionomer composition comprising (A) a reactive particulate glass, (B) a water-soluble polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, (C) a water-soluble, hydrolysis-stable monomer having a single polymerizable double bond and optionally a carboxylic acid group or hydroxyl group; (D) a water-soluble, hydrolysis-stable polymerizable crosslinker having at least two polymerizable carbon-carbon double bonds; and (E) a polymerization initiator system.

Abstract: Dental composition comprising (a) at least two di- or polyepoxides having 2 to 5 epoxide groups and having a molecular weight of from 200 to 700 Da, or a macromonomeric reaction product obtainable by reacting the diepoxide with a dicarboxylic acid in a molar ratio [diepoxide]/[dicarboxylic acid] of at least 2; (b) one or more primary monoamines and/or disecondary diamines; (c) optionally one or more aliphatic polyamines; (d) a particulate filler, wherein the molar ratio of epoxide groups in component (a) to the N—H bonds in component (b) and (c) [epoxide(a)]/[N—H(b),(c)] is in the range of from 0.9 to 1.

Abstract: Self-adhesive dental restorative composition comprising (i) 10 to 40 percent by weight based on the total weight of the composition of a mixture of hydrolysis-stable polymerizable monomers of the following formula (I): wherein R is a m+n valent organic group having 1 to 20 carbon atoms and optionally 1 to 5 atoms selected from the group of nitrogen, oxygen and sulfur atoms; A independently represents a moiety of the following formula (II): wherein L is a hydrogen atom, a C1-6 alkyl group, a C3-8 cycloalkyl group, a C6-14 aryl group or a group of the following formula (III) wherein R? is a hydrogen atom, a C1-6 alkyl group, a C3-8 cycloalkyl group, or a C6-14 aryl group; X is O, S, NH or NR? wherein R? is a C1-6 alkyl group, a C3-8 cycloalkyl group, a C6-14 aryl group; a is 0 or 1; M is a group of the following formula (IV) wherein Y is O, S, NH or NR?? wherein R?? is a C1-6 alkyl group, a C3-8 cycloalkyl group, a C6-14 aryl group; b is an integer of from O to 3; c is O or 1; d is an integer of from O to 3; pr

Abstract: An aqueous one-pack self-etching and self-priming dental adhesive composition having a pH of at most 2, which comprises: (i) a polymerizable N-substituted alkylacrylic or acrylic acid amide monomer which optionally contains an inorganic acidic moiety selected from a phosphonic acid moiety or a sulfonic acid moiety, and (ii) a curing system.

Abstract: Self-adhesive dental restorative composition comprising (i) 10 to 40 percent by weight based on the total weight of the composition of a mixture of hydrolysis-stable polymerizable monomers of the following formula (I): wherein R is a m+n valent organic group having 1 to 20 carbon atoms and optionally 1 to 5 atoms selected from the group of nitrogen, oxygen and sulfur atoms; A independently represents a moiety of the following formula (II): wherein L is a hydrogen atom, a C1-6 alkyl group, a C3-8 cycloalkyl group, a C6-14 aryl group or a group of the following formula (III) wherein R? is a hydrogen atom, a C1-6 alkyl group, a C3-8 cycloalkyl group, or a C6-14 aryl group; X is O, S, NH or NR? wherein R? is a C1-6 alkyl group, a C3-8 cycloalkyl group, a C6-14 aryl group; a is 0 or 1; M is a group of the following formula (IV) wherein Y is O, S, NH or NR?? wherein R?? is a C1-6 alkyl group, a C3-8 cycloalkyl group, a C6-14 aryl group; b is an integer of from O to 3; c is O or 1; d is an integer of from O to 3; pr

Abstract: An aqueous one-pack self-etching and self-priming dental adhesive composition having a pH of at most 2, which comprises: (i) a polymerizable N-substituted alkylacrylic or acrylic acid amide monomer which optionally contains an inorganic acidic moiety selected from a phosphonic acid moiety or a sulfonic acid moiety, and (ii) a curing system.

Abstract: Dental adhesive composition having a pH of at least 5, which comprises an aqueous solution containing (a) a polymerizable N-substituted alkyl acrylic or acrylic acid amide monomer; (b) a water-soluble polymerizable carboxylic acid; and (c) a water-soluble organic solvent.

Abstract: Dental composition having an improved light and thermal stability, including a mixture of at least a polymerizable resin, at least a polymerizable monomer, at least a polymerization initiator and/or a sensitizer and stabilizer, and at least an organic and/or inorganic filler and pigments in a content of 0 to 90 percent and at least one of the stable radicals.

Abstract: One-part self-etching, self-priming dental adhesive composition having a pH of at most 2, which comprises (a) a polymerizable acidic phosphoric acid ester monomer (b) one or more polymerizable acidic monomers (c) a polymerizable N-substituted alkylacrylic or acrylic acid amide monomer; (d) optionally an organic and/or inorganic acid; (e) an organic water soluble solvent and/or water; and (f) polymerization initiator, inhibitor and stabilizer.

Abstract: The invention concerns a dental composition comprising bisacrylamides that are polymerizable by free-radical polymerization and by Michael-addition polymerization with amines. The application of polymerization and addition polymerization with amines opens the possibility to completely reacted materials that have no oxygen inhibited layers. The claimed bisacrylamides have an improved hydrolytic stability.

Abstract: One-component heat-curable sealant composition for the protection of exposed dental surfaces, comprising (a) a polymerisable monomer and/or oligomer which has at least two polymerizable double bonds per molecule, and (b) an initiator system comprising benzoylperoxide in an amount of at least 2 wt.-% based on the total composition.

Abstract: A dental cement composition comprising (i) a particulate reactive inorganic filler capable of leaching metal ions in the presence of an acid, and (ii) composite particles with grafted polyacidic polymer chains, which are obtainable by a process comprising the following steps: (a) polymerizing one or more free radically polymerizable monomers containing optionally protected acidic groups in the presence of (a1) an initiatior system comprising initiator particles displaying a moiety comprising a radically transferable atom or group as a polymerization initiation site; and (a2) a catalyst facilitating controlled/living polymerisation, and (a3) optionally further polymerizable monomers, for forming a composite particle with grafted optionally protected polyacidic polymer chains; and (b) optionally deprotecting protected acidic groups, for forming composite particles with grafted polyacidic polymer chains.

Abstract: The present invention provides a polymerizable phosphoric acid ester derivative having the following formula (A): wherein Z is COOR1, COSR1, CON(R1)2, CONR1 R2, or CONHR1, R1 and R2 independently are a hydrogen atom, a substituted or unsubstituted C1 to C18 alkyl group optionally substituted by a C3 to C8 cycloalkyl group, a substituted or unsubstituted C3 to C8 cycloalkyl group, a substituted or unsubstituted C4 to C,18 aryl or heteroaryl group, a substituted or unsubstituted C5 to C18 alkylaryl or alkylheteroaryl group, or a substituted or unsubstituted C7 to C30 aralkyl group, whereby two R1 residues may form together with the N-atom to which they are bonded a 5- to 7-membered heterocyclic ring which may contain beside said N-atom a further nitrogen atom or an oxygen atom, and whereby the substituted groups may be substituted by 1 to 5 C1 to C5 alkyl group(s); a is an integer of from 1 to 10, preferably 1 to 5; b is an integer of from 1 to 10, preferably 1 to 5; and R represents an organic residue containi

Abstract: One-component heat-curable sealant composition having a viscosity of at most 5 Pas (23° C.) for the protection of exposed dental surfaces, comprising (a) a polymerisable monomer and/or oligomer having at least two polymerizable double bonds per molecule, and (b) an initiator system comprising a thermally stable initiator having a 10 hour half-life decomposition temperature of from 95° C. to 135° (0.1M in benzene); wherein the composition further contains a precursor for a filler which is an alkoxysilane compound undergoing polycondensation reactions during heat curing of the composition, thereby forming a filler.

Abstract: Dental root canal filling cones are prepared from a filler and a thermoplastic polymer, wherein the thermoplastic polymer is formed by polymerization of polymerizable diepoxide monomer and amine monomer. The amine monomers are primary monoamine and/or a disecondary diamine. The filler has about 40 to 90 weight-% of the cones providing a radio-opacity of at least 3 mm/mm aluminum.