Dentsply Sirona Inc.

Christoph P Fik

Joachim E Klee

Maximilian Maier

Jacques Lalevee

Fabrice Morlet-Savary

Celine Dietlin

Jean Pierre Fouassier

Sven Pohle

Mariem Bouzrati-Zerelli

Helmut Ritter

Christian Scheufler

Florian Szillat

Christoph Weber

Huaibing Liu

Markus Ringwald

Marina Barudzija

Magnus Schmidt

The present invention relates to a dental composition comprising a specific radically polymerizable compound and a radical initiator system. Furthermore, the present invention relates to the specific radically polymerizable compound and its use in a dental composition. The specific radically polymerizable compound of the present invention has an allyl (meth)acrylamide group and a phosphoric acid ester group.

Dental composition

The present invention relates to a dental composition comprising wherein X, Y, Y', Z, L, R, Rand Rare as defined in claimand

Dental composition comprising wherein wherein wherein 

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.

Dental adhesive

The present invention relates to a dental composition comprising a specific polymerizable compound and a polymerization initiator system. Furthermore, the present invention relates to the specific polymerizable compound as such and its use in a dental composition. The specific polymerizable compound of the present invention has an N-allyl (meth)acrylamide group, which nitrogen atom is substituted with an alkyl or alkenyl group optionally substituted by a group selected from a hydroxyl group, a Calkoxy group, a tertiary amino group and a carboxyl group, wherein 1 to 8 carbon atoms in the main chain of the alkyl or alkenyl group may independently from each other be replaced by a heteroatom selected from an oxygen atom and a sulfur atom.

Disclosed here in is a dental composition having a novel polymerizable compound, a photosensitizer and an iodonium salt. Further disclosed are method of preparing a dental composition.

The present invention relates to a dental composition comprising a specific polymerization initiator system comprising a compound having an acylsilyl- or acylgermanyl-group. The present invention also relates the use of the compound having an acylsilyl- or acylgermanyl group for the preparation of a dental composition.

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. In particular, the present invention relates to an aqueous dental composition having a pH of less than 7 comprising (i) one or more polymerizable compounds having at least one polymerizable double bond; (ii) a polymerization initiator system containing a) an 1,2-diketone photoinitiator compound having a light absorption maximum in the range from 300 to 500 nm; and b) a coinitiator compound; (iii) a stabilizer of the following formula (I) and/or (II), wherein the Rs, which may be the same or different, independently represent a branched Calkyl or alkenyl group, or a Ccycloalkyl or cycloalkenyl group, R' represents a hydrogen atom, a Calkyl or Calkenyl group, or a Cfluoroalkyl or Cfluoroalkenyl group, X represents a group selected from a Calkyl group or a Ccycloalkyl group, and n is 0, 1 or 2; and a solvent mixture comprising an organic solvent and at least 1 percent by weight of water based on the total weight of the aqueous dental composition. 

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.

The present invention relates to a dental composition comprising an initiator system comprising a sensitizer compound having an acylsilyl- or acylgermyl-group and a specific coinitiator compound. The present invention also relates to an initiator system consisting essentially of the sensitizer compound having an acylsilyl- or acylgermyl-group and a coinitiator compound wherein a C&#x2014;H bond dissociation energy is less than 95 Kcal/mol. Furthermore, the present invention relates to the use of this initiator system for the preparation of a dental composition.

Growing community of inventors

Schonenberg a.d. Thur, Switzerland

Christoph P Fik