The present invention relates to a photocurable dental composition comprising a specific polymerization initiator system containing the combination of a photoinitiator compound and a coinitiator compound being a sulfinate compound or a sulfonate compound. The present invention also relates to the use of this polymerization initiator system in a photocurable dental composition.

The present invention relates to a photocurable dental composition comprising a specific polymerization initiator system containing the combination of a photoinitiator compound and a coinitiator compound being a sulfinate compound or a sulfonate compound. The present invention also relates to the use of this polymerization initiator system in a photocurable dental composition.

To provide an organic-inorganic composite filler containing; a polymerizable monomer (a) having at least one functional group selected from the group consisting of —OH group, —NH— group, and —NH.sub.2 group, a polymerizable monomer (b) having no functional group selected from the group consisting of —OH group, —NH— group, and —NH.sub.2 group, a polymerization initiator (c), an inorganic filler (d), and a silane compound (e) which generates —OH group by hydrolysis.

To provide an organic-inorganic composite filler containing; a polymerizable monomer (a) having at least one functional group selected from the group consisting of —OH group, —NH— group, and —NH.sub.2 group, a polymerizable monomer (b) having no functional group selected from the group consisting of —OH group, —NH— group, and —NH.sub.2 group, a polymerization initiator (c), an inorganic filler (d), and a silane compound (e) which generates —OH group by hydrolysis.

Disclosed is a resin modified dental luting cement composition having a polymerizable resin component, a polyacidic polymer component, a filler component, a redox initiator system, and water.

Disclosed is a resin modified dental luting cement composition having a polymerizable resin component, a polyacidic polymer component, a filler component, a redox initiator system, and water.

A composition of matter includes one or more functionalized vinylbenzyl components of the formula ##STR00001##
covalently connected to one or more R functional components; the one or more R functional groups selected from a group including one or more hydroxyl methyl (—CHOH—) moieties and/or derivatives thereof, one or more ethoxy (—CH.sub.2—CH.sub.2—O—) moieties and/or derivatives thereof, end one or more benzene (C.sub.6H.sub.6) and/or derivatives thereof; and ether links that connect the functionalized vinylbenzyl components and the R functional components.

A composition of matter includes one or more functionalized vinylbenzyl components of the formula ##STR00001##
covalently connected to one or more R functional components; the one or more R functional groups selected from a group including one or more hydroxyl methyl (—CHOH—) moieties and/or derivatives thereof, one or more ethoxy (—CH.sub.2—CH.sub.2—O—) moieties and/or derivatives thereof, end one or more benzene (C.sub.6H.sub.6) and/or derivatives thereof; and ether links that connect the functionalized vinylbenzyl components and the R functional components.

A composition of matter includes one or more functionalized vinylbenzyl components of the formula ##STR00001##
covalently connected to one or more R functional components; the one or more R functional groups selected from a group including one or more hydroxyl methyl (—CHOH—) moieties and/or derivatives thereof, one or more ethoxy (—CH.sub.2—CH.sub.2—O—) moieties and/or derivatives thereof, end one or more benzene (C.sub.6H.sub.6) and/or derivatives thereof; and ether links that connect the functionalized vinylbenzyl components and the R functional components.

To provide a glass ionomer cement having excellent removality of the excess cement after setting because of having shape retaining property where a kneaded material does not drip and flow by their own weights, few risk of water sensitivity and excellent operability at the bonding such that excess cement can be removed easily after an application in an oral cavity in an early timing in spite of exhibiting a thin film thickness at the bonding. A dental glass ionomer cement composition for luting comprises at least; a component (a) acid reactive glass powder having an average particle diameter within a range of 4.5 to 7.0 μm, a component (b) polymer of an acid group-containing polymerizable monomer having a weight average molecular weight within a range of 30000 to 100000, a component (c) chelating agent and a component (d) water, wherein a plastic flow distance of a kneaded material before setting is 2 mm or less, and a removal possible time of an excess cement is 2 minutes or less.