The present invention is directed to a composition of temporary crown materials, comprising a powder reagent and a liquid reagent; wherein the powder reagent comprises PMMA and an initiator, and the liquid reagent comprises MMA, a catalyst, and a plasticizer; wherein the plasticizer is a citrate ester compound. The composition of temporary crown materials of the present invention has high hardness, high toughness, high flexural strength and excellent biocompatibility.

The present invention is directed to a composition of temporary crown materials, comprising a powder reagent and a liquid reagent; wherein the powder reagent comprises PMMA and an initiator, and the liquid reagent comprises MMA, a catalyst, and a plasticizer; wherein the plasticizer is a citrate ester compound. The composition of temporary crown materials of the present invention has high hardness, high toughness, high flexural strength and excellent biocompatibility.

According to one aspect of the present invention, a dental photopolymerizable composition includes: a (meth)acrylate compound; a filler; a photopolymerization initiator; and a phthalic acid derivative and/or a thiophene derivative, wherein a content of the phthalic acid derivative and/or the thiophene derivative is greater than or equal to 0.05% by mass and less than or equal to 0.25% by mass.

Fluoride releasing compositions comprising water, ethanol, partially neutralized hydrogenated acid rosin, and fluoride releasing agent. The fluoride releasing compositions are often in the form of dental varnishes. Methods of using the same, such as by application to one or more teeth.

Fluoride releasing compositions comprising water, ethanol, partially neutralized hydrogenated acid rosin, and fluoride releasing agent. The fluoride releasing compositions are often in the form of dental varnishes. Methods of using the same, such as by application to one or more teeth.

Modeling material which contains (a) at least one radically polymerizable monomer, (b) at least one initiator for the radical polymerization and (c) at least one inert component. The inert component (c) is selected from phthalates, polyethylene glycols (PEG), polypropylene glycols (PPG), PEG-PPG copolymers, glycerol derivatives, ethoxylated or propoxylated glycerol, ethylenediamine tetrakispropoxylates and ethylenediamine tetrakisethoxylates. The material is suitable in particular for the production of models of dental restorations for investment casting processes.

Modeling material which contains (a) at least one radically polymerizable monomer, (b) at least one initiator for the radical polymerization and (c) at least one inert component. The inert component (c) is selected from phthalates, polyethylene glycols (PEG), polypropylene glycols (PPG), PEG-PPG copolymers, glycerol derivatives, ethoxylated or propoxylated glycerol, ethylenediamine tetrakispropoxylates and ethylenediamine tetrakisethoxylates. The material is suitable in particular for the production of models of dental restorations for investment casting processes.

An oral varnish comprising a combination of two different viscosity dimethicone components, wherein the difference between the two different viscosity dimethicone components is about 2.0 million cP or greater; and comprising at least one active ingredient, which is preferably a fluoride donor.

An oral varnish comprising a combination of two different viscosity dimethicone components, wherein the difference between the two different viscosity dimethicone components is about 2.0 million cP or greater; and comprising at least one active ingredient, which is preferably a fluoride donor.

A dental restoration composite resin contains a polymerizable monomer, a chain transfer agent, and inorganic particles, wherein the inorganic particles contain inorganic particles (A) having a volume-median particle size of 0.1 μm or more and 0.9 μm or less, the inorganic particles (A) being surface-treated with compounds represented by the general formula (1), the general formula (2), or both.