The present invention provides a paste-like composition for dental use that shows stable consistency and runniness and little stringiness immediately after production and even after long storage. The present invention relates to a paste-like composition for dental use, comprising a polymerizable monomer (A) and a filler (B), the filler (B) comprising a particulate filler (B-1) having an average primary particle diameter of 0.001 to 0.2 μm, and a filler (B-2) having an average primary particle diameter of more than 0.2 μm and 30 μm or less, the paste-like composition having a consistency of 15 to 40 mm, the particulate filler (B-1) having an average secondary particle diameter of 20 μm or less.

The present invention provides a paste-like composition for dental use that shows stable consistency and runniness and little stringiness immediately after production and even after long storage. The present invention relates to a paste-like composition for dental use, comprising a polymerizable monomer (A) and a filler (B), the filler (B) comprising a particulate filler (B-1) having an average primary particle diameter of 0.001 to 0.2 μm, and a filler (B-2) having an average primary particle diameter of more than 0.2 μm and 30 μm or less, the paste-like composition having a consistency of 15 to 40 mm, the particulate filler (B-1) having an average secondary particle diameter of 20 μm or less.

A dental material having (a) at least one radically polymerizable monomer, (b) at least one radiopaque filler, (c) at least one inorganic filler, (d) at least one composite filler, and (e) at least one initiator for the radical polymerization, wherein the monomer (a) comprises at least one urethane (meth)acrylate, at least one radically polymerizable bisphenol A derivative, optionally at least one polycyclic aliphatic dimethacrylate, optionally at least one monomer which does not fall into one of the groups (a-1) to (a-3) and (a-5), and optionally at least one chain regulator (a-5). The dental material allows the fabrication of esthetically pleasing restorations with only one material.

A dental material having (a) at least one radically polymerizable monomer, (b) at least one radiopaque filler, (c) at least one inorganic filler, (d) at least one composite filler, and (e) at least one initiator for the radical polymerization, wherein the monomer (a) comprises at least one urethane (meth)acrylate, at least one radically polymerizable bisphenol A derivative, optionally at least one polycyclic aliphatic dimethacrylate, optionally at least one monomer which does not fall into one of the groups (a-1) to (a-3) and (a-5), and optionally at least one chain regulator (a-5). The dental material allows the fabrication of esthetically pleasing restorations with only one material.

Provided is a curable composition that is for dentistry and that contains: a polymerizable monomer (A); an inorganic filler (B) having an average particle size of 0.1-1 μm; an organic-inorganic composite filler (C) having an aggregate structure in which inorganic primary particles having an average particle size of 10-1000 nm are bonded together through a resin layer covering the surface of the particles, to form a void having a specific pore volume; and a polymerization initiator (D). In the organic-inorganic composite filler (C), a curved surface-shaped organic-inorganic composite filler (C1) formed of organic-inorganic composite aggregate particles having a curved surface shape, and an amorphous organic-inorganic composite filler (C2) formed of amorphous organic-inorganic composite aggregate particles having an edge portion, are mixed such that C1/(C1+C2) equals 0.2-0.8 in terms of the number of particles having a particle size of 5 μm or more.

Provided is a curable composition that is for dentistry and that contains: a polymerizable monomer (A); an inorganic filler (B) having an average particle size of 0.1-1 μm; an organic-inorganic composite filler (C) having an aggregate structure in which inorganic primary particles having an average particle size of 10-1000 nm are bonded together through a resin layer covering the surface of the particles, to form a void having a specific pore volume; and a polymerization initiator (D). In the organic-inorganic composite filler (C), a curved surface-shaped organic-inorganic composite filler (C1) formed of organic-inorganic composite aggregate particles having a curved surface shape, and an amorphous organic-inorganic composite filler (C2) formed of amorphous organic-inorganic composite aggregate particles having an edge portion, are mixed such that C1/(C1+C2) equals 0.2-0.8 in terms of the number of particles having a particle size of 5 μm or more.

A dental restoration material composition includes a (meth)acrylic acid ester compound (A) having two or more (meth)acryloyloxy groups per molecule, a mono(meth)acrylic acid ester compound (B), a polymerization initiator (C), and an organic-inorganic composite filler (D). The mono(meth)acrylic acid ester compound (B) includes at least one selected from the group consisting of a mono(meth)acrylic acid ester compound (B-1) represented by formula (I), and a mono(meth)acrylic acid ester compound (B-2) represented by formula (II). R.sup.1 and R.sup.2 are each independently a group represented by formula (i) or a group represented by formula (ii), and X is a divalent hydrocarbon group having 1 to 6 carbon atoms, or an oxygen atom.

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A dental restoration material composition includes a (meth)acrylic acid ester compound (A) having two or more (meth)acryloyloxy groups per molecule, a mono(meth)acrylic acid ester compound (B), a polymerization initiator (C), and an organic-inorganic composite filler (D). The mono(meth)acrylic acid ester compound (B) includes at least one selected from the group consisting of a mono(meth)acrylic acid ester compound (B-1) represented by formula (I), and a mono(meth)acrylic acid ester compound (B-2) represented by formula (II). R.sup.1 and R.sup.2 are each independently a group represented by formula (i) or a group represented by formula (ii), and X is a divalent hydrocarbon group having 1 to 6 carbon atoms, or an oxygen atom.

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Provided is a dental filling and repairing material kit that is for repairing a tooth having a cavity and that includes a first polymerization curable composition (A) for forming a surface exposed layer exposed to a surface after repairing and a second polymerization curable composition (B) for forming a foundation layer to serve as a foundation of the surface exposed layer. The first polymerization curable composition (A) is formed into a cured body that expresses a structure color by dispersion of inorganic spherical particles in a specific dispersion state in a matrix. Regarding the second polymerization curable composition (B), the brightness (V) of colored light when a sample of said composition with a thickness of 1 mm is measured by using a color difference meter under a black background, is not less than 5 in terms of a color measurement value in the Munsell color system.

A system for fabricating a dental restoration to restore a tooth at a restoration site in a dentition of a patient is disclosed. The dentition includes a restoration dental arch and an opposing dental arch. The restoration dental arch include the restoration site and the opposing dental arch is opposite the restoration dental arch. The system includes an impression apparatus, a motion capture apparatus, an interface apparatus, and a restoration design system. The impression apparatus is configured to capture an impression of the dentition of the patient. The motion capture apparatus is configured to capture a plurality of location data points that represent the locations of the opposing dental arch relative to the restoration dental arch. The interference model generation system is configured to generate an interference model for the restoration site. The restoration design system is for designing a restoration using the interference model.