A resin block that can be favorably used for obtaining dental prosthetics through the milling work, containing very little voids, having excellent property for being cut, exhibiting excellent appearance and mechanical strength, and without permitting the formation of defective products. The resin block contains a thermoplastic resin having a fluidizing temperature in a range of 310 to 500 C. and inorganic particles in an amount of 30 to 150 parts by mass per 100 parts by mass of said thermoplastic resin. The inorganic particles are at least one kind of inorganic oxide particles selected from the group consisting of silica particles, silica composite particles of silica and other metal oxides, titania particles, and titania composite particles of titania and other metal oxides. The resin block has a thick portion of a thickness of at least not less than 5 mm, and does not contain any void whose length is not less than 1.0 mm.

Provided is a curable composition including a polymerizable monomer component (A), a spherical filler (B) having an average particle size within the range of 230-1000 nm, and a polymerization initiator (C), wherein the curable composition is characterized by having a value (V) of less than 5 and a chroma (C) of 0.05 or higher in colorimetric values according to the Munsell Color System in colored light on a black background, and a value (V) of 6 or higher and a chroma (C) of less than 2 in colorimetric values according to the Munsell Color System in colored light on a white background, each of the values (V) and chroma (C) being measured using a color difference meter in a state in which a 1-mm-thick cured article has been formed.

Described is a milling blank for producing an indirect dental restoration, composed of resin or a resin-based composite, containing water in an amount of at least 25% of the water sorption W.sub.sp. Described is further a method for producing such a milling blank or a moulded part produced therefrom for use as an indirect dental restoration, a use of the water sorption method, a kit for producing indirect dental restorations and a method for indirect dental restoration.

Provided is a formulation for oral teeth, which includes a plurality of calcium ion carriers and a plurality of calcium-containing particulates. The particulates are carried by the calcium ion carriers, such that the formulation can prevent or rapidly treat dentin-associated symptoms or diseases, while providing a prolonged prophylactic or therapeutic effect.

Light emitting dental composites are fluorescing composite resins that are produced by combining one or more dental composites, such as, conventional dental composites, glass ionomer cements, resin modified glass ionomers, and/or bioactive dental composites, in either bulk fill form or flowable form, with a light energized and light emitting strontium aluminate or similar compound to form a light emitting dental composite. The light emitting dental composite makes composite resins easily identifiable when activated by a UV light source, allowing for use preferably with temporary placement, visualization, and/or removal of orthodontic attachments and restorative dentistry.

Light emitting dental composites are fluorescing composite resins that are produced by combining one or more dental composites, such as, conventional dental composites, glass ionomer cements, resin modified glass ionomers, and/or bioactive dental composites, in either bulk fill form or flowable form, with a light energized and light emitting strontium aluminate or similar compound to form a light emitting dental composite. The light emitting dental composite makes composite resins easily identifiable when activated by a UV light source, allowing for use preferably with temporary placement, visualization, and/or removal of orthodontic attachments and restorative dentistry.

In order to provide a material for forming a dental prosthesis which does not require further heat treatment after machining and can improve cutting ability even after obtaining necessary strength, the material for a dental prosthesis comprises 60.0 mass % or more and 80.0 mass % or less of SiO.sub.2, 10.0 mass % or more and 20.0 mass % or less of Li.sub.2O, and 5.1 mass % or more and 10.0 mass % or less of Al.sub.2O.sub.3.

The invention relates to a method for the production of a restoration from a blank consisting of, or containing, a lithium silicate glass ceramic, wherein at least two layers of ceramic material of different compositions are filled into a mold layer-by-layer and after filling of the layers they are then pressed and sintered, wherein after filling of a first layer this is structured on its surface in such a way that the first layer, viewed across its surface, differs in its height from region to region, and then a layer with a composition that differs from the first layer is filled as a second layer into the mold. After sintering the dental restoration is produced from the blank by mechanical working.

A dental composition comprising: a) about 1 to about 80% by weight of particulate material including: (i) calcium silicate, calcium aluminate, tetracalcium aluminoferrite, calcium phosphate, calcium sulfate, silica, alumina, calcium oxide, calcium hydroxide, or mixtures thereof; wherein the particulate material has an average particle size of less than 40 microns; and b) about 1 to about 50% by weight liquid carrier including: (i) water-soluble polymer, and (ii) water.

A dental self-adhesive resin cement is provided comprising a two-component system. A first catalyst component includes one or more acidic monomers. A second base component includes one or more basic fillers. The mixture of the first and second components is polymerizable and has an initial pH that is acidic immediately after mixing and a pH of at least about pH 8 after polymerization.