The present disclosure features adhesive compositions and methods of use thereof related to the medical, veterinary, and dental fields.

The present invention relates to restorative purpose acrylic dental composite filling material which are curable by light and are polymerizable, and which contains only ?-tricalcium phosphate (?-TCP), nanocrystalline cellulose (NCC), hydroxy apatite particles/fibers/whiskers, AISrOF and AISrSiOF and/or mixtures thereof as supportive phase system for conferring regenerative and antibacterial properties to composite filling materials, and relates to production method of said dental composite filling material.

The present invention relates to restorative purpose acrylic dental composite filling material which are curable by light and are polymerizable, and which contains only ?-tricalcium phosphate (?-TCP), nanocrystalline cellulose (NCC), hydroxy apatite particles/fibers/whiskers, AISrOF and AISrSiOF and/or mixtures thereof as supportive phase system for conferring regenerative and antibacterial properties to composite filling materials, and relates to production method of said dental composite filling material.

To provide a resin cured body for dental cutting processing used for cutting and machining using a dental CAD/CAM system, wherein the resin cured body consists of the cured body of a composition comprising: (a) an inorganic filler containing 55 wt. % or more of an element belonging to group II and/or group XIII of the periodic table in terms of an oxide, (b) a polymerizable monomer, and (c) a polymerization initiator.

The invention relates to a kit of parts for preparing a glass ionomer composition for dental use, the kit of parts comprising a Powder Part P and a Liquid Part L, Powder Part P comprising: acid-reactive inorganic filler, Liquid Part L comprising: water, complexing agent, polyacid, either the Powder Part P or the Liquid Part L or the Powder Part P and the Liquid Part L comprising non-aggregated nano-sized particles based on silica or alumina, the composition obtained by combining the components of Powder Part P and Liquid Part L before hardening comprising the components in the following amounts: non-aggregated nano-sized particles: from 0.1 to 15 wt.-%, acid-reactive filler in an amount from 50 to 75 wt.-%, polyacid: 7 to 20 wt.-%, complexing agent: 0.5 to 3 wt.-%, water: 5 to 18 wt.-%, wt.-% with respect to the weight of the whole composition.

A process for the preparation of composite filler particles, comprising: (a) coating a particulate filler having a median particle size (D50) of from 1 to 1200 nm; (b) agglomerating the coated particulate filler, for providing a granulation of the coated particulate filler wherein the granulation contains the coated particulate filler particles whereby the at least one coating layer may be crosslinked by crosslinking groups obtained by reacting the reactive groups and optionally a further crosslinking agent.

The application relates to a kit of parts for preparing a glass ionomer composition for dental use, the kit comprising a Paste A and a Paste B, Paste A comprising water, acid-reactive inorganic filler C, non acid-reactive filler A, Paste B comprising water, polyacid, complexing agent, non acid-reactive filler B, the mean particle size of non acid-reactive filler B being larger than the mean particle size of non acid-reactive filler A, the water content of the composition obtained when mixing Paste A and Paste B being below 20 wt.-%. The application also relates to a device for storing such a kit of parts and the use of the kit of parts and/or the device for preparing a dental cement, dental filling material, dental core build up material or dental root channel filling material.

Described is a method for producing fluorapatite crystals, the method having the steps of: a) providing a first aqueous solution comprising a phosphate source and a fluoride source, said first aqueous solution being supersaturated with respect to the phosphate source and the fluoride source, b) providing a second aqueous solution comprising a calcium source, said second aqueous solution being unsaturated with respect to the calcium source, c) mixing the first aqueous solution and the second aqueous solution thereby providing a mixture containing fluorapatite crystals and a further aqueous solution, d) optionally stirring the mixture of step c), e) optionally heating the mixture of step c) and/or step d), f) separating the fluorapatite crystals from the further aqueous solution, g) optionally drying the fluoroapatite crystals of step f), and h) optionally milling the fluorapatite crystals obtained in step f) or step g).

Described is a method for producing fluorapatite crystals, the method having the steps of: a) providing a first aqueous solution comprising a phosphate source and a fluoride source, said first aqueous solution being supersaturated with respect to the phosphate source and the fluoride source, b) providing a second aqueous solution comprising a calcium source, said second aqueous solution being unsaturated with respect to the calcium source, c) mixing the first aqueous solution and the second aqueous solution thereby providing a mixture containing fluorapatite crystals and a further aqueous solution, d) optionally stirring the mixture of step c), e) optionally heating the mixture of step c) and/or step d), f) separating the fluorapatite crystals from the further aqueous solution, g) optionally drying the fluoroapatite crystals of step f), and h) optionally milling the fluorapatite crystals obtained in step f) or step g).

The present disclosure features adhesive compositions and methods of use thereof related to the medical, veterinary, and dental fields.