The present invention relates to a kit of parts for dentistry, comprising a dental primer comprising a single phosphate-containing component, which phosphate-containing component consists of bis(methacryloyloxyethyl) hydrogen phosphate and 10- methacryloyloxydecyl dihydrogen phosphate, wherein the phosphate-containing component contains 20-80 wt-% of bis(methacryloyloxyethyl) hydrogen phosphate and 80-20 wt-% of 10-methacryloyloxydecyl dihydrogen phosphate, based on the total weight of the phosphate-containing component; and a dental adhesive.
The invention relates to a dental bonding agent comprising a dental adhesive and a calcium phosphate solution. The calcium phosphate solution has 2.5-10 mmol/l of calcium ions and 1.0-4.0 mmol/l of phosphate ions. pH of the calcium phosphate solution is 1-6, provided that the pH of the calcium phosphate solution is such that at least 95 wt-% of 5 the calcium phosphate is in ionic form in the solution. pH of the dental adhesive is at most equal to the pH of the calcium phosphate solution.
The present invention relates to a kit for dental restoration, comprising an aqueous activation agent solution comprising polyacrylic acid having a molecular weight of 100000-1000000 g/mol, wherein the concentration of the polyacrylic acid in the solution is 1-30 mg/l; and a lining material comprising 20-80 wt-% of a dental resin and 20-wt-% of an ion releasing material, which ion releasing material comprises at least one of calcium, phosphate and zinc, based on the total weight of the lining material.
The invention relates to a dental material comprising a polymer resin, particulate fillers and randomly oriented inorganic fibres, wherein an average largest dimension of the particulate fillers is 0.3-1.2 μm, the inorganic fibres have a diameter of 4-8 micrometre and an aspect ratio of 20-80 based on an average length of the inorganic fibres and the dental material is void of other fibres. Additionally, the total amount of particulate fillers and inorganic fibres is 70-85 wt-% of the total weight of the material, and the amount of inorganic fibres is 20-35 wt-% of the total amount of particulate fillers and inorganic fibres.
The present invention relates to a kit for dental restoration, comprising an aqueous activation agent solution comprising polyacrylic acid having a molecular weight of 100000-1000000 g/mol, wherein the concentration of the polyacrylic acid in the solution is 1-30 mg/1; and a lining material comprising 20-80 wt-% of a dental resin and 20-80 wt-% of an ion releasing material, which ion releasing material comprises at least one of calcium, phosphate and zinc, based on the total weight of the lining material.
A dental composition comprising 10-50 wt-% of a methacrylate-based first matrix component, a polymerisation system and as a second matrix component 1-50 wt-% of a compound having a general formula (I).
The invention relates to a dental material comprising a polymer resin, particulate fillers and randomly oriented inorganic fibres, wherein an average largest dimension of the particulate fillers is 0.3 - 1.2 µm, the inorganic fibres have a diameter of 4-8 micrometre and an aspect ratio of 20-80 based on an average length of the inorganic fibres and the dental material is void of other fibres. Additionally, the total amount of particulate fillers and inorganic fibres is 70-85 wt-% of the total weight of the material, and the amount of inorganic fibres is 20-35 wt-% of the total amount of particulate fillers and inorganic fibres.
The present invention relates to a dental material comprising a thermoset methacrylate-based polymer resin and cellulose nanocrystals, wherein the cellulose nanocrystals have been modified to be hydrophobic.
A dental composition comprising10-50 wt-% of a methacrylate-based first matrix component, a polymerisation system and as a second matrix component 1-50 wt-% of a compound having a general formula (I).
The present invention relates to a dental material comprising a thermoset methacrylate-based polymer resin and cellulose nanocrystals, wherein the cellulose nanocrystals have been modified to be hydrophobic.
The present invention relates to a composite material comprising matrix material in an amount of 20-40 weight-% of the total composition, filler material in an amount of 40-60weight-% of the total composition, and inorganic fibre material an amount of 10-30 weight-% of the total composition, wherein the inorganic fibre material comprises short fibres having an average length of 80-300 µm and a diameter of 4- 2 µm, in an amount of 20-80 weight-% of the total amount of fibre material and long fibres having an average length of 500-1300 µm and a diameter of 8-27µm in an amount of 20-80 weight-% of the total amount of fibre material. The invention also relates to the use of this material in dentistry, especially as restorative filler material.
The invention relates to a fiber reinforced composite comprising at least one fiber having a lenght and a diameter, and a matrix embedding said at least one fiber and obtainable by curing a matrix precursor, the composite being obtainable by a method wherein the at least one fiber is submitted to a force in at least one direction during curing of said matrix precursor, said force being at least 1 N/mm2 of the diameter of the at least one fiber. The invention also relates to uses of such composites.
03 - Cosmetics and toiletries; cleaning, bleaching, polishing and abrasive preparations
05 - Pharmaceutical, veterinary and sanitary products
10 - Medical apparatus and instruments
Goods & Services
Dentifrices. Pharmaceutical and veterinary preparations, all the aforesaid goods in the dental and orthopaedic fields only; Sanitary preparations for medical purposes, all the aforesaid goods in the dental and orthopaedic fields only; Material for stopping teeth, dental wax. Dental, veterinary and orthopaedic apparatus and instruments, artificial limbs, eyes and teeth.
14.
Fiber-reinforced composites and method for the manufacture thereof
The present invention relates to fiber-reinforced composites, particularly application-oriented composites useful in dental and medical applications/appliances, such as fiber reinforced dental composites, and to a method for the manufacture thereof. Particularly the invention concerns random glass fiber-reinforced restorative composite resins with semi-interpenetrating polymer network matrix and their use in dental applications like cavity fillings, core composites, provisional and semi-permanent crown and bridge composite, cements and adhesives.
C08J 3/28 - Treatment by wave energy or particle radiation
C08G 61/04 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
The present invention relates to fiber-reinforced composites, particularly application-oriented composites useful in dental and medical applications/appliances, such as fiber reinforced dental composites, and to a method for the manufacture thereof. Particularly the invention concerns random glass fiber-reinforced restorative composite resins with semi-interpenetrating polymer network matrix and their use in dental applications like cavity fillings, core composites, provisional and semi- permanent crown and bridge composite, cements and adhesives.
A61L 31/12 - Composite materials, i.e. layered or containing one material dispersed in a matrix of the same or different material
A61L 27/44 - Composite materials, i.e. layered or containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
A61C 5/08 - Tooth crowns; Making same; Securing crowns in the mouth
03 - Cosmetics and toiletries; cleaning, bleaching, polishing and abrasive preparations
05 - Pharmaceutical, veterinary and sanitary products
10 - Medical apparatus and instruments
17 - Rubber and plastic; packing and insulating materials
41 - Education, entertainment, sporting and cultural services
Goods & Services
Dentifrices. Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes; plasters, materials for dressings; material for stopping teeth, dental wax; disinfectants; the aforementioned goods not for medical area of renal disease. Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth; orthopedic articles; suture materials; the aforementioned goods not for medical area of renal disease. Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; packing, stopping and insulating materials. Education; the aforementioned services not for medical area of renal disease.