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5833959 |
Compositions for dental tissue
A composition for use in dental tissues includes hydroxyapatite having a particle size in a range from about 0.05 μm to about 1.0 μm. The amount of the hydroxyapatite is preferably a minimum of...
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5830951 |
Polyvinylsiloxane impression material
Improved two component polymerizable polyorganosiloxane compositions are described, particularly for use in making dental impressions, having improved tear strength and wettability. Improved tear...
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5820662 |
Dental investing material
A dental investing material is disclosed which comprises a combination of: (a) quartz and/or cristobalite, (b) a phosphate binder, and (c) aluminous cement, wherein said dental investing material...
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5808108 |
Polymeric compositions and composites prepared from spiroorthocarbonates and epoxy monomers
Polymeric compositions are provided which are the reaction product of spiroorthocarbonates and epoxy resins and undergo reduced bulk polymerization shrinkage. The spiroorthocarbonates are of the...
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5798117 |
Method of reducing microorganism adhesion
A method of reducing the extent to which microorganisms, particularly bacteria, will adhere to a surface, which comprises providing a surface having pendant groups of formula (I), in which each...
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5782971 |
Calcium phosphate cements comprising amorophous calcium phosphate
Calcium phosphate cements are provided. The subject cements comprise amorphous calcium phosphate, at least one additional calcium source, usually an additional calcium phosphate, and a liquid...
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5776233 |
Process for preparing a ceramic material for use in dental fillings and dental crowns
A bioactive ceramic material for dental fillings and crowns on the basis of calcium phosphate compounds contains crystallites of sparingly water-soluble calcium phosphate compounds in an amorphous,...
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5773489 |
Dental inorganic-organic composite fillers
Dental inorganic-organic composite fillers are disclosed, which do not scatter a visible light of from 360 to 830 nm in the particles thereof, has a refractive index nD by the D-line of sodium in...
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5769932 |
Surface treatment material required in fusing dental porcelain which prevents deposition of coat due to antioxidant and strongly bonds metal frame and dental porcelain with each other
A surface treatment material used in fusing dental porcelain, containing powder of gold terpene sulfide, is applied and sintered on a metal frame. Then, the terpene and sulfur oxidize to suppress...
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5766328 |
Dental composition for relieving dentin hypersensitivity
There is provided a dental composition for relieving dentin hypersensitivity comprising (A) an aqueous emulsion component which contains, as emulsion particles, polymer particles having a diameter...
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5762502 |
Process for adhering composites to human teeth
A process for conditioning dentin surfaces in teeth to provide improved bonding strength between restorative materials and a tooth to be restored is disclosed. The process includes exposing a cut...
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5760101 |
Derivatives of aromatic carboxylic acids from aromatic carboxylic acid anhydrides and hydroxy(meth) acrylates and formulations thereof
A condensation product of a hydroxy(meth)acrylate compound corresponding to the formula ##STR1## in which R 1 is hydrogen or methyl, A is a trivalent aliphatic residue with 3 to 15 C-atoms which...
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5756560 |
Method and composition for promoting improved adhesion to substrates
An etchant/primer composition is provided which includes (a) a compound having the formula RN(CH 2 YCO 2 M) 2 (I) wherein R=R 1 or R 2 ; R 1 =an aromatic...
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5753723 |
Denture fixative with an adhesion promoter
An improved denture fixative composition comprising an adhesion promoter and a highly cross-linked copolymer of a lower alkyl vinyl ether and maleic anhydride or acid is disclosed wherein at least...
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5749733 |
One-component primer/bonding-resin system
Primer/bonding-resin compositions include certain hydrophilic monomers, reactive diluent monomers, high viscosity adhesive resins and photo-initiator systems, all provided in a one-component...
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5746598 |
Dental bleaching compositions including a sticky matrix material
The present invention discloses high viscosity sustained release dental compositions, such as tooth bleaching or fluoride compositions, for treating tooth surfaces. For maximum results, an improved...
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5741479 |
Desensitizing teeth with degradable particles
A method for desensitizing a hypersensitive tooth in a patient includes contacting exposed tubules with particles including a degradable material.
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5718749 |
Dental gypsum bonded investment composition
A dental gypsum bonded investment composition comprising 100 parts by weight of a mixture comprising (a) α-hemihydrate gypsum as a binder and (b) quartz and/or cristobalite as a refractory...
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5713994 |
Low-fusing temperature porcelain, compositions, prostheses, methods and kits
A low-fusing temperature porcelain compositions, methods of use thereof on metal or porcelain substrates to form dental prostheses and kits therefor. Compositions of the invention have a fusing...
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5707440 |
Inorganic filler material with retention properties, and method and use of such material
A finely divided inorganic filler material is a sintered composite which consists of larger macro-filler particles of glass and of smaller micro-filler particles of glass or ceramics partially...
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5703249 |
Bicycloaliphatic 2-methylene-1,3-dioxepanes
The present invention relates to novel bicycloaliphatic 2-methylene-1,3-dioxepanes, which are suitable as starting materials for the preparation of polymers and copolymers, preferably of composite...
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5700148 |
Syringe-deliverable neutralizing barrier
A syringe-deliverable neutralizing barrier and methods for delivering a composition to form the neutralizing barrier. The neutralizing barrier is formed from a viscous caulking-type material...
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5698019 |
Leucite-containing phosphosilicate glass-ceramic
A leucite-containing phosphosilicate glass-ceramic is described which, in addition to a leucite crystalline phase and at least one further crystalline phase, also contains one or more glass phases.
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5698020 |
Photochromic dental material
The invention relates to dental materials which contain a photochromic material such as for example a photochromic dye, a photochromic glass, a photochromic ceramic and/or a photochromic glass...
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5698610 |
Low-dust dental alginate impression material composition
A low-dust dental alginate impression material composition is disclosed, comprising an alginate, a gelation reaction agent, a gelation regulator, and a filler as major components, which further...
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5681872 |
Bioactive load bearing bone graft compositions
Novel fillers comprising combeite glass-ceramic are provided. hardenable restorative compositions comprising particulate combeite glass-ceramic provide improved biocompatibility in bone...
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5679144 |
Powder composition for the preparation of an opaque dental porcelain in the form of a paste
A powder composition for the preparation of an opaque dental porcelain, containing as its components one or more feldspar frits consisting of a number of feldspar frits of different chemical...
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5676745 |
Pre-ceramic polymers in fabrication of ceramic composites
Composites in the form of a three-dimensional framework or skeleton of ceic particles are formed by a low cost, low temperature sintering process which decomposes a pre-ceramic inorganic or organic...
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5662886 |
Adhesive amalgam system
A modified amalgam composition forming an adhesive bond with tooth structure treated with a dental adhesive. The modified amalgam can be prepared by admixing particulate additives into conventional...
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5661222 |
Polyvinylsiloxane impression material
Improved two component polymerizable polyorganosiloxane compositions are described, particularly for use in making dental impressions, having improved tear strength and wettability. Improved tear...
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5658963 |
One-component primer/bonding-resin systems
Primer/bonding-resin compositions include certain hydrophilic monomers, reactive diluent monomers, high viscosity adhesive resins and photo-initiator systems, all provided in a one-component...
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5653791 |
Two-phase dental forcelain composition
A two-phase porcelain composition for dental restorations comprising a leucite crystallite phase dispersed in a feldspathic glass matrix, a maturing temperature of from about 750° to about 1050°...
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5646197 |
Antimicrobial root canal sealer
The present invention is directed to a root canal sealer which satisfies the need for obtaining a tight seal. The root canal sealer comprises the following powders in the following weight ratios:...
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5641347 |
Barium-free dental glass having good x-ray absorption
Disclosed is a barium-free glass of good x-ray absorption, which has a composition (in wt.-% on the oxide basis) of SiO 2 50-75; ZrO 2 5-30; Li 2 O 0-5; Na 2 O 0-25; K 2 O 0-25; Σ alkali...
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5639445 |
Dental material and method for applying preventative and therapeutic agents
A dental composition is produced from a dilatant silicone polymer composition by dispersing a bioactive component in the polymer composition. The dental composition is shaped and pressed against...
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5629361 |
Emulsion of polymer having (meth)acrylate unit and adhesive compositions containing the emulsion for dentine
An emulsion of a polymer, in which the polymer comprises (a) a recurring unit derived from a (meth)acrylate and (b) a recurring unit derived from a vinyl compound having a group of --SO 3 R in...
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5622552 |
Glass ionomer cement compositions and restorative methods
A restoration for restoring a lesion in a tooth and method for making the same. The restoration comprises a layer of glass ionomer cement bonded to the lesion and a layer of amalgam disposed on the...
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5622551 |
Chemically derived leucite
Chemically derived leucite is claimed. The chemically derived leucite is obtained from a stable dispersion of a potassia precursor, an alumina precursor and a silica precursor having a specified...
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5618763 |
Alkali-zinc-silicate glass-ceramics and glasses
Alkali-zinc-silicate glass ceramics and glasses are described which have a linear thermal expansion coefficient in the range from 8.0 to 18.7×10 -6 K -1 , an excellent chemical resistance and...
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5616316 |
Dentifrice-compatible silica particulates
Novel silica particulates especially adapted for formulation to dentifrice compositions exhibit unique physical and chemical properties. In one embodiment, silica particulates have a unique surface...
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5614330 |
Porcelain coating compositions for low expansion porcelain cores and the resulting all-ceramic dental restorations
An all-ceramic dental restoration comprising a ceramic core over and at least one coating thereon of a porcelain composition having a maturing temperature of from about 850° to about 1050° C. and...
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5609675 |
Inorganic composition
An inorganic composition comprises (A) 60 to 99% by weight of spherical inorganic oxide particles having a mean particle diameter greater than 0.1 μm but not greater than 1 μm, and (B) 40 to 1%...
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5605713 |
Process for the preparation of calcium phosphate cements and its application as bio-materials
The invention refers to the use of a series of calcium orthophosphate cements as bio-materials, starting from a number of components by grinding and sieving to obtain the adequate grain size, the...
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5601640 |
Command-curable composition
A light-curable dental cement composition contains (a) the reaction product of vinyl phosphonyl chloride and pentane 1,5 diol, (b) a photopolymerisation initiator, (c) ion-leachable aluminosilicate...
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5591030 |
Dental ceramic restoration using a multi-layered structure
A dental ceramic restoration having a multi-layered structure on a core, obtainable by applying an opaque layer composed of from 50 to 60 wt.-% of SiO 2 , 4 to 10 wt.-% of Na 2 O, 0 to 2.5 wt.-%...
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5580623 |
Storage stable partially neutralized acid compositions and uses
Methods and compositions are provided for preparing storage stable partially neutralized acid compositions. The partially neutralized acid compositions are amenable to prolonged periods of storage....
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5575652 |
Process for applying antibacterial oral composition to dental implant areas
An oral gel composition suitable for application to teeth and gums, particularly of people having dental implants. The gel composition contains an aqueous orally acceptable gel vehicle, a...
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RE35367 |
Material for reinforcing dental structures
A dental material of a metal composition for reinforcing the metal framework of a dental restoration comprising an aggregate combination of metal particles including a first high fusing temperature...
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5562895 |
Methods and compositions for mineralizing and flouridating calcified tissues
The invention involves new compositions and methods of use and delivery of amorphous calcium compounds such as: amorphous calcium phosphate (ACP), amorphous calcium phoshate fluoride (ACPF),...
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5560742 |
Use of palladium-silver alloys for the manufacture of dentures
Gold-free palladium-silver alloys for dentures [dental prostheses] which alloys can be veneered without color changes with dental ceramics and can be easily removed from the mold after the casting...
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