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5559063 |
Refractory material
A refractory powder includes a filler, a binder, and a metal powder. This provides improved heat transfer in the refractory material during heating, and reduces the problem of explosive cracking...
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5558701 |
Sol-gel composition for producing glassy coatings
Glassy coatings are made by curing in situ a coating of a sol gel of boron triethoxide, water, alcohol, and the alkoxides of: titanium and zirconium. A platey filler such as mica is present. The...
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5552350 |
Low-fusing temperature porcelain
A low-fusing temperature porcelain composition for use in dental prostheses is disclosed having a fusing temperature of about 700° C.±50° C. and a coefficient of thermal expansion compatible...
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5543209 |
Surface coating for prosthesis system containing HA/TCP composition
The coating for a prothesis system has a resorbability gradient in the direction perpendicular to the surface of the prothesis system, the internal layer being the least resorbable. It can consist...
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5540766 |
Thermoplastic composition for root canal filling
Thermoplastic compositions for cones for filling root canals include guttapercha in association with calcium hydroxide. This association provides the advantages of both guttapercha and calcium...
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5522726 |
Method for anesthetizing teeth
The present invention is directed to a method for anesthetizing teeth which does not require an injection into the gum in order to anesthetize a tooth (or teeth) which requires attention. The...
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5520725 |
Dental glass ionomer cement composition
The invention provides a dental glass ionomer cement composition comprising (a) an α-β unsaturated carboxylic acid polymer having a weight-average molecular weight lying in a specific range, (b)...
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5514210 |
Apatite-organic material complex and process for its production
An apatite-organic material complex comprising an apatite powder having a crystal particle size of at most 0.5 μm, an organic material and from 5 to 40 wt. % of water.
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5512611 |
Cements from βdicarbonyl polymers
The invention provides novel ionomer polymers and cements comprising β-dicarbonyl groups. The invention has particular utility as filling materials for restoring teeth and for cementing inlays and...
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5505771 |
Dental gypsum composition
A dental gypsum composition is disclosed, comprising (A) 100 parts by weight of calcined gypsum, (B) from 0.005 to 5.0 parts by weight of an alkali metal tartrate, (C) from 0.1 to 5.0 parts by...
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5501727 |
Color stability of dental compositions containing metal complexed ascorbic acid
A curable dental composition comprising an ethylenically unsaturated moiety, an oxidizing agent and metal complexed ascorbic acid is claimed. The incorporation of metal complexed ascorbic acid...
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5484581 |
Process for the production of precipitated silica
Precipitated silica which has a BET surface area of 10-130 m 2 /g, a CTAB surface area of 10-70 m 2 /g , an average particle diameter of 5-20 μm, a Cu abrasion value in a 10% glycerol dispersion...
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5476647 |
Complex calcium and fluoride containing mouth rinses, dentifrices, and chewable tablets
The present invention relates to compositions and methods for fluoridating teeth. More specifically, the invention is a reactive, multi-component composition consisting of an admixture of a stable,...
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5466285 |
Dental porcelain material preventing yellow coloration and method for producing same
A dental porcelain material free of yellow coloring or opacification upon firing is produced. A powder mixture is prepared by adding 0.1 to 2.0 wt % of antimony trioxide and 0.01 to 5 wt % of...
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5456602 |
Dental bonding
A dental bonding method comprises the steps of treating enamel and dentine with a tooth surface-treating material containing organic acid, iron or copper salt, and water, followed by water washing...
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5453290 |
Dental procelain, a method of producing a dental restoration, a dental alloy
A system for dental restorations comprising dental alloys for the manufacture of a substructure of the restoration and dental porcelains for coating the substructure. The porcelains have a...
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5447967 |
Completely ceramic dental prosthesis based on alumina/magnesia spinel and a process for its manufacture
The invention relates to a biocompatible ceramic dental prosthesis having a translucency similar to that of natural tooth enamel and a high mechanical strength. It comprises a rigid, porous...
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5432130 |
Opalescent glass
An opalescent glass is described which is characterized by a continuous glass phase and a discontinuous glass phase dispersed therein, and which can be used as dental material or as a constituent...
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5429996 |
Bone grafting material
A bone grafting material for use in medicine is glass wool which has the mean diameter of 100 μm or less and whose composition is: SiO 2 40-62% (w/w) Na 2 O 10-32% (w/w) CaO 10-32%...
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5427768 |
Carbonated solutions for treating, mineralizing and fluoridating calcified tissues and methods for their use
This invention involves methods and compositions for preparation of unstable carbonated calcium phosphate solutions, which are supersaturated with respect to calcium phosphate solids and carbon...
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5427770 |
Dentifrices containing amino alkyl silicones
Dentifrices, including toothpaste creams and gels, and mouthwashes, are provided including aminoalkyl silicones. In the mouth, the aminoalkyl silicones form a lasting hydrophobic film on the teeth...
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5424058 |
Denture stabilizing compositions comprising a mixed partial salt of a lower alkyl vinyl ether-maleic acid copolymer
Stabilizer compositions including specific mixed partial salts of a lower alkyl vinyl ether-maleic acid copolymer, the partial salts containing from about 15% to about 40% free acid, are disclosed....
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5417750 |
Dental or medical alginate impression material
A dental or medical alginate impression composition is provided. The composition includes an alginate material comprising an alginate in an amount between about 10 and 50 weight percent, a filler...
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RE34937 |
Adhesive bonding of acrylic resins, especially in dentistry
A bonding adhesive for dentistry and a method for preparing the surface of dentin, enamel, or other natural or industrial substrates containing or capable of binding metallic ions, for adhesion of...
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5411584 |
Dental cement
A poly(vinyl phosphonic acid)/glass cement is improved by pre-reacting the acid with ZnF 2 and BPO 4 , and by mixing BPO 4 with the glass powder.
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5405436 |
Process for the preparation of hydroxyapatite
A process for the preparation of a hydroxyapatite, which is suitable as a tooth-cleaning substance, by precipitation from aqueous phosphoric acid and calcium hydroxide solution, in which a...
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5401783 |
Adhesion-promoting agents incorporating polyvalent cations
Materials and methods for preparing the surface of dentin, enamel, or other natural or industrial substrates containing or capable of binding metallic ions, for adhesion of composite materials or...
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5387558 |
Colored glass-ceramic articles
This invention is directed to the formation of glass-ceramic articles which exhibit a yellow coloration in visible light and fluoresce with a yellow coloration while being exposed to ultraviolet...
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5385728 |
Antimicrobial etchants
Antimicrobial etchant compositions exhibiting good stability and antimicrobial and tooth decalcification are disclosed. The claimed compositions, kits and methods comprise use of antimicrobially...
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5380356 |
Quartz-free powdered magmatic nepheline rock material for the surface treatment of dental parts, especially grinding, polishing and/or blasting material
The invention is directed to the creation of a material which does not have the hazardous properties of prior art materials containing quartz. In the material according to the invention, quartz is...
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5373891 |
Investment material and mold for dental use and burnout thereof
Dental investment materials for providing inexpensive dental investments which are free from the occurrence of cracks, crevices or breakage and can greatly reduce the metal casting time, dental...
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5364890 |
Dental adhesive composition
A compound having a carbodiimide in its molecule is incorporated in a dental adhesive composition. With this composition, dental composite material can be firmly bonded to the enamel and dentin of...
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5356436 |
Materials for living hard tissue replacements
The materials for living hard tissue replacements of the present invention comprise a ceramic material which contain Cao and SiO 2 as essential components, and MgO as an optional components, are...
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5348577 |
Antibacterial calcium tertiary phosphate
A calcium tertiary phosphate is used as a carrier, and the carrier is caused to carry silver and zinc. The result is an antibacterial ceramic exhibiting an ultra high degree of whiteness and...
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5348988 |
Dentin bonding system
Novel unsaturated carboxy esters for use in dentistry as bonding agents are produced by a reaction of unsaturated alcohols with cyclic acid dianhydrides. The dianhydrides which can be used in the...
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5346866 |
Dental ceramic material with a relatively low processing temperature
A dental ceramic material is disclosed for the preparation and repair of metal ceramic and fully ceramic dentures, which has a processing temperature of 660°±30° C., and has the following...
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5342441 |
Biologically compatible hardening material for dental or medical applications
A hardenable, biocompatible composition for repairing firm living tissue which includes a powder component containing Ca 4 P 2 O 9 and at least one of CaHPO 4 and CaHPO 4 .H 2 O at a molar...
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5338356 |
Calcium phosphate granular cement and method for producing same
A calcium phosphate granular cement contains mixed powders obtained by mixing α-type calcium tertiary phosphate or calcium quaternary phosphate with a calcium phosphate compound selected from...
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5336091 |
Moldable dental material and method
A moldable dental composition for use in forming or repairing dental restorations composed of a mixture of high- and low-fusing temperature metal particles and a volatile binder, composed...
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5332429 |
Method for treating fluoroaluminosilicate glass
Fluoroaluminosilicate dental cement glasses are treated with an aqueous silanol treating solution and optionally with an additional organic compound. The treated glasses form cements with improved...
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5318929 |
Apatite glass ceramic
The invention relates to an apatite glass ceramic which can be used as a material in medicine and as an inorganic component of a glass ionomer cement. The apatite glass ceramic comprises in wt-%)...
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5308391 |
Ceramic material for veneering metallic dental protheses
Ceramic masses with processing temperatures of approximately 770° C. and coefficients of thermal expansion of 8-910 -6 K -1 and 16-17.510 -6 K -1 are required for dental prostheses...
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5306338 |
Dental restoration composition
A two-part dental restoration composition composed of a powder and a liquid which are to be combined and evenly mixed prior to usage. The powder is composed of a fluoride containing and releasing...
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5306337 |
Alginate impression compositions
The invention relates to a pasty two-component alginate-based material which is used as an impression material in the dental sector.
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5304239 |
Dental investment compounds in the form of a powder with improved flow properties
In the preparation of a dental appliance wherein an investment compound is mixed with a liquid and then cast, the improvement wherein the investment compound is a plaster- or phosphate-bound...
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5298200 |
Dental refractory model materials
A dental refractory model material comprises as powdery components 5 to 20% by weight of a soluble phosphate, 5 to 20% by weight of magnesium oxide and 10 to 50% by weight of at least one selected...
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5296026 |
Phosphate glass cement
Disclosed are useful and unique glass phosphate cement compositions and methods for their use as surgical implant materials to fill cavities in bone and canals in teeth. The cement compositions...
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5294646 |
N-alkyl-n-(meth)acryloyloxyalkylcarboxamides of aromatic carboxylic acids and aromatic carboxylic acid anhydrides, and adhesives containing these compounds
The invention relates to new N-alkyl-N-(meth)acryloyloxyalkylcarboxamides of aromatic carboxylic acids and aromatic carboxylic acid anhydrides, their preparation and formulations of these compounds...
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5290172 |
Method for preparing a tooth surface for bonding
A method for treating a tooth surface to make it bondable well enough for dental purposes involves treating enamel and dentin with a primer comprising a) an organic acid, b) an iron, copper or...
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5281265 |
Resorbable surgical cements
A new surgical cement is disclosed. This surgical cement comprises a hardened cement formed from a mixture comprising a cementing component selected from the group consisting of calcium components...
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