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4591575 |
Novel crystalline metal oxide and process for production thereof
A crystalline metal oxide in the form of a solid solution comprising an oxide of a metal of Group II of the periodic table, titanium oxide and silicon dioxide as main components and having main...
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4591384 |
Dental cement compositions
A dental cement composition comprises a first ingredient containing as the main component a metal oxide and a second ingredient capable of reacting with the first ingredient to form a set mass, and...
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4588756 |
Multi-step method for obtaining strong adhesive bonding of composites to dentin, enamel and other substrates
Materials and methods for improving the adhesion of composite materials and resins to dentin, enamel and other substrates are disclosed. Preferably, the substrate surface is treated with an aqueous...
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4576922 |
High expansion dental crown core ceramic composition
A strong white ceramic composition and method of making the same wherein said composition is characterized by an average coefficient of thermal expansion over the range of 25° C. to 500° C....
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4572920 |
Fluoride interpolymeric resin
An interpolymeric resin and composition therefrom is provided for treating teeth to prevent dental caries by forming a protective barrier and providing a source of fluoride ions for release...
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4569955 |
Denture adhesive
An improved denture adhesive containing an adhesive polymeric fraction comprising an admixture of mixed, partial salts of lower alkyl vinyl ether-maleic anhydride-type copolymers with sodium...
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4569954 |
Dental cement composition comprising poly(carboxylic acid) and chelating agent
A poly(carboxylate) cement pack comprising a water soluble poly(carboxylic acid) having a relative viscosity of from 1.05 to 2.00, a chelating agent and a cement powder which will react with the...
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4562882 |
Method of making a dental prosthesis
A method of making a dental prosthesis includes providing an upper or a lower impression of the oral cavity of a patient; and filling such impression with a castable mixture comprising (1) a...
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4557691 |
Dental porcelain paste and method of using the same
A porcelain paste comprising a porcelain powder mixed with an aqueous colloidal dispersion of a urethane polymer. The paste can be applied as the first layer to a dental coping, and does not need...
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4553941 |
Acetal and hemiacetal dentin and enamel adhesive primers
Acetals and hemiacetals are used as primers for dentin and enamel adhesives.
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4552779 |
Process for preparing a cast metal surface structure for bonding to a tooth structure and material used therewith
A process for preparing a cast metal surface such that it is usable for bonding to a tooth structure. A water soluble adhesive medium is placed on a stone cast of a tooth or teeth. A mixture of...
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4551099 |
Ceramic dental restorative
An all-ceramic dental restorative comprising a core and a glaze having the following composition: TBL ______________________________________ Component Proportion, % ...
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4550030 |
Method for strengthening dental restorative material
A method for strengthening dental restorative material is disclosed, which comprises depositing one or more inorganic salts of metals selected from rubidium, cesium, and potassium on the surface of...
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4546006 |
Method for strengthening porcelain tooth
A method for strengthened porcelain tooth is disclosed, which comprises depositing one or more inorganic salts of metals selected from rubidium, cesium, and potassium on the surface of a porcelain...
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4543372 |
Low dusting powdery alginate impression material for dental use
A low dusting powdery alginate impression material for dental use is disclosed which comprises: (a) an alginate, (b) a gelling agent, (c) a gelation controlling agent, (d) a filler, ...
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4542172 |
Dental cement containing polyvinyl butyral as an additive
Polyvinyl butyral with a degree of acetalization of at least 75% is added to a dental cement on basis of calcium hydroxide and salicyclic esters of aliphatic alcohols. By this additive improved...
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4542167 |
Dental cement composition comprising hydroxyapatite and acrylic acid/itaconic acid copolymer hardener
A water-hardenable dental cement composition comprising hydroxyapatite [Ca 10 (PO 4 ) 6 (OH) 2 ] as the main component and an inorganic powder and a hardening agent.
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4538990 |
Method of decreasing the permeability of a dental cavity
A method of decreasing the permeability of dental cavity preparations comprising the steps of first applying from 1 to 30% w/v neutral oxalate salt solution, such as dipotassium oxalate to the...
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4530942 |
CMC/PEG containing hydrophilic denture adhesive
An improved denture adhesive containing sodium carboxymethylcellulose (CMC) as the sole adhesive component in a hydrophilic vehicle comprising certain polyethylene glycols (PEG) and, as an optional...
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4529777 |
Dental casting resin from acrylic monomer, acrylic resin, and vinyl chloride resin
A dental casting resin wherein the finished casting has a combined vinyl resin content of from 5 to 60% by wt. prepared by polymerizing liquid monomer, e.g. methyl methacrylate, in the presence of...
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4527979 |
Powdered dental material and process for the preparation thereof
Powdered dental material of a sintered mixture of calcium aluminum fluorosilicate glass and precious metals (or alloys thereof with each other or with up to 40% non-precious metals), which may...
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4525493 |
Highly water-resistant adhesive
An adhesive which comprises (a) 1 part by weight of a compound represented by the formula ##STR1## (where R 1 and R 1 ' denote H or a methyl group, X 1 , X 1 ', X 2 , and X 2 ' denote O, S,...
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4524824 |
Dental cement
A dental cement comprising a cement powder to which are added one or more of tannic acid derivatives consisting of the group of a tannic acid-protein combination, a tannic acid-formaldehyde...
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4522956 |
Poly(ethylene oxide)/polyethylene glycol-containing hydrophilic denture adhesive
An improved denture adhesive containing poly(ethylene oxide) as the sole adhesive component in a hydrophilic vehicle comprising certain polyethylene glycols (PEG) and, as an optional component in...
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4521550 |
Method for obtaining strong adhesive bonding of composites to dentin, enamel and other substrates
Materials and methods for improving the adhesion of composite materials and resins to dentin, enamel and other substrates are disclosed. Preferably, the substrate surface is treated with an aqueous...
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4518430 |
Dental resptorative cement pastes
Compositions that are useful and unique as dental remineralizers and dental cements, as well as methods for their use, are disclosed. The compositions are mixtures of at least two sparingly soluble...
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4518721 |
Hydrophilic denture adhesive
An improved denture adhesive containing an adhesive polymeric fraction comprising sodium carboxymethylcellulose and poly(ethylene oxide) in a hydrophilic vehicle comprising certain polyethylene...
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4515910 |
Interpolymeric resin for treatment of teeth
An interpolymeric resin and composition therefrom for treating teeth to prevent dental caries by forming a protective barrier and providing a source of fluoride ions for release adjacent the...
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4515634 |
Castable glass-ceramic composition useful as dental restorative
A glass ceramic, useful in making dental crowns and bridges, consisting essentially of: TBL ______________________________________ Broad Range, Preferred Component Mole Percent Mole % ...
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4515913 |
Dental impression composition
Powdered alginate compositions formulated with a polymer comprising polyacrylamide have enhanced smoothness characteristics upon admixing with water to obtain orally settable, dental impression...
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4512743 |
Method for masking discoloration on teeth
A polymerizable composition comprising liquid polymerizable acrylic monomer, a polymerization initiator for the monomer, sub-micron silica, and pigments, is employed as a dental veneer to mask...
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4503169 |
Radiopaque, low visual opacity dental composites containing non-vitreous microparticles
Radiopaque, low visual opacity dental composites and non-vitreous microparticles for use therein, the microparticles individually containing amorphous silica microregions interspersed with...
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4503157 |
Sintered apatite bodies and composites thereof
There are provided a novel sintered apatite body and a novel sintered apatite-mineral fiber material composite. The crystals of the sintered apatite have fine dense crystalline structures...
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4496322 |
Benzoin antimicrobial dental varnishes
A composition for treating dental infections, e.g. dental caries caused by Strep. mutans, comprises a varnish containing an antimicrobial agent such as chlorhexidine acetate and benzoin gum in an...
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4490115 |
Dental material comprising adducts of 3-methacroyl-2-hydroxypropyl esters with diisocyanates
Dental materials containing dimethacrylates having the following chemical structures: ##STR1## where R 1 and R 2 may be the same or different and are cyclohexyl or phenyl groups which may be...
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4486179 |
Biocompatible cementitious dental compositions
Dental cements with syringate esters such as 2-ethylhexyl syringate with or without vanillate esters dissolved in o-ethoxybenzoic acid as ingredients of the liquid when mixed with metal oxide...
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4483679 |
Compounded thermoplasticized isoprene polymer resin for filling a dental root canal, and method of making same
The invention is directed to a compounded thermoplasticized gutta percha or balata and isoprene polymer resin, for filling a dental root canal in an efficient and convenient manner, and a method...
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4481036 |
Glaze for use on non-metallic dental copings
A stable glaze for use on ceramic dental copings has the following composition: TBL Component Proportion, % ______________________________________ SiO 2 71-74 Al 2 O 3 10-12 K 2 O...
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4475892 |
Microcellular ceramic material and process for manufacture thereof
Microcellular ceramic material comprises a plurality of elongated vitreous micro sized ceramic rods which are placed in side-by-side touching relation and define elongated lines of contact...
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4474902 |
Karaya gum adhesive in a hydrophilic denture vehicle
An improved denture adhesive containing a karaya gum adhesive component in a hydrophilic vehicle comprising certain polyethylene glycols and, as an optional component in certain forms of the...
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4470814 |
Method of adhering dentures
A method for adhering dentures to oral mucosa with a denture fixative composition containing as the active fixative a partially neutralized and crosslinked polyacrylic acid or a precursor...
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4468251 |
Gold containing preparation for coating metallic parts (II)
There are applied gold containing preparations as intermediate layers for facing fired on alloys with ceramic compositions in the dental art. These gold preparations should improve the...
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4468484 |
Settable alignate compositions containing polyacrylamide
An oral, settable, dental composition is prepared by interacting Component A containing an alkali metal alginate in an aqueous paste with Component B containing a divalent metal salt such as...
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4465517 |
Denture adhesive composition
Disclosed are improved denture adhesive compositions comprising a hydroxypropyl guar having a M.S. of greater than 0.4, or a hydroxypropyl guar having a M.S. of 0.4 or less and an alkali metal salt...
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4455383 |
Single-frit glass ceramic
There is disclosed a single-frit porcelain powder, suitable for use as a porcelain layer on metal-base dental restorations, and having a fired coefficient of thermal expansion within the range of...
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4452622 |
Method of making highly reactive ion-leachable glass
A method is provided for producing a highly reactive, ion-leachable glass for cement compositions. The method contemplates blending together a mixture of ion-leachable, inorganic compositions,...
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4451235 |
Process for preparing an artificial dental root
An artificial dental root comprised of a particulate or powdered form of synthetic hydroxyapatite or calcined or sintered synthetic hydroxyapatite or a mixture thereof and an organic matrix, the...
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4449938 |
Endodontic filling and sealing composition
A biologically compatible non-toxic composition which when mixed, is useful as an in situ curing endodonic filling material. The composition has two separately packaged components. One component is...
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4443197 |
Varnish for protecting a tooth surface
A varnish for the formation of a coating layer on a tooth surface to protect healthy tooth surface against the erosion by an acid etching solution during tooth restoration which comprises a polymer...
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4435160 |
Method and manufacture for applying and removal of orthodontic bracket
A method and manufacture for orthodontic bracket application and removal, employing an orthodontic bracket adhesive containing a non-toxic, inorganic filler which is insoluble in mouth fluids and...
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