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Searching: dentistry





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Patent # Description
US-4,233,025 Hollow cotton roll
An elongate, generally cylindrical, hollow cotton roll for use with metal or plastic aspirators or suction tubes for keeping an area dry in medicine and...
US-4,230,454 Tooth extractor
A dentistry kit for tooth extraction consisting of a vise-type grip member having a joint member engaged by a forked end of a lever whose convexly curved fulcrum...
US-4,229,166 Paralleling tool or gauge for general dentistry
There is shown a simple paralleling tool or gauge which provides means for the dentist to examine and compare a spacing or arrangement of a patient's teeth with...
US-4,219,329 Dental cast relator
The present invention relates to a device for use in dentistry as an aid to the production of very accurate dental restorations such as inlays, crowns, bridges...
US-D255,714 Amalgam well used in dentistry
US-4,205,982 Noble metal alloy for dentistry and dental restoration using same
A noble metal alloy having a solidus temperature above 1100.degree. C., a Vickers hardness of at least 150 and a coefficient of thermal expansion at 600.degree....
US-4,195,918 Illuminating spectacles with variable magnifying power
The invention relates to illuminating spectacles with variable magnifying power, essentially comprising, in combination, a frame 1, provided with removable...
US-4,190,958 Endodontic drill-file
This invention is an improvement in endodontic drills used by dentists specializing in root canal dentistry. Present endodontic practice in the preparation,...
US-4,182,829 Impression materials for dentistry
The invention provides impression materials for use in dentistry comprising the reaction product of (a) a diisocyanate or triisocyanate, (b) a dihydroxy compound...
US-4,181,859 Reticle device applicable to flexible radiographic films
In order to superimpose a millimetric measurement reticle on an exposure of a flexible radiographic film of the kind used in dentistry this invention provides a...
US-4,177,565 Proximal box jig
A jig for the cutting of proximal boxes or outline forms in dentistry employs a guide table and paralleling arm. The guide table is located over the teeth by the...
US-4,174,570 Magnetic pin setter useful in dentistry
A magnetic pin setter useful in constructing replicas of teeth for production of crowns and bridges. The device employs two support rods mounted on a base, each...
US-4,174,334 Surgical cement compositions containing alumino borate glass and a polymer glass and a polymer containing...
Alumino-borate glasses containing a ternary oxide an alkaline earth or alkali metal oxide are used in powdered form with an organic polycarboxylic acid...
US-4,166,744 Adhesive cements especially adapted to surgical use
Zinc oxide and weak unpolymerized and polymerized acids when mixed in the presence of water form adhesives that quickly set to firm, hard cements that are...
US-4,149,086 UV irradiation device
The specification describes an irradiation device, more particularly for use for causing the polymerization of fillings of resins in dentistry, using radiation...
US-4,127,939 J-Shaped pin for making dental prosthesis with means for debris escape
In the making of fixed dental prosthesis, a model is employed, which is an accurate replica of the patient's teeth and gums. For reinforcement, the model is...
US-4,101,957 Zoom operating light
An illuminating lamp for use in dentistry or medical clinic which provides for varying both the intensity of light output and the size of the illuminated area...
US-4,094,671 Gold color copper alloy for restorative dentistry
A copper alloy having a gold color and being particularly suitable for restorative dentistry and consisting essentially of copper, zinc and a small amount of...
US-4,086,701 Device for implanting an artificial endosseous element of ceramics and an implant method for use of the same
This invention is directed to a device for implanting an artificial endosseous element of ceramics in the field of dentistry, oral surgery and orthopedics,...
US-4,067,109 Dummy head for use in teaching dentistry
A dummy head has a skull or crown, and a jaw portion having upper and lower jaws. Each jaw has a denture, and the jaws are arranged to define a cavity simulating...
US-4,060,600 Treating teeth
A method of treating teeth in dentistry, for the prevention of calculus, removal of caries, and dissolving of plaque, comprises bringing into contact with the...
US-4,058,896 Dental aspirator tip
An aspirator system for dentistry in which a hollow handle or holder has removable collector ends for insertion into a patient's mouth, which ends are sometimes...
US-4,056,496 Hydrogels and articles made therefrom
This invention relates to polymers and hydrogels of polymers formed from a hydrophilic monomer of the group of dihydroxyalkyl acrylates and methacrylates, a...
US-4,054,995 Pin with sleeve for making dental prosthesis
In the making of fixed dental prosthesis, a model is employed, which is an accurate replica of the patient's teeth and gums. For reinforcement, the model is...
US-4,035,917 Reinforcing dental pin cutter and retainer
An instrument, especially useful in the field of dentistry by virtue of its shape, size, and construction, adapted for example for severing ends from threaded...
US-4,028,325 Composite dental material and method of preparing same
A composite material and method of preparing same for use in prosthetic dentistry. The composition includes silica glass containing between about 8.0-30% on a...
US-4,024,211 Casting technique for prosthetic dentistry
A female attachment for a dental prosthetic device is made by embedding the precision male part of a precision core into a wax-up, leaving the anchor part...
US-4,021,920 Drilling or milling apparatus for the working of live bone, particularly for dentistry
Cooling means for bone or tooth cutting tool. In order to cool the cutting surfaces of a bone or tooth cutting tool, there is provided in the supporting shank of...
US-4,016,651 Device for implanting an artificial endosseous element of ceramics and an implant method for use of the device
This invention is directed to a device for implanting an artificial endosseous element of ceramics in the fields of dentistry, oral surgery and orthopedics,...
US-4,014,097 Method and apparatus for measuring and recording three-dimensional condylermovements of the mandible
A dentistry aid is comprised by a recording system which is concerned with occlusion and related movements of the condyles in the tempero mandibular joints of a...
US-4,012,842 Dental treatment method and apparatus
In a method for removal of dental plaque and caries in dentistry, there is applied to the teeth a high velocity pulsating jet stream of liquid possibly subjected...
US-3,979,828 Dental prosthetic device and prosthetic dentistry method
An improved prosthetic dentistry method and an improved dental prosthetic device wherein the prosthetic device includes an implant disposable in a fresh...
US-3,972,120 Dental instrument tray device
In a preferred embodiment, a base structure affording upright support for a substantially horizontally mounted tray providing for movement of the tray slidably...
US-3,966,925 Lubricant for fitting and trial mounting of prosthodontic appliances
This invention provides a lubricating compound for the fitting of crowns, bridges and other prosthodontic restorations as used in prosthodontic dentistry. This...
US-3,957,362 Hydrogels and articles made therefrom
This invention relates to copolymers and hydrogels formed by copolymerization of a hydrophilic monomer from the group of dihydroxyalkyl acrylates and...
US-3,955,719 Conically walled syringe providing a progressively tighter piston fit
A syringe, such as used in dentistry to inject dental products, e.g. injection masses as so-called composites, cements, medicated pastes and the like into...
US-3,952,415 J-shaped pin for making dental prothesis
In the making of fixed dental prothesis, a model is employed, which is an accurate replica of the patient's teeth and gums. For reinforcement, the model is fixed...
US-3,940,362 Cross-linked cyanoacrylate adhesive compositions
New polymerizable adhesive compositions comprising a monomeric ester of .alpha.-cyanoacrylic acid and a difunctional monomeric cross-linking agent which is a...
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