U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6266829

Combination Beverage Container and Spittoon

A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 433/40 - Single tooth


Subclass of Class 433 - Dentistry
Definition: Apparatus wherein the static structure forms a mold in conjunction
No. of patents: 39
Last issue date: 12/25/2007


NumberTitleIssue Date
7311521Interproximal cavitation detection device and method
The present invention is direct to a device and method for diagnosis of enamel cavitation of an interproximal dental surface. And in particular, the invention is directed to a device and method for diagnosing enamel cavitation of an interproximal tooth surface that ...
12/25/2007
7241143Preloaded dental dam and method for gingival tissue retraction
A method and a device for effecting the cordless retraction of the gingival sulcus tissue that includes a dam shaped to be fitted onto a tooth. The dam having a peripheral wall defining a well. The peripheral wall may be either pervious or impervious to light rays a...
07/10/2007
7172424Method of mounting removable restoration tooth by using a standardized set of inner crown units, outer crown units, and device units for conforming abutment
A method is designed to mount a removable restoration tooth on a natural tooth to be restored. The method involves the use of the standardized plastic inner crowns corresponding to the permanent teeth of a human, the standardized metal outer crowns corresponding to ...
02/06/2007
7094057Dental light curing member and method
The elastomeric member of the present invention is a flexible light guide and curing aid, which permits pressure to be applied to a photo curable material during the clinical restoration of a tooth while simultaneously curing the material by exposing the photo curab...
08/22/2006
7033173Gingival retraction device and method
A device for retracting gingival tissue away from a tooth comprising a preformed integral closed loop of material sized and dimensioned to be packed into a sulcus associated with the tooth, the closed loop having an inner surface suitable for placement against the a...
04/25/2006
6994548Gingival tissue retractor
A dental tool for retracting gingival tissue is provided that includes a shaft and a working end member, the working end member having an operative end including a first portion sufficiently narrow to retract tissue from a groove of a tooth and a second portion, adj...
02/07/2006
6648646Method for manufacturing metallic dental crown and mold material for forming dental crown occlusal portion used for the method
A method for manufacturing a metallic dental crown comprising making a model base out of a base formed on a tooth root in an oral cavity; capping only a top portion of the model base with a mold material for forming a dental crown occlusal portion which i...
11/18/2003
6509026Osteopontin coated surfaces and methods of use
A novel osteopontin containing implant which increases the rate of osseointegration and the percentage of bone apposition is described. The implant of the invention includes a material suitable for use in vivo within a subject in combination with a releas...
01/21/2003
6426373Photopolymerizable one-component dental material
Among other things, a photopolymerizing one-component dental material is prepared, containing: 1) 80-10 weight-% of at least one polyfunctional urethane methacrylate and/or at least one polyfunctional urethane acrylate, 2) 10-30 weight-% of at least one polyfu...
07/30/2002
6325625Dental separator and matrix stabilizing device
A dental separator and matrix stabilizing device (40) for applying pressure against adjacent teeth (68, 70) to temporarily force the teeth apart from one another for dental and orthodontic procedures. The device (40) includes a spring yoke (42), opposing ...
12/04/2001
6257885Method and an instrument for filling an occlusal surface of a molar or premolar
There is provided an instrument which carries a tool (52) that is transparent to light used to harden or cure a composite material. A matrix band (30) is placed around a molar or premolar and the composite material is placed on the tooth inwardly of the m...
07/10/2001
5890896Device for the application of an impression material to the occlusal surface of teeth
A single tooth handheld dental impression duplicating device and a method of using the device are disclosed. The device is designed to reproduce the occlusal surface anatomy of a particular tooth by making an impression, and after the setting of such mate...
04/06/1999
5807101Universal occlusal matrix
A universal occlusal matrix for application to the occlusal surface of a tooth having a central groove forming a V-shape in cross-section, the universal occlusal matrix being transparent to ultraviolet rays and to rays of the visible spectrum to permit ra...
09/15/1998
5718578Dental impression tray
A new Dental Impression Tray for making a dental impression of a lingual surface or a buccal surface of a tooth. The inventive device includes a tray portion and a handle portion extending from the tray portion, wherein the tray portion is perpendicularly...
02/17/1998
5709548Dental crown liner composition and methods of preparing provisional applications
Thermoplastic compositions are used for the fabrication of provisional (i.e., temporary) prosthetic devices, especially for the fabrication of crowns and bridges, and as liners for crowns. Preferably, the thermoplastic compositions comprise free-radically...
01/20/1998
5385469Method for forming a coronal replacement for a tooth and product for casting the crown
The invention provides a tubular dental mold form with at least one scalloped end and a method, utilizing the form, for forming a universal crown in situ on a tooth stump. In a preferred form, scalloped edges, of different depths, are formed at both ends ...
01/31/1995
5332390Shell tooth form
A crown and/or a replacement tooth and a method of in situ production thereof by grinding and shaping a tooth to form a prepared tooth; filling a transparent shell tooth form with a light setting resin; disposing the filled shell tooth form onto the prepa...
07/26/1994
5195889Device for the reconstruction of an angular zone of a tooth
A dental device includes an angular matrix (1), with a shape reproducing the shape of the zone of a tooth (3) on which an operation is performed. The matrix (1) is made of synthetic material transparent to light radiations used for photopolymerization of ...
03/23/1993
5192207Composite resin crown, replacement tooth and method
A crown and/or a replacement tooth and a method of in situ production thereof by grinding and shaping a tooth to form a prepared tooth; filling a transparent shell tooth form with a light setting resin; disposing the filled shell tooth form onto the prepa...
03/09/1993
4961706Method for obtaining a band technique dental impression
The invention relates to a method of preparing a dental impression using an improved band technique. The method comprises placing an actinic light transparent band containing light polymerizable impression material over a tooth or a tooth preparation, and...
10/09/1990
4854867Dental tool for facilitating gingival retraction
A dental tool for facilitating gingival retraction. A shank coupled to a handle terminates in a working end member having a curved edge shaped to generally conform to the curvature of the root surface of a tooth at the gingival level and also to the contour of...
08/08/1989
4824365Dental matrix in a flexible strip with tightener connected to it
The matrix consisting of a thin flexible strip of plastic comprises a loop 1 to be placed around the tooth to give the desired shape to the filling material. It is permanently connected to an annular tightener (2) made of material permanently deformable b...
04/25/1989
4778386Ring for the construction of dental crowns and method of restoration
Ring for the construction of temporary or permanent dental crowns. The ring is constituted by two molded half-shells (1, 2) which carry coupling elements (3, 4; 5, 6) rigidly fastened together in pairs by bonding, welding or any other method of rigid attachmen...
10/18/1988
4778385Method and apparatus for composite restoration using a composite matrix
The invention disclosed herein relates to a composite matrix for use in the composite restoration of a posterior tooth whose proximal surface has been partially removed due to decay. The composite matrix of the present invention is intended for permanent ...
10/18/1988
4775319Dental core form and method of use
A dental core form including a sleeve-like member to fit on a portion of a tooth on which a core for a crown is to be formed. The form is corrugated longitudinally and made of synthetic plastic material. Stippling or roughening of the lower part on the ou...
10/04/1988
4726768Plaster dam for mounting dental casts
A strip of stiff paper is wrapped around the edge of a dental cast mounting plate of a dental articulator toserve as a dam for confining moist plaster used for mounting a dental cast to the plate. After the plaster has hardened, the strip may be readily r...
02/23/1988
4704087Retainerless matrix band
A retainerless dental matrix band which is preformed or contoured and which can be readily retained in place without a retaining tool. The matrix band comprises a curvilinear base portion having a connected upwardly and outwardly curved portion adapted to...
11/03/1987
4695254Tooth replacement
A tooth replacement is formed by reconstructing a defective tooth in place in the mouth; extracting the reconstructed tooth; forming a die to shape an artificial tooth using the extracted tooth as a model; making a mold from the die; filling the mold with...
09/22/1987
4618325Custom dental shade guide tab
A hollow transparent mold is provided for the custom formation of a dental shade guide. The mold is provided with an opening into which the dentist inserts raw filling material selected from the material he intends using on the patient. The mold is provid...
10/21/1986
4500288Angular mold for dental use
The mold in question includes a cap (1) of transparent material strengthened by a single or multiple reinforcement (2, 2', 3) of wire or metal strip incorporated in the plastic of the cap. The cap (1) or reinforcement ends above in a stem (1') which makes...
02/19/1985
4483675Production of tubes for dental impressions
Method and means for obtaining a dental impression of a reduced tooth for jacket crown, bridgework and like constructions, comprising the use of an impression tube which is substantially inflexible at least longitudinally and which is attached to a syring...
11/20/1984
4449928Universal cervical matrix for dental use
The cervical matrix in question is universal as each exemplar is suitable to be applied to a considerable number of teeth of different shape, therefore few ranges of matrices of different curvature (for incisor, canine and molar teeth of adults and childr...
05/22/1984
4424034Arrangement for, method of, and device for use in taking dental impressions and in restoring teeth
A ring-like adjustment member having a plurality of adjustable elements is mounted in a tooth-encircling relationship with a prepared tooth having a finish line. Each element is adjustably movable so that its leading edges may be moved toward an attachmen...
01/03/1984
4362508Method and an apparatus for the production of a core for a root-filled prepared tooth
For the production of a core for a root-filled prepared tooth the root canal (11) of the prepared tooth (10) is filled with an impression material (27) which is injected at the bottom of the root canal to successively fill the root canal from the bottom t...
12/07/1982
4305707Matrix device for making fillings
A device for making filling in posterior teeth has an elastic band member with two first portions and two second portions, and a wedge-shaped member insertable into the interior of the band member between the latter and a tooth so as to tighten the band m...
12/15/1981
4303389Instrument for the clinical application of fillings for dental cavities
An instrument for the clinical application of fillings for dental cavities comprises a matrix retainer and a proximal central matrix provided with a detachable element for ensuring that the tooth considered is in contact with the adjacent tooth after fill...
12/01/1981
4255140Apparatus and method for dental impressions
Dental impressions are formed without retraction of the gingival tissue by injecting impression material from a syringe having a flexible tubular member positioned over the prepared tooth. The tubular member has a diameter corresponding to the size of the...
03/10/1981
4253829Dental device and method for replacing lost tooth structure
A dental device and method useful in the restoration of a tooth having extensive clinical crown loss, characterized by a multisize core form blank which may be easily and quickly sized to fit any one of a plurality of tooth sizes. The blank is in the shap...
03/03/1981
4214870Dental clamp
A dental clamp for maintaining steady pressure on a matrix strip of non-corrosive, flexible metal used to insert a Class III and/or a Class IV restoration to a tooth....
07/29/1980
 
Sign InRegister
Username  
Password   
forgot password?